#210F1E

Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.04 333.3), rgb(33, 15, 30).

Aa

White text reads best on this color (18.23:1).

About this color

#210F1E is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.040 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.052 away. White text reads best on it, at 18.23:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamuted (0.040)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.15:1
White text18.23:1

Values

HEX#210F1E
RGBrgb(33, 15, 30)
HSLhsl(310, 38%, 9%)
OKLCHoklch(20.2% 0.04 333.3)

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 #210F1E 18.23:1 AAA Lc -107.0 Preferred for body text
Black text on #210F1E 1.15:1 Fails Lc 0.0 Not readable
#210F1E text on white 18.23:1 AAA Lc 104.8 Preferred for body text
#210F1E text on black 1.15:1 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

    #F0E7EE

    oklch(93.7% 0.013 333)

  3. Step 200

    200

    #E4D3E1

    oklch(88.5% 0.026 331.6)

  4. Step 300

    300

    #D4B6CE

    oklch(80.9% 0.047 332.8)

  5. Step 400

    400

    #BE8FB5

    oklch(70.7% 0.076 333.2)

  6. Step 500

    500

    #AD73A2

    oklch(63.1% 0.097 333.7)

  7. Step 600

    600

    #985B8D

    oklch(55.7% 0.104 333.7)

  8. Step 700

    700

    #814A78

    oklch(49% 0.098 333.2)

  9. Step 800

    800

    #693D62

    oklch(42.7% 0.081 332.9)

  10. Step 900

    900

    #563450

    oklch(37.7% 0.065 333.4)

  11. Step 950

    950 (this color)

    #210F1E

    oklch(20.2% 0.04 333.3)

Export this scale for Tailwind in the Tailwind colors tool

#210F1E 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)#0F141F0.039
Deuteranopia (no green cones)#13161D0.037
Tritanopia (no blue cones)#2310150.020
Achromatopsia (no color)#1515150.040

Harmonies

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

Complementary

The opposite hue (180°).

  • #210F1E

    #210F1E

    oklch(20.2% 0.04 333.3)

  • #061C0D

    #061C0D

    oklch(20.3% 0.041 151.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210F1E

    #210F1E

    oklch(20.2% 0.04 333.3)

  • #1A1125

    #1A1125

    oklch(20% 0.041 303.7)

  • #250E14

    #250E14

    oklch(20.2% 0.04 4.7)

Open the analogous palette in the generator

Split complementary

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

  • #210F1E

    #210F1E

    oklch(20.2% 0.04 333.3)

  • #131904

    #131904

    oklch(20.1% 0.04 122.6)

  • #001C18

    #001C18

    oklch(20.3% 0.036 182.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210F1E

    #210F1E

    oklch(20.2% 0.04 333.3)

  • #1D1601

    #1D1601

    oklch(20.3% 0.039 92.7)

  • #001A20

    #001A20

    oklch(20% 0.035 214.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210F1E

    #210F1E

    oklch(20.2% 0.04 333.3)

  • #231203

    #231203

    oklch(20.2% 0.039 62.5)

  • #061C0D

    #061C0D

    oklch(20.3% 0.041 151.9)

  • #041827

    #041827

    oklch(20.1% 0.04 243)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210F1E, closest first.

Similar named colors

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

Use #210F1E 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.