#73183D

Closest named color: Merlot (#730039). oklch(37.6% 0.128 1.2), rgb(115, 24, 61).

Aa

White text reads best on this color (10.89:1).

About this color

#73183D is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.128 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.024 away. White text reads best on it, at 10.89:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.128)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.92:1
White text10.89:1

Values

HEX#73183D
RGBrgb(115, 24, 61)
HSLhsl(336, 65%, 27%)
OKLCHoklch(37.6% 0.128 1.2)

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 #73183D 10.89:1 AAA Lc -98.1 Preferred for body text
Black text on #73183D 1.92:1 Fails Lc 9.8 Not readable
#73183D text on white 10.89:1 AAA Lc 94.1 Preferred for body text
#73183D text on black 1.92:1 Fails Lc -8.5 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

    #FEF2F5

    oklch(97.1% 0.013 0.3)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F9CBD7

    oklch(88.5% 0.054 0.8)

  4. Step 300

    300

    #F5A7BD

    oklch(81% 0.096 1)

  5. Step 400

    400

    #EC739B

    oklch(70.7% 0.154 0.9)

  6. Step 500

    500

    #E24782

    oklch(63.2% 0.196 1.3)

  7. Step 600

    600

    #CD196B

    oklch(55.6% 0.213 1.4)

  8. Step 700

    700

    #B1015A

    oklch(49.2% 0.199 1.1)

  9. Step 800

    800

    #8F0E49

    oklch(42.6% 0.163 1.3)

  10. Step 900

    900 (this color)

    #73183D

    oklch(37.6% 0.128 1.2)

  11. Step 950

    950

    #441124

    oklch(27% 0.08 1.2)

Export this scale for Tailwind in the Tailwind colors tool

#73183D 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)#2D323E0.144
Deuteranopia (no green cones)#45433B0.130
Tritanopia (no blue cones)#7D06280.037
Achromatopsia (no color)#3D3D3D0.129

Harmonies

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

Complementary

The opposite hue (180°).

  • #73183D

    #73183D

    oklch(37.6% 0.128 1.2)

  • #004D43

    #004D43

    oklch(37.7% 0.068 180.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #73183D

    #73183D

    oklch(37.6% 0.128 1.2)

  • #652060

    #652060

    oklch(37.6% 0.128 330.8)

  • #771B0E

    #771B0E

    oklch(37.7% 0.128 31.3)

Open the analogous palette in the generator

Split complementary

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

  • #73183D

    #73183D

    oklch(37.6% 0.128 1.2)

  • #005023

    #005023

    oklch(37.7% 0.102 150.9)

  • #004A55

    #004A55

    oklch(37.5% 0.065 211.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #73183D

    #73183D

    oklch(37.6% 0.128 1.2)

  • #3A4800

    #3A4800

    oklch(37.6% 0.091 121.4)

  • #00466B

    #00466B

    oklch(37.7% 0.087 240.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #73183D

    #73183D

    oklch(37.6% 0.128 1.2)

  • #503F00

    #503F00

    oklch(37.5% 0.077 91.5)

  • #004D43

    #004D43

    oklch(37.7% 0.068 180.3)

  • #2A3884

    #2A3884

    oklch(37.6% 0.128 271)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #73183D, closest first.

Similar named colors

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

Use #73183D 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.