#210D08

Closest named color: Very Dark Brown (#1D0200). oklch(18.8% 0.036 35.4), rgb(33, 13, 8).

Aa

White text reads best on this color (18.65:1).

About this color

#210D08 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.036 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.041 away. White text reads best on it, at 18.65:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.036)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.65:1

Values

HEX#210D08
RGBrgb(33, 13, 8)
HSLhsl(12, 61%, 8%)
OKLCHoklch(18.8% 0.036 35.4)

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 #210D08 18.65:1 AAA Lc -107.2 Preferred for body text
Black text on #210D08 1.12:1 Fails Lc 0.0 Not readable
#210D08 text on white 18.65:1 AAA Lc 105.1 Preferred for body text
#210D08 text on black 1.12:1 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

    #F9F4F3

    oklch(97.1% 0.006 31.1)

  2. Step 100

    100

    #F2E7E4

    oklch(93.6% 0.013 35.7)

  3. Step 200

    200

    #E8D4CF

    oklch(88.5% 0.023 34.3)

  4. Step 300

    300

    #DBB8AE

    oklch(81% 0.043 36.5)

  5. Step 400

    400

    #C79284

    oklch(70.7% 0.068 35.3)

  6. Step 500

    500

    #B87665

    oklch(63.1% 0.088 35.2)

  7. Step 600

    600

    #A35E4C

    oklch(55.6% 0.095 35.5)

  8. Step 700

    700

    #8B4D3D

    oklch(49% 0.088 35.4)

  9. Step 800

    800

    #714033

    oklch(42.8% 0.072 35.7)

  10. Step 900

    900

    #5C362C

    oklch(37.7% 0.058 35.5)

  11. Step 950

    950 (this color)

    #210D08

    oklch(18.8% 0.036 35.4)

Export this scale for Tailwind in the Tailwind colors tool

#210D08 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)#1210080.035
Deuteranopia (no green cones)#1714080.032
Tritanopia (no blue cones)#250A0C0.016
Achromatopsia (no color)#1313130.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #210D08

    #210D08

    oklch(18.8% 0.036 35.4)

  • #00171D

    #00171D

    oklch(18.9% 0.034 216.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210D08

    #210D08

    oklch(18.8% 0.036 35.4)

  • #210C11

    #210C11

    oklch(18.9% 0.037 6.1)

  • #1E1002

    #1E1002

    oklch(18.9% 0.036 68)

Open the analogous palette in the generator

Split complementary

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

  • #210D08

    #210D08

    oklch(18.8% 0.036 35.4)

  • #001815

    #001815

    oklch(18.8% 0.033 184.2)

  • #051522

    #051522

    oklch(18.9% 0.035 244.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210D08

    #210D08

    oklch(18.8% 0.036 35.4)

  • #05180C

    #05180C

    oklch(18.8% 0.036 154.5)

  • #0F1223

    #0F1223

    oklch(18.9% 0.035 275)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210D08

    #210D08

    oklch(18.8% 0.036 35.4)

  • #101604

    #101604

    oklch(18.8% 0.036 124.1)

  • #00171D

    #00171D

    oklch(18.9% 0.034 216.2)

  • #170F20

    #170F20

    oklch(18.8% 0.035 304.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210D08, closest first.

Similar named colors

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

Use #210D08 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.