#158EAD

Closest named color: Blue NCS (#118AB2). oklch(60% 0.106 221.3), rgb(21, 142, 173).

Aa

Black text reads best on this color (5.50:1).

About this color

#158EAD is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.106 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.016 away. Black text reads best on it, at 5.50:1.

Hue familyTeals and cyans
Lightnessmedium-dark (60%)
Chromamoderately saturated (0.106)
Temperaturecool
Nearest nameBlue NCS (#118AB2)
Black text5.50:1
White text3.81:1

Values

HEX#158EAD
RGBrgb(21, 142, 173)
HSLhsl(192, 78%, 38%)
OKLCHoklch(60% 0.106 221.3)

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 #158EAD 3.81:1 AA large text Lc -70.7 Content text, not long reading
Black text on #158EAD 5.50:1 AA Lc 38.9 Non-text elements, placeholder text
#158EAD text on white 3.81:1 AA large text Lc 65.2 Content text, not long reading
#158EAD text on black 5.50:1 AA Lc -36.5 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

    #F1F7F9

    oklch(97.2% 0.007 219.6)

  2. Step 100

    100

    #E0ECF1

    oklch(93.6% 0.015 224.5)

  3. Step 200

    200

    #C5DEE7

    oklch(88.5% 0.029 221.4)

  4. Step 300

    300

    #9CC9D9

    oklch(80.9% 0.052 221.7)

  5. Step 400

    400

    #61ADC5

    oklch(70.8% 0.083 220.6)

  6. Step 500

    500 (this color)

    #158EAD

    oklch(60% 0.106 221.3)

  7. Step 600

    600

    #00809D

    oklch(55.6% 0.102 221.1)

  8. Step 700

    700

    #006C85

    oklch(49.2% 0.09 221.2)

  9. Step 800

    800

    #00586D

    oklch(42.6% 0.078 221.3)

  10. Step 900

    900

    #00495B

    oklch(37.6% 0.069 221.4)

  11. Step 950

    950

    #072B36

    oklch(27% 0.044 222.7)

Export this scale for Tailwind in the Tailwind colors tool

#158EAD 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)#7C8AAF0.087
Deuteranopia (no green cones)#697DAD0.076
Tritanopia (no blue cones)#0098980.051
Achromatopsia (no color)#8383830.107

Harmonies

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

Complementary

The opposite hue (180°).

  • #158EAD

    #158EAD

    oklch(60% 0.106 221.3)

  • #B5694C

    #B5694C

    oklch(60% 0.106 41.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #158EAD

    #158EAD

    oklch(60% 0.106 221.3)

  • #00938F

    #00938F

    oklch(59.9% 0.103 191.4)

  • #4D84BE

    #4D84BE

    oklch(60.1% 0.107 251.2)

Open the analogous palette in the generator

Split complementary

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

  • #158EAD

    #158EAD

    oklch(60% 0.106 221.3)

  • #B66470

    #B66470

    oklch(60% 0.106 11.4)

  • #A8752F

    #A8752F

    oklch(60.2% 0.107 71.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #158EAD

    #158EAD

    oklch(60% 0.106 221.3)

  • #AB6693

    #AB6693

    oklch(60.1% 0.106 341.3)

  • #8E822C

    #8E822C

    oklch(60.1% 0.106 101.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #158EAD

    #158EAD

    oklch(60% 0.106 221.3)

  • #956DAF

    #956DAF

    oklch(60% 0.107 311.3)

  • #B5694C

    #B5694C

    oklch(60% 0.106 41.4)

  • #698D47

    #698D47

    oklch(60% 0.106 131.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #158EAD, closest first.

Similar named colors

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

Use #158EAD 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.