#731F38

Closest named color: Bordeaux (#7B002C). oklch(38.1% 0.118 6.8), rgb(115, 31, 56).

Aa

White text reads best on this color (10.59:1).

About this color

#731F38 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.118 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Bordeaux (#7B002C), ΔE 0.033 away. White text reads best on it, at 10.59:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameBordeaux (#7B002C)
Black text1.98:1
White text10.59:1

Values

HEX#731F38
RGBrgb(115, 31, 56)
HSLhsl(342, 58%, 29%)
OKLCHoklch(38.1% 0.118 6.8)

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 #731F38 10.59:1 AAA Lc -97.7 Preferred for body text
Black text on #731F38 1.98:1 Fails Lc 10.3 Not readable
#731F38 text on white 10.59:1 AAA Lc 93.6 Preferred for body text
#731F38 text on black 1.98:1 Fails Lc -8.9 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 900.

  1. Step 50

    50

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FAE3E7

    oklch(93.6% 0.026 5.7)

  3. Step 200

    200

    #F7CCD3

    oklch(88.4% 0.049 7.1)

  4. Step 300

    300

    #F3A9B7

    oklch(80.9% 0.089 6.8)

  5. Step 400

    400

    #E97892

    oklch(70.8% 0.141 6.8)

  6. Step 500

    500

    #DE4E77

    oklch(63% 0.181 6.6)

  7. Step 600

    600

    #CA2960

    oklch(55.7% 0.197 6.8)

  8. Step 700

    700

    #AE184F

    oklch(49.1% 0.183 6.9)

  9. Step 800

    800

    #8D1941

    oklch(42.7% 0.152 6.6)

  10. Step 900

    900 (this color)

    #731F38

    oklch(38.1% 0.118 6.8)

  11. Step 950

    950

    #431320

    oklch(27% 0.075 7)

Export this scale for Tailwind in the Tailwind colors tool

#731F38 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)#3234390.133
Deuteranopia (no green cones)#4945360.120
Tritanopia (no blue cones)#7E10290.031
Achromatopsia (no color)#3F3F3F0.119

Harmonies

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

Complementary

The opposite hue (180°).

  • #731F38

    #731F38

    oklch(38.1% 0.118 6.8)

  • #004E49

    #004E49

    oklch(38.2% 0.067 187.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731F38

    #731F38

    oklch(38.1% 0.118 6.8)

  • #682459

    #682459

    oklch(38.2% 0.118 337.3)

  • #74240A

    #74240A

    oklch(38.1% 0.118 36.9)

Open the analogous palette in the generator

Split complementary

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

  • #731F38

    #731F38

    oklch(38.1% 0.118 6.8)

  • #00512E

    #00512E

    oklch(38.3% 0.092 156.6)

  • #004B5A

    #004B5A

    oklch(38.1% 0.068 217)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731F38

    #731F38

    oklch(38.1% 0.118 6.8)

  • #354C00

    #354C00

    oklch(38.3% 0.099 126.8)

  • #004674

    #004674

    oklch(38.2% 0.099 246.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731F38

    #731F38

    oklch(38.1% 0.118 6.8)

  • #4F4200

    #4F4200

    oklch(38.1% 0.078 96.4)

  • #004E49

    #004E49

    oklch(38.2% 0.067 187.4)

  • #353980

    #353980

    oklch(38.2% 0.118 276.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731F38, closest first.

Similar named colors

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

Use #731F38 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.