#731538

Closest named color: Merlot (#730039). oklch(37.2% 0.13 4.1), rgb(115, 21, 56).

Aa

White text reads best on this color (11.09:1).

About this color

#731538 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.130 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.022 away. White text reads best on it, at 11.09:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.130)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.89:1
White text11.09:1

Values

HEX#731538
RGBrgb(115, 21, 56)
HSLhsl(338, 69%, 27%)
OKLCHoklch(37.2% 0.13 4.1)

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 #731538 11.09:1 AAA Lc -98.4 Preferred for body text
Black text on #731538 1.89:1 Fails Lc 9.5 Not readable
#731538 text on white 11.09:1 AAA Lc 94.4 Preferred for body text
#731538 text on black 1.89:1 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

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FBE3E7

    oklch(93.6% 0.027 6.2)

  3. Step 200

    200

    #F9CBD5

    oklch(88.5% 0.053 3.6)

  4. Step 300

    300

    #F6A6B9

    oklch(80.8% 0.097 3.9)

  5. Step 400

    400

    #EE7295

    oklch(70.7% 0.156 4.1)

  6. Step 500

    500

    #E4457B

    oklch(63.1% 0.198 4.2)

  7. Step 600

    600

    #CF1364

    oklch(55.5% 0.216 4.2)

  8. Step 700

    700

    #B20053

    oklch(49.1% 0.198 4.4)

  9. Step 800

    800

    #910944

    oklch(42.7% 0.166 4.2)

  10. Step 900

    900 (this color)

    #731538

    oklch(37.2% 0.13 4.1)

  11. Step 950

    950

    #451022

    oklch(27% 0.082 3.8)

Export this scale for Tailwind in the Tailwind colors tool

#731538 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)#2D30390.145
Deuteranopia (no green cones)#4642360.130
Tritanopia (no blue cones)#7E00240.037
Achromatopsia (no color)#3C3C3C0.130

Harmonies

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

Complementary

The opposite hue (180°).

  • #731538

    #731538

    oklch(37.2% 0.13 4.1)

  • #004B44

    #004B44

    oklch(37.1% 0.066 184.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #731538

    #731538

    oklch(37.2% 0.13 4.1)

  • #661D5C

    #661D5C

    oklch(37.2% 0.13 333.8)

  • #751A03

    #751A03

    oklch(37.1% 0.129 34.3)

Open the analogous palette in the generator

Split complementary

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

  • #731538

    #731538

    oklch(37.2% 0.13 4.1)

  • #004E28

    #004E28

    oklch(37.2% 0.094 154)

  • #004955

    #004955

    oklch(37.3% 0.065 213.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #731538

    #731538

    oklch(37.2% 0.13 4.1)

  • #364800

    #364800

    oklch(37.2% 0.093 124.3)

  • #00446D

    #00446D

    oklch(37.3% 0.092 244)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #731538

    #731538

    oklch(37.2% 0.13 4.1)

  • #4D3F00

    #4D3F00

    oklch(37.2% 0.076 94.7)

  • #004B44

    #004B44

    oklch(37.1% 0.066 184.2)

  • #2E3583

    #2E3583

    oklch(37.2% 0.13 274.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #731538, closest first.

Similar named colors

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

Use #731538 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.