#731D45

Closest named color: Merlot (#730039). oklch(38.4% 0.125 356.4), rgb(115, 29, 69).

Aa

White text reads best on this color (10.54:1).

About this color

#731D45 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.125 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.033 away. White text reads best on it, at 10.54:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.125)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.99:1
White text10.54:1

Values

HEX#731D45
RGBrgb(115, 29, 69)
HSLhsl(332, 60%, 28%)
OKLCHoklch(38.4% 0.125 356.4)

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 #731D45 10.54:1 AAA Lc -97.6 Preferred for body text
Black text on #731D45 1.99:1 Fails Lc 10.4 Not readable
#731D45 text on white 10.54:1 AAA Lc 93.5 Preferred for body text
#731D45 text on black 1.99:1 Fails Lc -9.0 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #FAE3EA

    oklch(93.6% 0.027 357.2)

  3. Step 200

    200

    #F7CCDA

    oklch(88.6% 0.052 356.7)

  4. Step 300

    300

    #F2A7C2

    oklch(80.8% 0.094 356.1)

  5. Step 400

    400

    #E875A3

    oklch(70.7% 0.15 356.4)

  6. Step 500

    500

    #DD4A8C

    oklch(63% 0.192 356.4)

  7. Step 600

    600

    #C82176

    oklch(55.5% 0.208 356.4)

  8. Step 700

    700

    #AD0E63

    oklch(49.1% 0.194 356.6)

  9. Step 800

    800

    #8C1451

    oklch(42.7% 0.16 356.4)

  10. Step 900

    900 (this color)

    #731D45

    oklch(38.4% 0.125 356.4)

  11. Step 950

    950

    #431227

    oklch(27.1% 0.079 357.3)

Export this scale for Tailwind in the Tailwind colors tool

#731D45 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)#2E35460.139
Deuteranopia (no green cones)#4545430.126
Tritanopia (no blue cones)#7D142E0.041
Achromatopsia (no color)#3F3F3F0.126

Harmonies

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

Complementary

The opposite hue (180°).

  • #731D45

    #731D45

    oklch(38.4% 0.125 356.4)

  • #004F42

    #004F42

    oklch(38.2% 0.071 176.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731D45

    #731D45

    oklch(38.4% 0.125 356.4)

  • #642566

    #642566

    oklch(38.4% 0.125 326.4)

  • #781E1C

    #781E1C

    oklch(38.3% 0.125 26.3)

Open the analogous palette in the generator

Split complementary

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

  • #731D45

    #731D45

    oklch(38.4% 0.125 356.4)

  • #005317

    #005317

    oklch(38.5% 0.117 146.3)

  • #004D55

    #004D55

    oklch(38.4% 0.066 206.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731D45

    #731D45

    oklch(38.4% 0.125 356.4)

  • #414900

    #414900

    oklch(38.5% 0.088 116.7)

  • #004969

    #004969

    oklch(38.3% 0.083 236)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731D45

    #731D45

    oklch(38.4% 0.125 356.4)

  • #564000

    #564000

    oklch(38.5% 0.079 86.5)

  • #004F42

    #004F42

    oklch(38.2% 0.071 176.8)

  • #243D85

    #243D85

    oklch(38.4% 0.125 266.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731D45, closest first.

Similar named colors

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

Use #731D45 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.