#81210A

Closest named color: Brick Red (#8F1402). oklch(40.2% 0.135 34), rgb(129, 33, 10).

Aa

White text reads best on this color (9.74:1).

About this color

#81210A is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.135 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.030 away. White text reads best on it, at 9.74:1.

Hue familyReds
Lightnessdark (40%)
Chromamoderately saturated (0.135)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.15:1
White text9.74:1

Values

HEX#81210A
RGBrgb(129, 33, 10)
HSLhsl(12, 86%, 27%)
OKLCHoklch(40.2% 0.135 34)

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 #81210A 9.74:1 AAA Lc -95.7 Preferred for body text
Black text on #81210A 2.15:1 Fails Lc 12.6 Not readable
#81210A text on white 9.74:1 AAA Lc 91.4 Preferred for body text
#81210A text on black 2.15:1 Fails Lc -11.0 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

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FDE3DD

    oklch(93.5% 0.03 33.1)

  3. Step 200

    200

    #FCCDC1

    oklch(88.6% 0.056 34.7)

  4. Step 300

    300

    #FAA995

    oklch(80.9% 0.1 34.5)

  5. Step 400

    400

    #F47659

    oklch(70.8% 0.161 34.3)

  6. Step 500

    500

    #EB4822

    oklch(63.1% 0.206 34.1)

  7. Step 600

    600

    #CE2F00

    oklch(55.6% 0.2 34)

  8. Step 700

    700

    #AE2600

    oklch(49% 0.177 33.9)

  9. Step 800

    800

    #901E00

    oklch(42.7% 0.153 34)

  10. Step 900

    900 (this color)

    #81210A

    oklch(40.2% 0.135 34)

  11. Step 950

    950

    #471106

    oklch(26.9% 0.085 33.7)

Export this scale for Tailwind in the Tailwind colors tool

#81210A 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)#3E36050.141
Deuteranopia (no green cones)#564C030.128
Tritanopia (no blue cones)#8F001D0.045
Achromatopsia (no color)#4444440.135

Harmonies

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

Complementary

The opposite hue (180°).

  • #81210A

    #81210A

    oklch(40.2% 0.135 34)

  • #00525F

    #00525F

    oklch(40.3% 0.07 212.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #81210A

    #81210A

    oklch(40.2% 0.135 34)

  • #7E1C40

    #7E1C40

    oklch(40.1% 0.135 3.6)

  • #693C00

    #693C00

    oklch(40.2% 0.09 64.7)

Open the analogous palette in the generator

Split complementary

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

  • #81210A

    #81210A

    oklch(40.2% 0.135 34)

  • #00544C

    #00544C

    oklch(40.1% 0.071 183.9)

  • #004C79

    #004C79

    oklch(40.1% 0.099 244)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #81210A

    #81210A

    oklch(40.2% 0.135 34)

  • #00572D

    #00572D

    oklch(40.1% 0.101 153.9)

  • #343D8F

    #343D8F

    oklch(40.2% 0.134 273.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #81210A

    #81210A

    oklch(40.2% 0.135 34)

  • #3D5000

    #3D5000

    oklch(40% 0.099 123.8)

  • #00525F

    #00525F

    oklch(40.3% 0.07 212.9)

  • #592F82

    #592F82

    oklch(40.2% 0.136 304.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81210A, closest first.

Similar named colors

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

Use #81210A 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.