#210C11

Closest named color: Very Dark Brown (#1D0200). oklch(18.9% 0.037 6.1), rgb(33, 12, 17).

Aa

White text reads best on this color (18.66:1).

About this color

#210C11 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.037 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.047 away. White text reads best on it, at 18.66:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.037)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.66:1

Values

HEX#210C11
RGBrgb(33, 12, 17)
HSLhsl(346, 47%, 9%)
OKLCHoklch(18.9% 0.037 6.1)

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 #210C11 18.66:1 AAA Lc -107.2 Preferred for body text
Black text on #210C11 1.12:1 Fails Lc 0.0 Not readable
#210C11 text on white 18.66:1 AAA Lc 105.1 Preferred for body text
#210C11 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

    #F9F4F5

    oklch(97.1% 0.006 3.3)

  2. Step 100

    100

    #F2E7E8

    oklch(93.7% 0.012 11)

  3. Step 200

    200

    #E8D3D6

    oklch(88.5% 0.024 7.8)

  4. Step 300

    300

    #DAB6BC

    oklch(80.9% 0.042 6.8)

  5. Step 400

    400

    #C78F9A

    oklch(70.8% 0.069 6)

  6. Step 500

    500

    #B77281

    oklch(63% 0.089 5.8)

  7. Step 600

    600

    #A25A6A

    oklch(55.5% 0.096 6.4)

  8. Step 700

    700

    #8B4A59

    oklch(49.2% 0.089 6.1)

  9. Step 800

    800

    #713D49

    oklch(42.8% 0.074 5.9)

  10. Step 900

    900

    #5C343D

    oklch(37.8% 0.059 5.7)

  11. Step 950

    950 (this color)

    #210C11

    oklch(18.9% 0.037 6.1)

Export this scale for Tailwind in the Tailwind colors tool

#210C11 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)#1010110.040
Deuteranopia (no green cones)#1514110.037
Tritanopia (no blue cones)#240A0E0.009
Achromatopsia (no color)#1212120.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #210C11

    #210C11

    oklch(18.9% 0.037 6.1)

  • #001816

    #001816

    oklch(18.8% 0.033 187.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210C11

    #210C11

    oklch(18.9% 0.037 6.1)

  • #1E0D1A

    #1E0D1A

    oklch(19% 0.037 336.2)

  • #210D08

    #210D08

    oklch(18.8% 0.036 35.4)

Open the analogous palette in the generator

Split complementary

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

  • #210C11

    #210C11

    oklch(18.9% 0.037 6.1)

  • #04180C

    #04180C

    oklch(18.8% 0.037 155.7)

  • #00171D

    #00171D

    oklch(18.9% 0.034 216.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210C11

    #210C11

    oklch(18.9% 0.037 6.1)

  • #0F1604

    #0F1604

    oklch(18.7% 0.037 126.2)

  • #051523

    #051523

    oklch(19% 0.036 246.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210C11

    #210C11

    oklch(18.9% 0.037 6.1)

  • #181301

    #181301

    oklch(18.8% 0.036 96.2)

  • #001816

    #001816

    oklch(18.8% 0.033 187.6)

  • #0F1224

    #0F1224

    oklch(19% 0.037 275.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210C11, closest first.

Similar named colors

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

Use #210C11 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.