#210C13

Closest named color: Very Dark Brown (#1D0200). oklch(19% 0.037 0.1), rgb(33, 12, 19).

Aa

White text reads best on this color (18.63:1).

About this color

#210C13 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.037 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.050 away. White text reads best on it, at 18.63:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.037)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.63:1

Values

HEX#210C13
RGBrgb(33, 12, 19)
HSLhsl(340, 47%, 9%)
OKLCHoklch(19% 0.037 0.1)

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 #210C13 18.63:1 AAA Lc -107.2 Preferred for body text
Black text on #210C13 1.12:1 Fails Lc 0.0 Not readable
#210C13 text on white 18.63:1 AAA Lc 105.1 Preferred for body text
#210C13 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

    #F2E6E9

    oklch(93.5% 0.014 0.3)

  3. Step 200

    200

    #E8D3D8

    oklch(88.5% 0.024 1.4)

  4. Step 300

    300

    #DAB5BF

    oklch(80.8% 0.045 0.1)

  5. Step 400

    400

    #C68E9F

    oklch(70.6% 0.071 359.2)

  6. Step 500

    500

    #B77287

    oklch(63.2% 0.091 0.3)

  7. Step 600

    600

    #A25971

    oklch(55.6% 0.1 359.8)

  8. Step 700

    700

    #8A495E

    oklch(49.1% 0.091 0.4)

  9. Step 800

    800

    #703C4D

    oklch(42.6% 0.076 359.9)

  10. Step 900

    900

    #5B3440

    oklch(37.7% 0.058 0.4)

  11. Step 950

    950 (this color)

    #210C13

    oklch(19% 0.037 0.1)

Export this scale for Tailwind in the Tailwind colors tool

#210C13 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)#0F10130.041
Deuteranopia (no green cones)#1514130.037
Tritanopia (no blue cones)#240B0F0.010
Achromatopsia (no color)#1313130.038

Harmonies

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

Complementary

The opposite hue (180°).

  • #210C13

    #210C13

    oklch(19% 0.037 0.1)

  • #001914

    #001914

    oklch(19.1% 0.035 178.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210C13

    #210C13

    oklch(19% 0.037 0.1)

  • #1D0D1C

    #1D0D1C

    oklch(19% 0.038 329.2)

  • #220D09

    #220D09

    oklch(19% 0.037 32.1)

Open the analogous palette in the generator

Split complementary

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

  • #210C13

    #210C13

    oklch(19% 0.037 0.1)

  • #06180A

    #06180A

    oklch(18.8% 0.037 149.6)

  • #00181C

    #00181C

    oklch(19.1% 0.033 209.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210C13

    #210C13

    oklch(19% 0.037 0.1)

  • #121603

    #121603

    oklch(19% 0.037 119.1)

  • #031623

    #031623

    oklch(19.1% 0.037 239.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210C13

    #210C13

    oklch(19% 0.037 0.1)

  • #1A1301

    #1A1301

    oklch(19% 0.037 90.9)

  • #001914

    #001914

    oklch(19.1% 0.035 178.1)

  • #0D1324

    #0D1324

    oklch(19.1% 0.036 268.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210C13, closest first.

Similar named colors

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

Use #210C13 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.