#731A40

Closest named color: Merlot (#730039). oklch(37.9% 0.127 359.4), rgb(115, 26, 64).

Aa

White text reads best on this color (10.76:1).

About this color

#731A40 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.127 and its hue 359°. 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 10.76:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.95:1
White text10.76:1

Values

HEX#731A40
RGBrgb(115, 26, 64)
HSLhsl(334, 63%, 28%)
OKLCHoklch(37.9% 0.127 359.4)

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 #731A40 10.76:1 AAA Lc -97.9 Preferred for body text
Black text on #731A40 1.95:1 Fails Lc 10.0 Not readable
#731A40 text on white 10.76:1 AAA Lc 93.9 Preferred for body text
#731A40 text on black 1.95:1 Fails Lc -8.7 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

    #F8CBD8

    oklch(88.5% 0.053 359)

  4. Step 300

    300

    #F4A7BF

    oklch(80.9% 0.095 359.2)

  5. Step 400

    400

    #EA749E

    oklch(70.7% 0.152 359.2)

  6. Step 500

    500

    #E04886

    oklch(63.1% 0.194 359.3)

  7. Step 600

    600

    #CB1D70

    oklch(55.6% 0.211 359.2)

  8. Step 700

    700

    #AF065D

    oklch(49.1% 0.196 359.5)

  9. Step 800

    800

    #8E104C

    oklch(42.6% 0.162 359.5)

  10. Step 900

    900 (this color)

    #731A40

    oklch(37.9% 0.127 359.4)

  11. Step 950

    950

    #431125

    oklch(26.9% 0.08 359.3)

Export this scale for Tailwind in the Tailwind colors tool

#731A40 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)#2D33410.143
Deuteranopia (no green cones)#45443E0.129
Tritanopia (no blue cones)#7D0C2A0.039
Achromatopsia (no color)#3E3E3E0.128

Harmonies

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

Complementary

The opposite hue (180°).

  • #731A40

    #731A40

    oklch(37.9% 0.127 359.4)

  • #004E43

    #004E43

    oklch(38% 0.069 179.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731A40

    #731A40

    oklch(37.9% 0.127 359.4)

  • #652262

    #652262

    oklch(38% 0.127 329.6)

  • #771C14

    #771C14

    oklch(37.8% 0.127 29.4)

Open the analogous palette in the generator

Split complementary

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

  • #731A40

    #731A40

    oklch(37.9% 0.127 359.4)

  • #005120

    #005120

    oklch(38% 0.106 149.4)

  • #004B55

    #004B55

    oklch(37.8% 0.065 210)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731A40

    #731A40

    oklch(37.9% 0.127 359.4)

  • #3D4800

    #3D4800

    oklch(37.8% 0.089 119.1)

  • #00476A

    #00476A

    oklch(37.9% 0.085 239)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731A40

    #731A40

    oklch(37.9% 0.127 359.4)

  • #523F00

    #523F00

    oklch(37.8% 0.077 89.3)

  • #004E43

    #004E43

    oklch(38% 0.069 179.1)

  • #283A84

    #283A84

    oklch(37.9% 0.126 269.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731A40, closest first.

Similar named colors

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

Use #731A40 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.