#15747D

Closest named color: Deep Aqua (#08787F). oklch(51.2% 0.082 204.9), rgb(21, 116, 125).

Aa

White text reads best on this color (5.48:1).

About this color

#15747D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.082 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.012 away. White text reads best on it, at 5.48:1.

Hue familyTeals and cyans
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.082)
Temperaturecool
Nearest nameDeep Aqua (#08787F)
Black text3.82:1
White text5.48:1

Values

HEX#15747D
RGBrgb(21, 116, 125)
HSLhsl(185, 71%, 29%)
OKLCHoklch(51.2% 0.082 204.9)

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 #15747D 5.48:1 AA Lc -82.3 Fine for body text
Black text on #15747D 3.82:1 AA large text Lc 27.1 Dividers and decoration only
#15747D text on white 5.48:1 AA Lc 77.0 Fine for body text
#15747D text on black 3.82:1 AA large text Lc -24.8 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

    #F2F6F7

    oklch(97% 0.004 214.3)

  2. Step 100

    100

    #E2ECED

    oklch(93.6% 0.011 204.1)

  3. Step 200

    200

    #C9DEE0

    oklch(88.6% 0.023 203.7)

  4. Step 300

    300

    #A4C9CD

    oklch(81% 0.04 204.5)

  5. Step 400

    400

    #70ACB3

    oklch(70.6% 0.063 205.2)

  6. Step 500

    500

    #4498A1

    oklch(63.2% 0.082 204.8)

  7. Step 600

    600

    #1B828C

    oklch(55.6% 0.089 205)

  8. Step 700

    700 (this color)

    #15747D

    oklch(51.2% 0.082 204.9)

  9. Step 800

    800

    #0F5961

    oklch(42.6% 0.068 206.2)

  10. Step 900

    900

    #184A4F

    oklch(37.8% 0.053 204.5)

  11. Step 950

    950

    #102B2E

    oklch(27% 0.033 205.1)

Export this scale for Tailwind in the Tailwind colors tool

#15747D 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)#6A6F7E0.082
Deuteranopia (no green cones)#5C657D0.074
Tritanopia (no blue cones)#0079770.021
Achromatopsia (no color)#6969690.083

Harmonies

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

Complementary

The opposite hue (180°).

  • #15747D

    #15747D

    oklch(51.2% 0.082 204.9)

  • #90534F

    #90534F

    oklch(51.2% 0.082 24.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #15747D

    #15747D

    oklch(51.2% 0.082 204.9)

  • #267664

    #267664

    oklch(51.2% 0.082 175)

  • #306E8F

    #306E8F

    oklch(51.2% 0.082 234.8)

Open the analogous palette in the generator

Split complementary

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

  • #15747D

    #15747D

    oklch(51.2% 0.082 204.9)

  • #8C5269

    #8C5269

    oklch(51.2% 0.083 355.1)

  • #8B5936

    #8B5936

    oklch(51.2% 0.083 54.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #15747D

    #15747D

    oklch(51.2% 0.082 204.9)

  • #7F5681

    #7F5681

    oklch(51.3% 0.082 325.1)

  • #7C6329

    #7C6329

    oklch(51.3% 0.082 85.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #15747D

    #15747D

    oklch(51.2% 0.082 204.9)

  • #6A5D91

    #6A5D91

    oklch(51.2% 0.082 294.8)

  • #90534F

    #90534F

    oklch(51.2% 0.082 24.3)

  • #656C31

    #656C31

    oklch(51.1% 0.082 115)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15747D, closest first.

Similar named colors

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

Use #15747D 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.