#821B2C

Closest named color: Red Wine (#8C0034). oklch(40.2% 0.137 17.2), rgb(130, 27, 44).

Aa

White text reads best on this color (9.80:1).

About this color

#821B2C is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.137 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.032 away. White text reads best on it, at 9.80:1.

Hue familyReds
Lightnessdark (40%)
Chromamoderately saturated (0.137)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.14:1
White text9.80:1

Values

HEX#821B2C
RGBrgb(130, 27, 44)
HSLhsl(350, 66%, 31%)
OKLCHoklch(40.2% 0.137 17.2)

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 #821B2C 9.80:1 AAA Lc -95.8 Preferred for body text
Black text on #821B2C 2.14:1 Fails Lc 12.5 Not readable
#821B2C text on white 9.80:1 AAA Lc 91.5 Preferred for body text
#821B2C text on black 2.14:1 Fails Lc -10.9 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 800.

  1. Step 50

    50

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F5CECE

    oklch(88.5% 0.044 18)

  4. Step 300

    300

    #F0ACAE

    oklch(80.9% 0.08 17)

  5. Step 400

    400

    #E57D83

    oklch(70.6% 0.128 17.2)

  6. Step 500

    500

    #DA5864

    oklch(63.1% 0.163 17.6)

  7. Step 600

    600

    #C5374C

    oklch(55.5% 0.178 17)

  8. Step 700

    700

    #AA283D

    oklch(49.1% 0.165 17.2)

  9. Step 800

    800 (this color)

    #821B2C

    oklch(40.2% 0.137 17.2)

  10. Step 900

    900

    #6F242C

    oklch(37.7% 0.106 17.6)

  11. Step 950

    950

    #42161A

    oklch(27.1% 0.068 17.4)

Export this scale for Tailwind in the Tailwind colors tool

#821B2C 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)#39362C0.151
Deuteranopia (no green cones)#534B290.137
Tritanopia (no blue cones)#8F00220.030
Achromatopsia (no color)#4444440.138

Harmonies

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

Complementary

The opposite hue (180°).

  • #821B2C

    #821B2C

    oklch(40.2% 0.137 17.2)

  • #005355

    #005355

    oklch(40.1% 0.068 197.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #821B2C

    #821B2C

    oklch(40.2% 0.137 17.2)

  • #791E56

    #791E56

    oklch(40.2% 0.138 347.3)

  • #763000

    #763000

    oklch(40.1% 0.111 46.9)

Open the analogous palette in the generator

Split complementary

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

  • #821B2C

    #821B2C

    oklch(40.2% 0.137 17.2)

  • #00563F

    #00563F

    oklch(40.2% 0.082 167.3)

  • #005069

    #005069

    oklch(40.2% 0.078 227.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #821B2C

    #821B2C

    oklch(40.2% 0.137 17.2)

  • #225600

    #225600

    oklch(40.1% 0.122 137.3)

  • #084590

    #084590

    oklch(40.2% 0.137 257.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #821B2C

    #821B2C

    oklch(40.2% 0.137 17.2)

  • #4E4B00

    #4E4B00

    oklch(40.3% 0.086 107.1)

  • #005355

    #005355

    oklch(40.1% 0.068 197.6)

  • #47368D

    #47368D

    oklch(40.2% 0.138 287.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #821B2C, closest first.

Similar named colors

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

Use #821B2C 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.