#731A3F

Closest named color: Merlot (#730039). oklch(37.9% 0.126 0.1), rgb(115, 26, 63).

Aa

White text reads best on this color (10.77:1).

About this color

#731A3F is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.126 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.027 away. White text reads best on it, at 10.77:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.126)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.94:1
White text10.77:1

Values

HEX#731A3F
RGBrgb(115, 26, 63)
HSLhsl(335, 63%, 28%)
OKLCHoklch(37.9% 0.126 0.1)

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 #731A3F 10.77:1 AAA Lc -97.9 Preferred for body text
Black text on #731A3F 1.94:1 Fails Lc 10.0 Not readable
#731A3F text on white 10.77:1 AAA Lc 93.9 Preferred for body text
#731A3F text on black 1.94:1 Fails Lc -8.6 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD7

    oklch(88.4% 0.053 0.4)

  4. Step 300

    300

    #F4A7BE

    oklch(80.9% 0.095 360)

  5. Step 400

    400

    #EA749C

    oklch(70.6% 0.151 0.2)

  6. Step 500

    500

    #E04884

    oklch(63% 0.194 0.2)

  7. Step 600

    600

    #CB1D6E

    oklch(55.5% 0.21 0)

  8. Step 700

    700

    #AF075C

    oklch(49.1% 0.196 0)

  9. Step 800

    800

    #8E104B

    oklch(42.6% 0.162 0)

  10. Step 900

    900 (this color)

    #731A3F

    oklch(37.9% 0.126 0.1)

  11. Step 950

    950

    #441125

    oklch(27.1% 0.081 360)

Export this scale for Tailwind in the Tailwind colors tool

#731A3F 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)#2E33400.141
Deuteranopia (no green cones)#46443D0.128
Tritanopia (no blue cones)#7D0B2A0.038
Achromatopsia (no color)#3E3E3E0.127

Harmonies

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

Complementary

The opposite hue (180°).

  • #731A3F

    #731A3F

    oklch(37.9% 0.126 0.1)

  • #004E43

    #004E43

    oklch(38% 0.069 179.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731A3F

    #731A3F

    oklch(37.9% 0.126 0.1)

  • #652261

    #652261

    oklch(37.9% 0.126 330.2)

  • #771C13

    #771C13

    oklch(37.8% 0.127 29.8)

Open the analogous palette in the generator

Split complementary

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

  • #731A3F

    #731A3F

    oklch(37.9% 0.126 0.1)

  • #005021

    #005021

    oklch(37.7% 0.104 150)

  • #004B55

    #004B55

    oklch(37.8% 0.065 210)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731A3F

    #731A3F

    oklch(37.9% 0.126 0.1)

  • #3C4800

    #3C4800

    oklch(37.7% 0.09 119.9)

  • #00476B

    #00476B

    oklch(37.9% 0.087 239.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731A3F

    #731A3F

    oklch(37.9% 0.126 0.1)

  • #523F00

    #523F00

    oklch(37.8% 0.077 89.3)

  • #004E43

    #004E43

    oklch(38% 0.069 179.1)

  • #293984

    #293984

    oklch(37.8% 0.127 270.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731A3F, closest first.

Similar named colors

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

Use #731A3F 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.