#009BBC

Closest named color: Blue NCS (#118AB2). oklch(63.8% 0.116 220.1), rgb(0, 155, 188).

Aa

Black text reads best on this color (6.41:1).

About this color

#009BBC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.116 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.048 away. Black text reads best on it, at 6.41:1.

Hue familyTeals and cyans
Lightnessmedium-light (64%)
Chromamoderately saturated (0.116)
Temperaturecool
Nearest nameBlue NCS (#118AB2)
Black text6.41:1
White text3.27:1

Values

HEX#009BBC
RGBrgb(0, 155, 188)
HSLhsl(191, 100%, 37%)
OKLCHoklch(63.8% 0.116 220.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #009BBC 3.27:1 AA large text Lc -64.9 Content text, not long reading
Black text on #009BBC 6.41:1 AA Lc 44.6 Non-text elements, placeholder text
#009BBC text on white 3.27:1 AA large text Lc 59.4 Large or bold text, headings
#009BBC text on black 6.41:1 AA Lc -42.3 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F0F7F9

    oklch(97.1% 0.008 216.6)

  2. Step 100

    100

    #DFEDF2

    oklch(93.7% 0.016 221.1)

  3. Step 200

    200

    #C3DFE8

    oklch(88.6% 0.032 219.1)

  4. Step 300

    300

    #98CADA

    oklch(80.9% 0.057 219.5)

  5. Step 400

    400

    #58AEC8

    oklch(70.7% 0.091 220.1)

  6. Step 500

    500 (this color)

    #009BBC

    oklch(63.8% 0.116 220.1)

  7. Step 600

    600

    #00809C

    oklch(55.5% 0.101 220.3)

  8. Step 700

    700

    #006C84

    oklch(49.2% 0.09 220.2)

  9. Step 800

    800

    #00586C

    oklch(42.6% 0.078 220.2)

  10. Step 900

    900

    #004A5B

    oklch(37.8% 0.069 219.8)

  11. Step 950

    950

    #012C37

    oklch(27.1% 0.049 219.8)

Export this scale for Tailwind in the Tailwind colors tool

#009BBC with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#8797BE0.096
Deuteranopia (no green cones)#7288BC0.084
Tritanopia (no blue cones)#00A6A60.054
Achromatopsia (no color)#8E8E8E0.117

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #009BBC

    #009BBC

    oklch(63.8% 0.116 220.1)

  • #C67153

    #C67153

    oklch(63.7% 0.116 40)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #009BBC

    #009BBC

    oklch(63.8% 0.116 220.1)

  • #00A09A

    #00A09A

    oklch(63.7% 0.11 190.1)

  • #5090CF

    #5090CF

    oklch(63.8% 0.116 249.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #009BBC

    #009BBC

    oklch(63.8% 0.116 220.1)

  • #C76C7B

    #C76C7B

    oklch(63.9% 0.116 10.4)

  • #B87E31

    #B87E31

    oklch(63.8% 0.116 70.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #009BBC

    #009BBC

    oklch(63.8% 0.116 220.1)

  • #BA6EA1

    #BA6EA1

    oklch(63.8% 0.116 340.4)

  • #9C8D2B

    #9C8D2B

    oklch(63.9% 0.116 100.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #009BBC

    #009BBC

    oklch(63.8% 0.116 220.1)

  • #A177C0

    #A177C0

    oklch(63.9% 0.115 309.9)

  • #C67153

    #C67153

    oklch(63.7% 0.116 40)

  • #74994A

    #74994A

    oklch(63.7% 0.115 129.9)

Open the square palette in the generator

Palettes and gradients that use #009BBC

These curated palettes and gradients contain exactly #009BBC. Open one to see the full color scheme around it.

Gradients

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #009BBC in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.