#78211B

Closest named color: Chestnut (#742802). oklch(38.7% 0.122 28.1), rgb(120, 33, 27).

Aa

White text reads best on this color (10.33:1).

About this color

#78211B is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.122 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.029 away. White text reads best on it, at 10.33:1.

Hue familyReds
Lightnessdark (39%)
Chromamoderately saturated (0.122)
Temperaturewarm
Nearest nameChestnut (#742802)
Black text2.03:1
White text10.33:1

Values

HEX#78211B
RGBrgb(120, 33, 27)
HSLhsl(4, 63%, 29%)
OKLCHoklch(38.7% 0.122 28.1)

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 #78211B 10.33:1 AAA Lc -97.1 Preferred for body text
Black text on #78211B 2.03:1 Fails Lc 11.0 Not readable
#78211B text on white 10.33:1 AAA Lc 93.0 Preferred for body text
#78211B text on black 2.03:1 Fails Lc -9.5 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

    #FEF3F1

    oklch(97.2% 0.012 29.9)

  2. Step 100

    100

    #FBE4E0

    oklch(93.6% 0.026 29.4)

  3. Step 200

    200

    #F9CDC7

    oklch(88.5% 0.051 27.2)

  4. Step 300

    300

    #F6AAA0

    oklch(80.8% 0.091 27.6)

  5. Step 400

    400

    #EE796C

    oklch(70.7% 0.147 27.9)

  6. Step 500

    500

    #E44F44

    oklch(63% 0.187 27.9)

  7. Step 600

    600

    #D02823

    oklch(55.6% 0.204 28.1)

  8. Step 700

    700

    #B31615

    oklch(49% 0.189 28.1)

  9. Step 800

    800

    #921915

    oklch(42.8% 0.157 28.2)

  10. Step 900

    900 (this color)

    #78211B

    oklch(38.7% 0.122 28.1)

  11. Step 950

    950

    #45130F

    oklch(26.9% 0.078 28)

Export this scale for Tailwind in the Tailwind colors tool

#78211B 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)#3A341A0.129
Deuteranopia (no green cones)#5047180.118
Tritanopia (no blue cones)#8503200.039
Achromatopsia (no color)#4040400.123

Harmonies

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

Complementary

The opposite hue (180°).

  • #78211B

    #78211B

    oklch(38.7% 0.122 28.1)

  • #004E57

    #004E57

    oklch(38.8% 0.067 208.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #78211B

    #78211B

    oklch(38.7% 0.122 28.1)

  • #741F44

    #741F44

    oklch(38.7% 0.123 358)

  • #673500

    #673500

    oklch(38.6% 0.092 58.3)

Open the analogous palette in the generator

Split complementary

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

  • #78211B

    #78211B

    oklch(38.7% 0.122 28.1)

  • #005044

    #005044

    oklch(38.6% 0.071 178.2)

  • #00496C

    #00496C

    oklch(38.5% 0.086 238.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #78211B

    #78211B

    oklch(38.7% 0.122 28.1)

  • #00531D

    #00531D

    oklch(38.6% 0.112 148)

  • #293D84

    #293D84

    oklch(38.6% 0.122 268.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #78211B

    #78211B

    oklch(38.7% 0.122 28.1)

  • #404A00

    #404A00

    oklch(38.7% 0.09 118.2)

  • #004E57

    #004E57

    oklch(38.8% 0.067 208.1)

  • #4D317B

    #4D317B

    oklch(38.6% 0.121 297.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #78211B, closest first.

Similar named colors

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

Use #78211B 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.