#57180F

Closest named color: Claret (#680018). oklch(31.1% 0.095 31), rgb(87, 24, 15).

Aa

White text reads best on this color (13.61:1).

About this color

#57180F is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.095 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.047 away. White text reads best on it, at 13.61:1.

Hue familyReds
Lightnessdark (31%)
Chromamoderately saturated (0.095)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.54:1
White text13.61:1

Values

HEX#57180F
RGBrgb(87, 24, 15)
HSLhsl(8, 71%, 20%)
OKLCHoklch(31.1% 0.095 31)

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 #57180F 13.61:1 AAA Lc -102.6 Preferred for body text
Black text on #57180F 1.54:1 Fails Lc 0.0 Not readable
#57180F text on white 13.61:1 AAA Lc 99.4 Preferred for body text
#57180F text on black 1.54:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FFE2DD

    oklch(93.5% 0.033 29.4)

  3. Step 200

    200

    #FFCBC1

    oklch(88.5% 0.061 30.9)

  4. Step 300

    300

    #FFA695

    oklch(80.9% 0.109 31.4)

  5. Step 400

    400

    #FC6D57

    oklch(70.7% 0.179 30.9)

  6. Step 500

    500

    #F5351B

    oklch(63.1% 0.229 31.1)

  7. Step 600

    600

    #D51C00

    oklch(55.7% 0.217 31)

  8. Step 700

    700

    #B41600

    oklch(49.1% 0.191 31)

  9. Step 800

    800

    #951000

    oklch(42.7% 0.167 31)

  10. Step 900

    900

    #7D0C00

    oklch(37.6% 0.146 31)

  11. Step 950

    950 (this color)

    #57180F

    oklch(31.1% 0.095 31)

Export this scale for Tailwind in the Tailwind colors tool

#57180F 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)#2A250E0.099
Deuteranopia (no green cones)#3A330D0.090
Tritanopia (no blue cones)#6006160.032
Achromatopsia (no color)#2E2E2E0.095

Harmonies

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

Complementary

The opposite hue (180°).

  • #57180F

    #57180F

    oklch(31.1% 0.095 31)

  • #003840

    #003840

    oklch(31.2% 0.054 210.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #57180F

    #57180F

    oklch(31.1% 0.095 31)

  • #54162E

    #54162E

    oklch(31.1% 0.094 0.5)

  • #4A2600

    #4A2600

    oklch(31% 0.072 60.6)

Open the analogous palette in the generator

Split complementary

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

  • #57180F

    #57180F

    oklch(31.1% 0.095 31)

  • #003A32

    #003A32

    oklch(31.2% 0.057 180.2)

  • #003452

    #003452

    oklch(31.1% 0.073 241.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #57180F

    #57180F

    oklch(31.1% 0.095 31)

  • #003C19

    #003C19

    oklch(31.2% 0.084 151.2)

  • #202B60

    #202B60

    oklch(31.2% 0.095 271.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #57180F

    #57180F

    oklch(31.1% 0.095 31)

  • #2B3600

    #2B3600

    oklch(31.1% 0.075 121.4)

  • #003840

    #003840

    oklch(31.2% 0.054 210.2)

  • #392258

    #392258

    oklch(31.1% 0.094 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #57180F, closest first.

Similar named colors

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

Use #57180F 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.