#810015

Closest named color: Maroon (#800000). oklch(38.1% 0.154 23.4), rgb(129, 0, 21).

Aa

White text reads best on this color (10.80:1).

About this color

#810015 is a dark, vivid red. In OKLCH its lightness is 38%, its chroma 0.154 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.016 away. White text reads best on it, at 10.80:1.

Hue familyReds
Lightnessdark (38%)
Chromavivid (0.154)
Temperaturewarm
Nearest nameMaroon (#800000)
Black text1.94:1
White text10.80:1

Values

HEX#810015
RGBrgb(129, 0, 21)
HSLhsl(350, 100%, 25%)
OKLCHoklch(38.1% 0.154 23.4)

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 #810015 10.80:1 AAA Lc -96.9 Preferred for body text
Black text on #810015 1.94:1 Fails Lc 11.3 Not readable
#810015 text on white 10.80:1 AAA Lc 92.7 Preferred for body text
#810015 text on black 1.94:1 Fails Lc -9.8 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 900.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2E0

    oklch(93.6% 0.032 22.5)

  3. Step 200

    200

    #FFCAC6

    oklch(88.4% 0.061 23.4)

  4. Step 300

    300

    #FFA59F

    oklch(81% 0.108 23.9)

  5. Step 400

    400

    #FF6867

    oklch(70.7% 0.185 23.4)

  6. Step 500

    500

    #F8293D

    oklch(63.2% 0.236 23.4)

  7. Step 600

    600

    #D8002A

    oklch(55.6% 0.225 23.5)

  8. Step 700

    700

    #B70022

    oklch(49.2% 0.199 23.5)

  9. Step 800

    800

    #97001A

    oklch(42.7% 0.172 23.6)

  10. Step 900

    900 (this color)

    #810015

    oklch(38.1% 0.154 23.4)

  11. Step 950

    950

    #4B080D

    oklch(26.9% 0.097 23.4)

Export this scale for Tailwind in the Tailwind colors tool

#810015 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)#322D140.171
Deuteranopia (no green cones)#4F460F0.154
Tritanopia (no blue cones)#8F000B0.033
Achromatopsia (no color)#3D3D3D0.155

Harmonies

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

Complementary

The opposite hue (180°).

  • #810015

    #810015

    oklch(38.1% 0.154 23.4)

  • #004C52

    #004C52

    oklch(38% 0.065 203.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #810015

    #810015

    oklch(38.1% 0.154 23.4)

  • #7A0449

    #7A0449

    oklch(38.2% 0.154 353.5)

  • #683100

    #683100

    oklch(38% 0.096 53.7)

Open the analogous palette in the generator

Split complementary

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

  • #810015

    #810015

    oklch(38.1% 0.154 23.4)

  • #004F3F

    #004F3F

    oklch(38.1% 0.073 173.1)

  • #004966

    #004966

    oklch(38.2% 0.079 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #810015

    #810015

    oklch(38.1% 0.154 23.4)

  • #005207

    #005207

    oklch(38% 0.126 143.4)

  • #133992

    #133992

    oklch(38% 0.153 263.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #810015

    #810015

    oklch(38.1% 0.154 23.4)

  • #434700

    #434700

    oklch(38.1% 0.085 113.4)

  • #004C52

    #004C52

    oklch(38% 0.065 203.9)

  • #4A288A

    #4A288A

    oklch(38.1% 0.153 293.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #810015, closest first.

Similar named colors

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

Use #810015 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.