#81183D

Closest named color: Wine (#80013F). oklch(40.2% 0.141 5.7), rgb(129, 24, 61).

Aa

White text reads best on this color (9.85:1).

About this color

#81183D is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.141 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Wine (#80013F), ΔE 0.024 away. White text reads best on it, at 9.85:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.141)
Temperaturewarm
Nearest nameWine (#80013F)
Black text2.13:1
White text9.85:1

Values

HEX#81183D
RGBrgb(129, 24, 61)
HSLhsl(339, 69%, 30%)
OKLCHoklch(40.2% 0.141 5.7)

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 #81183D 9.85:1 AAA Lc -95.8 Preferred for body text
Black text on #81183D 2.13:1 Fails Lc 12.4 Not readable
#81183D text on white 9.85:1 AAA Lc 91.5 Preferred for body text
#81183D text on black 2.13:1 Fails Lc -10.8 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 800.

  1. Step 50

    50

    #FDF3F4

    oklch(97.2% 0.011 10.3)

  2. Step 100

    100

    #F9E4E7

    oklch(93.7% 0.023 7.7)

  3. Step 200

    200

    #F5CDD5

    oklch(88.5% 0.046 4.6)

  4. Step 300

    300

    #EFABB9

    oklch(80.9% 0.082 5.5)

  5. Step 400

    400

    #E47B94

    oklch(70.6% 0.132 5.8)

  6. Step 500

    500

    #D9557A

    oklch(63.1% 0.168 5.9)

  7. Step 600

    600

    #C43463

    oklch(55.6% 0.182 5.9)

  8. Step 700

    700

    #A92452

    oklch(49.1% 0.17 5.9)

  9. Step 800

    800 (this color)

    #81183D

    oklch(40.2% 0.141 5.7)

  10. Step 900

    900

    #6E2239

    oklch(37.6% 0.109 5.5)

  11. Step 950

    950

    #411521

    oklch(27% 0.069 6.1)

Export this scale for Tailwind in the Tailwind colors tool

#81183D 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)#33363E0.159
Deuteranopia (no green cones)#4F4B3A0.144
Tritanopia (no blue cones)#8D00280.038
Achromatopsia (no color)#4343430.142

Harmonies

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

Complementary

The opposite hue (180°).

  • #81183D

    #81183D

    oklch(40.2% 0.141 5.7)

  • #00544E

    #00544E

    oklch(40.1% 0.07 186.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #81183D

    #81183D

    oklch(40.2% 0.141 5.7)

  • #732065

    #732065

    oklch(40.2% 0.141 335.4)

  • #821F00

    #821F00

    oklch(40.1% 0.139 35.6)

Open the analogous palette in the generator

Split complementary

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

  • #81183D

    #81183D

    oklch(40.2% 0.141 5.7)

  • #005730

    #005730

    oklch(40.1% 0.098 155.5)

  • #005161

    #005161

    oklch(40.1% 0.072 217)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #81183D

    #81183D

    oklch(40.2% 0.141 5.7)

  • #3B5100

    #3B5100

    oklch(40.2% 0.102 125.5)

  • #004C7C

    #004C7C

    oklch(40.3% 0.103 245.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #81183D

    #81183D

    oklch(40.2% 0.141 5.7)

  • #564700

    #564700

    oklch(40.2% 0.082 95.2)

  • #00544E

    #00544E

    oklch(40.1% 0.07 186.5)

  • #363B92

    #363B92

    oklch(40.2% 0.141 275.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81183D, closest first.

Similar named colors

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

Use #81183D 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.