#158E9D

Closest named color: Teal Blue (#01889F). oklch(59.3% 0.098 208.4), rgb(21, 142, 157).

Aa

Black text reads best on this color (5.38:1).

About this color

#158E9D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.098 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.021 away. Black text reads best on it, at 5.38:1.

Hue familyTeals and cyans
Lightnessmedium-dark (59%)
Chromamoderately saturated (0.098)
Temperaturecool
Nearest nameTeal Blue (#01889F)
Black text5.38:1
White text3.89:1

Values

HEX#158E9D
RGBrgb(21, 142, 157)
HSLhsl(187, 76%, 35%)
OKLCHoklch(59.3% 0.098 208.4)

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 #158E9D 3.89:1 AA large text Lc -71.4 Content text, not long reading
Black text on #158E9D 5.38:1 AA Lc 38.1 Non-text elements, placeholder text
#158E9D text on white 3.89:1 AA large text Lc 65.9 Content text, not long reading
#158E9D text on black 5.38:1 AA Lc -35.7 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 600.

  1. Step 50

    50

    #F1F7F7

    oklch(97.2% 0.006 197.1)

  2. Step 100

    100

    #E1ECEE

    oklch(93.5% 0.012 209.8)

  3. Step 200

    200

    #C7DEE2

    oklch(88.5% 0.025 209.3)

  4. Step 300

    300

    #A0C9D0

    oklch(80.9% 0.044 209.1)

  5. Step 400

    400

    #69ADB8

    oklch(70.7% 0.071 208.8)

  6. Step 500

    500

    #3898A6

    oklch(63% 0.09 208.7)

  7. Step 600

    600 (this color)

    #158E9D

    oklch(59.3% 0.098 208.4)

  8. Step 700

    700

    #006E7A

    oklch(49.2% 0.085 207.9)

  9. Step 800

    800

    #005A64

    oklch(42.8% 0.073 207.9)

  10. Step 900

    900

    #0F4A52

    oklch(37.7% 0.059 208.5)

  11. Step 950

    950

    #0C2B30

    oklch(26.9% 0.037 209.8)

Export this scale for Tailwind in the Tailwind colors tool

#158E9D 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)#80889E0.094
Deuteranopia (no green cones)#6F7C9D0.085
Tritanopia (no blue cones)#0095920.031
Achromatopsia (no color)#8181810.099

Harmonies

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

Complementary

The opposite hue (180°).

  • #158E9D

    #158E9D

    oklch(59.3% 0.098 208.4)

  • #B1665D

    #B1665D

    oklch(59.2% 0.098 27.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #158E9D

    #158E9D

    oklch(59.3% 0.098 208.4)

  • #26917F

    #26917F

    oklch(59.3% 0.098 178.8)

  • #3E86B2

    #3E86B2

    oklch(59.3% 0.098 238.4)

Open the analogous palette in the generator

Split complementary

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

  • #158E9D

    #158E9D

    oklch(59.3% 0.098 208.4)

  • #AD647D

    #AD647D

    oklch(59.2% 0.099 358.6)

  • #AA6F3F

    #AA6F3F

    oklch(59.4% 0.098 58.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #158E9D

    #158E9D

    oklch(59.3% 0.098 208.4)

  • #9E689B

    #9E689B

    oklch(59.2% 0.098 328.7)

  • #967B30

    #967B30

    oklch(59.4% 0.099 89.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #158E9D

    #158E9D

    oklch(59.3% 0.098 208.4)

  • #8671B1

    #8671B1

    oklch(59.4% 0.098 298.5)

  • #B1665D

    #B1665D

    oklch(59.2% 0.098 27.7)

  • #79863E

    #79863E

    oklch(59.3% 0.098 118)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #158E9D, closest first.

Similar named colors

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

Use #158E9D 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.