#731C0E

Closest named color: Reddy Brown (#6E1005). oklch(37% 0.123 31.9), rgb(115, 28, 14).

Aa

White text reads best on this color (11.04:1).

About this color

#731C0E is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.023 away. White text reads best on it, at 11.04:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.123)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.90:1
White text11.04:1

Values

HEX#731C0E
RGBrgb(115, 28, 14)
HSLhsl(8, 78%, 25%)
OKLCHoklch(37% 0.123 31.9)

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 #731C0E 11.04:1 AAA Lc -98.4 Preferred for body text
Black text on #731C0E 1.90:1 Fails Lc 9.5 Not readable
#731C0E text on white 11.04:1 AAA Lc 94.4 Preferred for body text
#731C0E text on black 1.90:1 Fails Lc -8.2 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

    #FEF3F0

    oklch(97.2% 0.013 35.7)

  2. Step 100

    100

    #FBE4DF

    oklch(93.6% 0.026 32.2)

  3. Step 200

    200

    #F9CDC4

    oklch(88.4% 0.052 31.6)

  4. Step 300

    300

    #F6AB9B

    oklch(80.9% 0.092 32.5)

  5. Step 400

    400

    #EE7A64

    oklch(70.7% 0.148 32.1)

  6. Step 500

    500

    #E55037

    oklch(63.1% 0.189 32)

  7. Step 600

    600

    #D0290B

    oklch(55.6% 0.205 31.9)

  8. Step 700

    700

    #B21C00

    oklch(49.1% 0.187 31.9)

  9. Step 800

    800

    #921904

    oklch(42.7% 0.158 31.9)

  10. Step 900

    900 (this color)

    #731C0E

    oklch(37% 0.123 31.9)

  11. Step 950

    950

    #45140B

    oklch(27% 0.078 32.5)

Export this scale for Tailwind in the Tailwind colors tool

#731C0E 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)#36300B0.131
Deuteranopia (no green cones)#4C43090.118
Tritanopia (no blue cones)#7F001A0.039
Achromatopsia (no color)#3C3C3C0.124

Harmonies

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

Complementary

The opposite hue (180°).

  • #731C0E

    #731C0E

    oklch(37% 0.123 31.9)

  • #004853

    #004853

    oklch(36.9% 0.064 212)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731C0E

    #731C0E

    oklch(37% 0.123 31.9)

  • #70193B

    #70193B

    oklch(37.1% 0.123 1.8)

  • #5F3300

    #5F3300

    oklch(36.9% 0.086 61.3)

Open the analogous palette in the generator

Split complementary

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

  • #731C0E

    #731C0E

    oklch(37% 0.123 31.9)

  • #004B42

    #004B42

    oklch(37% 0.067 181.4)

  • #00446A

    #00446A

    oklch(37.1% 0.088 242.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731C0E

    #731C0E

    oklch(37% 0.123 31.9)

  • #004E24

    #004E24

    oklch(37.1% 0.098 151.9)

  • #2B3780

    #2B3780

    oklch(37.1% 0.123 272)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731C0E

    #731C0E

    oklch(37% 0.123 31.9)

  • #384700

    #384700

    oklch(37.1% 0.09 122.3)

  • #004853

    #004853

    oklch(36.9% 0.064 212)

  • #4D2A75

    #4D2A75

    oklch(37% 0.124 302.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731C0E, closest first.

Similar named colors

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

Use #731C0E 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.