#15746B

Closest named color: Dark Aquamarine (#017371). oklch(50.5% 0.084 185.1), rgb(21, 116, 107).

Aa

White text reads best on this color (5.61:1).

About this color

#15746B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.084 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.012 away. White text reads best on it, at 5.61:1.

Hue familyTeals and cyans
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.084)
Temperaturecool
Nearest nameDark Aquamarine (#017371)
Black text3.74:1
White text5.61:1

Values

HEX#15746B
RGBrgb(21, 116, 107)
HSLhsl(174, 69%, 27%)
OKLCHoklch(50.5% 0.084 185.1)

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 #15746B 5.61:1 AA Lc -83.0 Fine for body text
Black text on #15746B 3.74:1 AA large text Lc 26.4 Dividers and decoration only
#15746B text on white 5.61:1 AA Lc 77.7 Fine for body text
#15746B text on black 3.74:1 AA large text Lc -24.1 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F2F7F6

    oklch(97.2% 0.005 183)

  2. Step 100

    100

    #E2ECEB

    oklch(93.5% 0.011 189.8)

  3. Step 200

    200

    #CADEDB

    oklch(88.5% 0.022 186)

  4. Step 300

    300

    #A4CAC4

    oklch(81% 0.041 184.7)

  5. Step 400

    400

    #71AEA6

    oklch(70.7% 0.064 185.4)

  6. Step 500

    500

    #469A90

    oklch(63.1% 0.083 184.9)

  7. Step 600

    600

    #1F847A

    oklch(55.6% 0.09 185)

  8. Step 700

    700 (this color)

    #15746B

    oklch(50.5% 0.084 185.1)

  9. Step 800

    800

    #125B54

    oklch(42.7% 0.069 185.3)

  10. Step 900

    900

    #194B45

    oklch(37.7% 0.054 184.3)

  11. Step 950

    950

    #102C29

    oklch(27% 0.034 186.1)

Export this scale for Tailwind in the Tailwind colors tool

#15746B 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)#6E6D6B0.089
Deuteranopia (no green cones)#61646C0.083
Tritanopia (no blue cones)#0077710.011
Achromatopsia (no color)#6868680.084

Harmonies

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

Complementary

The opposite hue (180°).

  • #15746B

    #15746B

    oklch(50.5% 0.084 185.1)

  • #8D505E

    #8D505E

    oklch(50.7% 0.083 5.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #15746B

    #15746B

    oklch(50.5% 0.084 185.1)

  • #39734F

    #39734F

    oklch(50.6% 0.084 154.7)

  • #157083

    #157083

    oklch(50.4% 0.084 216.1)

Open the analogous palette in the generator

Split complementary

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

  • #15746B

    #15746B

    oklch(50.5% 0.084 185.1)

  • #825278

    #825278

    oklch(50.6% 0.083 334.6)

  • #8E5243

    #8E5243

    oklch(50.5% 0.084 34.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #15746B

    #15746B

    oklch(50.5% 0.084 185.1)

  • #70588B

    #70588B

    oklch(50.5% 0.083 305.2)

  • #855A2D

    #855A2D

    oklch(50.5% 0.083 65.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #15746B

    #15746B

    oklch(50.5% 0.084 185.1)

  • #576094

    #576094

    oklch(50.4% 0.084 275.5)

  • #8D505E

    #8D505E

    oklch(50.7% 0.083 5.7)

  • #746426

    #746426

    oklch(50.6% 0.083 94.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15746B, closest first.

Similar named colors

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

Use #15746B 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.