#811503

Closest named color: Maroon (#800000). oklch(39% 0.145 32), rgb(129, 21, 3).

Aa

White text reads best on this color (10.28:1).

About this color

#811503 is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.145 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.018 away. White text reads best on it, at 10.28:1.

Hue familyReds
Lightnessdark (39%)
Chromavivid (0.145)
Temperaturewarm
Nearest nameMaroon (#800000)
Black text2.04:1
White text10.28:1

Values

HEX#811503
RGBrgb(129, 21, 3)
HSLhsl(9, 95%, 26%)
OKLCHoklch(39% 0.145 32)

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 #811503 10.28:1 AAA Lc -96.5 Preferred for body text
Black text on #811503 2.04:1 Fails Lc 11.7 Not readable
#811503 text on white 10.28:1 AAA Lc 92.3 Preferred for body text
#811503 text on black 2.04:1 Fails Lc -10.1 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

    #FFF2EF

    oklch(97.1% 0.015 33.1)

  2. Step 100

    100

    #FEE3DD

    oklch(93.6% 0.031 32.6)

  3. Step 200

    200

    #FECBC1

    oklch(88.4% 0.06 31.1)

  4. Step 300

    300

    #FFA694

    oklch(80.9% 0.109 32)

  5. Step 400

    400

    #F97057

    oklch(70.6% 0.173 32.1)

  6. Step 500

    500

    #F23C1D

    oklch(63.1% 0.222 32.1)

  7. Step 600

    600

    #D22400

    oklch(55.6% 0.21 32)

  8. Step 700

    700

    #B21D00

    oklch(49.1% 0.186 32)

  9. Step 800

    800

    #931600

    oklch(42.7% 0.162 32)

  10. Step 900

    900 (this color)

    #811503

    oklch(39% 0.145 32)

  11. Step 950

    950

    #490D05

    oklch(26.9% 0.091 31.6)

Export this scale for Tailwind in the Tailwind colors tool

#811503 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)#3931000.155
Deuteranopia (no green cones)#5349000.138
Tritanopia (no blue cones)#8F00130.034
Achromatopsia (no color)#4141410.145

Harmonies

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

Complementary

The opposite hue (180°).

  • #811503

    #811503

    oklch(39% 0.145 32)

  • #004E5A

    #004E5A

    oklch(38.9% 0.068 212.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #811503

    #811503

    oklch(39% 0.145 32)

  • #7D103F

    #7D103F

    oklch(39% 0.145 1.9)

  • #663800

    #663800

    oklch(39% 0.09 62.3)

Open the analogous palette in the generator

Split complementary

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

  • #811503

    #811503

    oklch(39% 0.145 32)

  • #005148

    #005148

    oklch(39% 0.07 182.2)

  • #004A72

    #004A72

    oklch(39.2% 0.092 241.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #811503

    #811503

    oklch(39% 0.145 32)

  • #005427

    #005427

    oklch(39% 0.103 151.8)

  • #2D3991

    #2D3991

    oklch(39.1% 0.145 272)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #811503

    #811503

    oklch(39% 0.145 32)

  • #3D4C00

    #3D4C00

    oklch(38.9% 0.094 121.7)

  • #004E5A

    #004E5A

    oklch(38.9% 0.068 212.3)

  • #552A84

    #552A84

    oklch(39.1% 0.145 302)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #811503, closest first.

Similar named colors

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

Use #811503 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.