#210B19

Closest named color: Very Dark Brown (#1D0200). oklch(19.1% 0.044 343.2), rgb(33, 11, 25).

Aa

White text reads best on this color (18.64:1).

About this color

#210B19 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.044 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.059 away. White text reads best on it, at 18.64:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.64:1

Values

HEX#210B19
RGBrgb(33, 11, 25)
HSLhsl(322, 50%, 9%)
OKLCHoklch(19.1% 0.044 343.2)

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 #210B19 18.64:1 AAA Lc -107.1 Preferred for body text
Black text on #210B19 1.12:1 Fails Lc 0.0 Not readable
#210B19 text on white 18.64:1 AAA Lc 105.1 Preferred for body text
#210B19 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

    #F9F4F7

    oklch(97.2% 0.007 340.4)

  2. Step 100

    100

    #F2E6EC

    oklch(93.6% 0.015 345.6)

  3. Step 200

    200

    #E8D2DE

    oklch(88.5% 0.029 343.6)

  4. Step 300

    300

    #DAB4C9

    oklch(81% 0.052 344)

  5. Step 400

    400

    #C68CAE

    oklch(70.7% 0.083 343.4)

  6. Step 500

    500

    #B66E9A

    oklch(63% 0.107 343.2)

  7. Step 600

    600

    #A15685

    oklch(55.7% 0.115 343.2)

  8. Step 700

    700

    #8A4570

    oklch(49.1% 0.108 343.7)

  9. Step 800

    800

    #70395C

    oklch(42.7% 0.09 342.8)

  10. Step 900

    900

    #5B324B

    oklch(37.8% 0.069 343.6)

  11. Step 950

    950 (this color)

    #210B19

    oklch(19.1% 0.044 343.2)

Export this scale for Tailwind in the Tailwind colors tool

#210B19 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)#0C10190.047
Deuteranopia (no green cones)#1214180.043
Tritanopia (no blue cones)#230B100.019
Achromatopsia (no color)#1313130.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #210B19

    #210B19

    oklch(19.1% 0.044 343.2)

  • #00190F

    #00190F

    oklch(18.9% 0.04 164.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210B19

    #210B19

    oklch(19.1% 0.044 343.2)

  • #1B0D22

    #1B0D22

    oklch(19% 0.045 313.5)

  • #240A0E

    #240A0E

    oklch(19% 0.044 12.8)

Open the analogous palette in the generator

Split complementary

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

  • #210B19

    #210B19

    oklch(19.1% 0.044 343.2)

  • #0C1803

    #0C1803

    oklch(19.1% 0.044 132.5)

  • #001818

    #001818

    oklch(18.9% 0.032 194.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210B19

    #210B19

    oklch(19.1% 0.044 343.2)

  • #171400

    #171400

    oklch(18.9% 0.04 102.6)

  • #00171F

    #00171F

    oklch(19% 0.035 222.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210B19

    #210B19

    oklch(19.1% 0.044 343.2)

  • #1F1100

    #1F1100

    oklch(19.2% 0.041 74)

  • #00190F

    #00190F

    oklch(18.9% 0.04 164.9)

  • #051427

    #051427

    oklch(19% 0.044 254.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210B19, closest first.

Similar named colors

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

Use #210B19 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.