#731D3C

Closest named color: Merlot (#730039). oklch(38.1% 0.122 3.1), rgb(115, 29, 60).

Aa

White text reads best on this color (10.66:1).

About this color

#731D3C is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.122 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.032 away. White text reads best on it, at 10.66:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.122)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.96:1
White text10.66:1

Values

HEX#731D3C
RGBrgb(115, 29, 60)
HSLhsl(338, 60%, 28%)
OKLCHoklch(38.1% 0.122 3.1)

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 #731D3C 10.66:1 AAA Lc -97.8 Preferred for body text
Black text on #731D3C 1.96:1 Fails Lc 10.2 Not readable
#731D3C text on white 10.66:1 AAA Lc 93.7 Preferred for body text
#731D3C text on black 1.96:1 Fails Lc -8.8 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

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F7CCD6

    oklch(88.5% 0.05 2.5)

  4. Step 300

    300

    #F3A8BB

    oklch(80.9% 0.091 2.7)

  5. Step 400

    400

    #E97697

    oklch(70.6% 0.145 3.3)

  6. Step 500

    500

    #DF4C7E

    oklch(63.1% 0.186 3.3)

  7. Step 600

    600

    #CA2467

    oklch(55.5% 0.203 3.3)

  8. Step 700

    700

    #AE1256

    oklch(49% 0.188 3.1)

  9. Step 800

    800

    #8E1646

    oklch(42.8% 0.156 3.5)

  10. Step 900

    900 (this color)

    #731D3C

    oklch(38.1% 0.122 3.1)

  11. Step 950

    950

    #431223

    oklch(27% 0.077 2.4)

Export this scale for Tailwind in the Tailwind colors tool

#731D3C 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)#30343D0.137
Deuteranopia (no green cones)#47443A0.123
Tritanopia (no blue cones)#7D0F2A0.033
Achromatopsia (no color)#3E3E3E0.123

Harmonies

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

Complementary

The opposite hue (180°).

  • #731D3C

    #731D3C

    oklch(38.1% 0.122 3.1)

  • #004E46

    #004E46

    oklch(38.1% 0.068 183.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731D3C

    #731D3C

    oklch(38.1% 0.122 3.1)

  • #66235D

    #66235D

    oklch(38% 0.122 333.3)

  • #762110

    #762110

    oklch(38.2% 0.122 33.2)

Open the analogous palette in the generator

Split complementary

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

  • #731D3C

    #731D3C

    oklch(38.1% 0.122 3.1)

  • #005128

    #005128

    oklch(38.1% 0.098 153.1)

  • #004B58

    #004B58

    oklch(38% 0.067 214.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731D3C

    #731D3C

    oklch(38.1% 0.122 3.1)

  • #394A00

    #394A00

    oklch(38.1% 0.094 123.3)

  • #00466F

    #00466F

    oklch(37.9% 0.092 243.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731D3C

    #731D3C

    oklch(38.1% 0.122 3.1)

  • #514100

    #514100

    oklch(38.1% 0.078 93)

  • #004E46

    #004E46

    oklch(38.1% 0.068 183.2)

  • #2F3982

    #2F3982

    oklch(38% 0.122 273.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731D3C, closest first.

Similar named colors

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

Use #731D3C 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.