#210811

Closest named color: Very Dark Brown (#1D0200). oklch(18.1% 0.045 359.9), rgb(33, 8, 17).

Aa

White text reads best on this color (18.96:1).

About this color

#210811 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.043 away. White text reads best on it, at 18.96:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.10:1
White text18.96:1

Values

HEX#210811
RGBrgb(33, 8, 17)
HSLhsl(338, 61%, 8%)
OKLCHoklch(18.1% 0.045 359.9)

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 #210811 18.96:1 AAA Lc -107.3 Preferred for body text
Black text on #210811 1.10:1 Fails Lc 0.0 Not readable
#210811 text on white 18.96:1 AAA Lc 105.2 Preferred for body text
#210811 text on black 1.10:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #FAF3F5

    oklch(97% 0.008 357.8)

  2. Step 100

    100

    #F3E6E9

    oklch(93.6% 0.015 1.6)

  3. Step 200

    200

    #EBD1D8

    oklch(88.4% 0.03 359.6)

  4. Step 300

    300

    #DFB3BF

    oklch(80.9% 0.053 0.2)

  5. Step 400

    400

    #CD8A9E

    oklch(70.6% 0.085 0.1)

  6. Step 500

    500

    #BE6C87

    oklch(63% 0.108 359.6)

  7. Step 600

    600

    #AA5371

    oklch(55.7% 0.118 359.8)

  8. Step 700

    700

    #91435E

    oklch(49.1% 0.109 0.1)

  9. Step 800

    800

    #76374D

    oklch(42.6% 0.092 359.6)

  10. Step 900

    900

    #603040

    oklch(37.7% 0.072 359.9)

  11. Step 950

    950 (this color)

    #210811

    oklch(18.1% 0.045 359.9)

Export this scale for Tailwind in the Tailwind colors tool

#210811 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)#0C0E110.050
Deuteranopia (no green cones)#1312100.045
Tritanopia (no blue cones)#24060B0.013
Achromatopsia (no color)#1010100.046

Harmonies

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

Complementary

The opposite hue (180°).

  • #210811

    #210811

    oklch(18.1% 0.045 359.9)

  • #001612

    #001612

    oklch(17.9% 0.033 180.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210811

    #210811

    oklch(18.1% 0.045 359.9)

  • #1C091B

    #1C091B

    oklch(17.9% 0.045 329.2)

  • #220906

    #220906

    oklch(18.1% 0.044 30.2)

Open the analogous palette in the generator

Split complementary

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

  • #210811

    #210811

    oklch(18.1% 0.045 359.9)

  • #021707

    #021707

    oklch(18.1% 0.044 150.3)

  • #001519

    #001519

    oklch(17.9% 0.031 210.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210811

    #210811

    oklch(18.1% 0.045 359.9)

  • #101400

    #101400

    oklch(18.1% 0.042 118.4)

  • #001422

    #001422

    oklch(18.2% 0.041 239)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210811

    #210811

    oklch(18.1% 0.045 359.9)

  • #181100

    #181100

    oklch(18.1% 0.037 91.1)

  • #001612

    #001612

    oklch(17.9% 0.033 180.2)

  • #0A1026

    #0A1026

    oklch(18.1% 0.046 269.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210811, closest first.

Similar named colors

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

Use #210811 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.