#21020C

Closest named color: Very Dark Brown (#1D0200). oklch(16.6% 0.059 2.9), rgb(33, 2, 12).

Aa

White text reads best on this color (19.46:1).

About this color

#21020C is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.059 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.034 away. White text reads best on it, at 19.46:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.059)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.07:1
White text19.46:1

Values

HEX#21020C
RGBrgb(33, 2, 12)
HSLhsl(341, 89%, 7%)
OKLCHoklch(16.6% 0.059 2.9)

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 #21020C 19.46:1 AAA Lc -107.3 Preferred for body text
Black text on #21020C 1.07:1 Fails Lc 0.0 Not readable
#21020C text on white 19.46:1 AAA Lc 105.3 Preferred for body text
#21020C text on black 1.07:1 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

    #FBF3F5

    oklch(97.1% 0.009 0.1)

  2. Step 100

    100

    #F6E5E8

    oklch(93.6% 0.019 5.3)

  3. Step 200

    200

    #F0CFD7

    oklch(88.4% 0.038 1.6)

  4. Step 300

    300

    #E8AEBC

    oklch(80.8% 0.07 2.8)

  5. Step 400

    400

    #DA829A

    oklch(70.7% 0.111 2.7)

  6. Step 500

    500

    #CD6081

    oklch(63% 0.142 2.9)

  7. Step 600

    600

    #B8446B

    oklch(55.6% 0.154 2.7)

  8. Step 700

    700

    #9E3559

    oklch(49.1% 0.142 2.8)

  9. Step 800

    800

    #812D49

    oklch(42.8% 0.119 2.9)

  10. Step 900

    900

    #68293D

    oklch(37.7% 0.093 2.7)

  11. Step 950

    950 (this color)

    #21020C

    oklch(16.6% 0.059 2.9)

Export this scale for Tailwind in the Tailwind colors tool

#21020C 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)#07090C0.067
Deuteranopia (no green cones)#100F0B0.060
Tritanopia (no blue cones)#2500050.017
Achromatopsia (no color)#0D0D0D0.059

Harmonies

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

Complementary

The opposite hue (180°).

  • #21020C

    #21020C

    oklch(16.6% 0.059 2.9)

  • #001210

    #001210

    oklch(16.4% 0.029 186.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21020C

    #21020C

    oklch(16.6% 0.059 2.9)

  • #1C0319

    #1C0319

    oklch(16.4% 0.06 332.7)

  • #220300

    #220300

    oklch(16.6% 0.058 35.1)

Open the analogous palette in the generator

Split complementary

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

  • #21020C

    #21020C

    oklch(16.6% 0.059 2.9)

  • #001306

    #001306

    oklch(16.4% 0.041 154.1)

  • #001216

    #001216

    oklch(16.7% 0.029 211.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21020C

    #21020C

    oklch(16.6% 0.059 2.9)

  • #0B1100

    #0B1100

    oklch(16.5% 0.041 123.3)

  • #00101E

    #00101E

    oklch(16.6% 0.04 242.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21020C

    #21020C

    oklch(16.6% 0.059 2.9)

  • #130E00

    #130E00

    oklch(16.5% 0.034 95)

  • #001210

    #001210

    oklch(16.4% 0.029 186.3)

  • #070A27

    #070A27

    oklch(16.4% 0.059 273)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21020C, closest first.

Similar named colors

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

Use #21020C 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.