#210B1D

Closest named color: Very Dark Purple (#2A0134). oklch(19.3% 0.048 334.6), rgb(33, 11, 29).

Aa

White text reads best on this color (18.57:1).

About this color

#210B1D is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.048 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.057 away. White text reads best on it, at 18.57:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.048)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.13:1
White text18.57:1

Values

HEX#210B1D
RGBrgb(33, 11, 29)
HSLhsl(311, 50%, 9%)
OKLCHoklch(19.3% 0.048 334.6)

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 #210B1D 18.57:1 AAA Lc -107.1 Preferred for body text
Black text on #210B1D 1.13:1 Fails Lc 0.0 Not readable
#210B1D text on white 18.57:1 AAA Lc 105.0 Preferred for body text
#210B1D text on black 1.13:1 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

    #F1E6EE

    oklch(93.6% 0.016 335.1)

  3. Step 200

    200

    #E7D2E2

    oklch(88.6% 0.031 334)

  4. Step 300

    300

    #D8B3D0

    oklch(80.8% 0.057 333.7)

  5. Step 400

    400

    #C48BB8

    oklch(70.7% 0.091 334.2)

  6. Step 500

    500

    #B46DA6

    oklch(63.1% 0.117 334.4)

  7. Step 600

    600

    #9F5491

    oklch(55.6% 0.126 334.5)

  8. Step 700

    700

    #88447B

    oklch(49.1% 0.117 334.9)

  9. Step 800

    800

    #6E3864

    oklch(42.6% 0.097 334.5)

  10. Step 900

    900

    #5A3152

    oklch(37.8% 0.076 334.6)

  11. Step 950

    950 (this color)

    #210B1D

    oklch(19.3% 0.048 334.6)

Export this scale for Tailwind in the Tailwind colors tool

#210B1D 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)#0B111E0.049
Deuteranopia (no green cones)#11141C0.044
Tritanopia (no blue cones)#230C120.024
Achromatopsia (no color)#1313130.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #210B1D

    #210B1D

    oklch(19.3% 0.048 334.6)

  • #001A0A

    #001A0A

    oklch(19.1% 0.047 154.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210B1D

    #210B1D

    oklch(19.3% 0.048 334.6)

  • #190E26

    #190E26

    oklch(19.3% 0.049 303.3)

  • #250A12

    #250A12

    oklch(19.3% 0.047 4)

Open the analogous palette in the generator

Split complementary

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

  • #210B1D

    #210B1D

    oklch(19.3% 0.048 334.6)

  • #101800

    #101800

    oklch(19.4% 0.048 124.3)

  • #001916

    #001916

    oklch(19.2% 0.034 184.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210B1D

    #210B1D

    oklch(19.3% 0.048 334.6)

  • #1A1400

    #1A1400

    oklch(19.3% 0.04 95.2)

  • #00181E

    #00181E

    oklch(19.3% 0.034 215.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210B1D

    #210B1D

    oklch(19.3% 0.048 334.6)

  • #210F00

    #210F00

    oklch(19.1% 0.043 64.1)

  • #001A0A

    #001A0A

    oklch(19.1% 0.047 154.8)

  • #001628

    #001628

    oklch(19.3% 0.048 244)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210B1D, closest first.

Similar named colors

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

Use #210B1D 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.