#810309

Closest named color: Maroon (#800000). oklch(38.1% 0.153 27.4), rgb(129, 3, 9).

Aa

White text reads best on this color (10.76:1).

About this color

#810309 is a dark, vivid red. In OKLCH its lightness is 38%, its chroma 0.153 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.006 away. White text reads best on it, at 10.76:1.

Hue familyReds
Lightnessdark (38%)
Chromavivid (0.153)
Temperaturewarm
Nearest nameMaroon (#800000)
Black text1.95:1
White text10.76:1

Values

HEX#810309
RGBrgb(129, 3, 9)
HSLhsl(357, 95%, 26%)
OKLCHoklch(38.1% 0.153 27.4)

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 #810309 10.76:1 AAA Lc -96.9 Preferred for body text
Black text on #810309 1.95:1 Fails Lc 11.2 Not readable
#810309 text on white 10.76:1 AAA Lc 92.7 Preferred for body text
#810309 text on black 1.95:1 Fails Lc -9.7 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FFE2DE

    oklch(93.5% 0.033 27.1)

  3. Step 200

    200

    #FFCBC3

    oklch(88.6% 0.06 28.4)

  4. Step 300

    300

    #FFA59A

    oklch(80.9% 0.109 27.3)

  5. Step 400

    400

    #FE6A5E

    oklch(70.7% 0.183 27.3)

  6. Step 500

    500

    #F82D2C

    oklch(63.2% 0.235 27.5)

  7. Step 600

    600

    #D90014

    oklch(55.7% 0.227 27.4)

  8. Step 700

    700

    #B7000F

    oklch(49% 0.2 27.4)

  9. Step 800

    800

    #98000A

    oklch(42.7% 0.174 27.5)

  10. Step 900

    900 (this color)

    #810309

    oklch(38.1% 0.153 27.4)

  11. Step 950

    950

    #4B0908

    oklch(26.9% 0.097 27.3)

Export this scale for Tailwind in the Tailwind colors tool

#810309 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)#342D070.168
Deuteranopia (no green cones)#5047000.153
Tritanopia (no blue cones)#8F00080.031
Achromatopsia (no color)#3E3E3E0.154

Harmonies

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

Complementary

The opposite hue (180°).

  • #810309

    #810309

    oklch(38.1% 0.153 27.4)

  • #004C54

    #004C54

    oklch(38.1% 0.065 206.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #810309

    #810309

    oklch(38.1% 0.153 27.4)

  • #7B0343

    #7B0343

    oklch(38.1% 0.153 357.4)

  • #663300

    #663300

    oklch(38% 0.092 56.8)

Open the analogous palette in the generator

Split complementary

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

  • #810309

    #810309

    oklch(38.1% 0.153 27.4)

  • #004F42

    #004F42

    oklch(38.2% 0.071 176.8)

  • #004869

    #004869

    oklch(38.1% 0.083 237.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #810309

    #810309

    oklch(38.1% 0.153 27.4)

  • #00521B

    #00521B

    oklch(38.2% 0.112 147.5)

  • #203792

    #203792

    oklch(38.1% 0.152 267.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #810309

    #810309

    oklch(38.1% 0.153 27.4)

  • #3F4800

    #3F4800

    oklch(38% 0.088 117.6)

  • #004C54

    #004C54

    oklch(38.1% 0.065 206.9)

  • #4E2688

    #4E2688

    oklch(38.1% 0.154 297.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #810309, closest first.

Similar named colors

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

Use #810309 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.