#210E1B

Closest named color: Rich Black (#0D1B2A). oklch(19.8% 0.039 340.1), rgb(33, 14, 27).

Aa

White text reads best on this color (18.36:1).

About this color

#210E1B is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.039 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.056 away. White text reads best on it, at 18.36:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamuted (0.039)
Temperaturewarm
Nearest nameRich Black (#0D1B2A)
Black text1.14:1
White text18.36:1

Values

HEX#210E1B
RGBrgb(33, 14, 27)
HSLhsl(319, 40%, 9%)
OKLCHoklch(19.8% 0.039 340.1)

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 #210E1B 18.36:1 AAA Lc -107.0 Preferred for body text
Black text on #210E1B 1.14:1 Fails Lc 0.0 Not readable
#210E1B text on white 18.36:1 AAA Lc 104.9 Preferred for body text
#210E1B text on black 1.14:1 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

    #F8F4F7

    oklch(97.1% 0.006 334)

  2. Step 100

    100

    #F0E7ED

    oklch(93.7% 0.013 337.5)

  3. Step 200

    200

    #E6D3DE

    oklch(88.6% 0.026 341.9)

  4. Step 300

    300

    #D6B6CA

    oklch(81% 0.045 340.3)

  5. Step 400

    400

    #C18FAF

    oklch(70.8% 0.074 340.5)

  6. Step 500

    500

    #B0729B

    oklch(63% 0.095 340.3)

  7. Step 600

    600

    #9B5A86

    oklch(55.6% 0.103 340.2)

  8. Step 700

    700

    #844A72

    oklch(49.2% 0.095 339.7)

  9. Step 800

    800

    #6B3D5C

    oklch(42.7% 0.078 340.3)

  10. Step 900

    900

    #57344C

    oklch(37.6% 0.062 339.4)

  11. Step 950

    950 (this color)

    #210E1B

    oklch(19.8% 0.039 340.1)

Export this scale for Tailwind in the Tailwind colors tool

#210E1B 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)#0F131B0.040
Deuteranopia (no green cones)#14151A0.036
Tritanopia (no blue cones)#230E130.017
Achromatopsia (no color)#1414140.040

Harmonies

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

Complementary

The opposite hue (180°).

  • #210E1B

    #210E1B

    oklch(19.8% 0.039 340.1)

  • #031B0F

    #031B0F

    oklch(19.8% 0.04 159.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210E1B

    #210E1B

    oklch(19.8% 0.039 340.1)

  • #1B1023

    #1B1023

    oklch(19.8% 0.04 309.8)

  • #240D11

    #240D11

    oklch(19.7% 0.039 10.4)

Open the analogous palette in the generator

Split complementary

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

  • #210E1B

    #210E1B

    oklch(19.8% 0.039 340.1)

  • #101905

    #101905

    oklch(19.8% 0.04 128.9)

  • #001A19

    #001A19

    oklch(19.7% 0.034 191.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210E1B

    #210E1B

    oklch(19.8% 0.039 340.1)

  • #1A1601

    #1A1601

    oklch(19.9% 0.039 100)

  • #001921

    #001921

    oklch(19.8% 0.036 221.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210E1B

    #210E1B

    oklch(19.8% 0.039 340.1)

  • #211202

    #211202

    oklch(19.9% 0.039 68.6)

  • #031B0F

    #031B0F

    oklch(19.8% 0.04 159.3)

  • #071626

    #071626

    oklch(19.6% 0.039 251.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210E1B, closest first.

Similar named colors

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

Use #210E1B 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.