#821B2D

Closest named color: Red Wine (#8C0034). oklch(40.3% 0.137 16.7), rgb(130, 27, 45).

Aa

White text reads best on this color (9.79:1).

About this color

#821B2D 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 0.031 away. White text reads best on it, at 9.79:1.

Hue familyReds
Lightnessdark (40%)
Chromamoderately saturated (0.137)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.14:1
White text9.79:1

Values

HEX#821B2D
RGBrgb(130, 27, 45)
HSLhsl(350, 66%, 31%)
OKLCHoklch(40.3% 0.137 16.7)

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 #821B2D 9.79:1 AAA Lc -95.8 Preferred for body text
Black text on #821B2D 2.14:1 Fails Lc 12.5 Not readable
#821B2D text on white 9.79:1 AAA Lc 91.4 Preferred for body text
#821B2D 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

    #F5CECF

    oklch(88.5% 0.044 16.3)

  4. Step 300

    300

    #F0ACAE

    oklch(80.9% 0.08 17)

  5. Step 400

    400

    #E57D84

    oklch(70.7% 0.128 16.6)

  6. Step 500

    500

    #DA5866

    oklch(63.2% 0.163 16.6)

  7. Step 600

    600

    #C5374D

    oklch(55.5% 0.178 16.6)

  8. Step 700

    700

    #AA283E

    oklch(49.1% 0.165 16.7)

  9. Step 800

    800 (this color)

    #821B2D

    oklch(40.3% 0.137 16.7)

  10. Step 900

    900

    #6F242D

    oklch(37.7% 0.106 16.8)

  11. Step 950

    950

    #41161A

    oklch(26.9% 0.067 17.2)

Export this scale for Tailwind in the Tailwind colors tool

#821B2D 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)#38362D0.152
Deuteranopia (no green cones)#534B2A0.137
Tritanopia (no blue cones)#8F00230.030
Achromatopsia (no color)#4444440.138

Harmonies

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

Complementary

The opposite hue (180°).

  • #821B2D

    #821B2D

    oklch(40.3% 0.137 16.7)

  • #005355

    #005355

    oklch(40.1% 0.068 197.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #821B2D

    #821B2D

    oklch(40.3% 0.137 16.7)

  • #781F57

    #781F57

    oklch(40.2% 0.136 346.3)

  • #773000

    #773000

    oklch(40.3% 0.112 46.6)

Open the analogous palette in the generator

Split complementary

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

  • #821B2D

    #821B2D

    oklch(40.3% 0.137 16.7)

  • #00563E

    #00563E

    oklch(40.2% 0.083 166.4)

  • #005068

    #005068

    oklch(40.2% 0.077 226.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #821B2D

    #821B2D

    oklch(40.3% 0.137 16.7)

  • #245600

    #245600

    oklch(40.2% 0.121 136.7)

  • #044590

    #044590

    oklch(40.2% 0.138 256.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #821B2D

    #821B2D

    oklch(40.3% 0.137 16.7)

  • #4E4B00

    #4E4B00

    oklch(40.3% 0.086 107.1)

  • #005355

    #005355

    oklch(40.1% 0.068 197.6)

  • #46378D

    #46378D

    oklch(40.3% 0.137 286.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #821B2D, closest first.

Similar named colors

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

Use #821B2D 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.