#210F1D

Closest named color: Rich Black (#0D1B2A). oklch(20.1% 0.039 335.6), rgb(33, 15, 29).

Aa

White text reads best on this color (18.24:1).

About this color

#210F1D is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.039 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.053 away. White text reads best on it, at 18.24:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamuted (0.039)
Temperaturewarm
Nearest nameRich Black (#0D1B2A)
Black text1.15:1
White text18.24:1

Values

HEX#210F1D
RGBrgb(33, 15, 29)
HSLhsl(313, 38%, 9%)
OKLCHoklch(20.1% 0.039 335.6)

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 #210F1D 18.24:1 AAA Lc -107.0 Preferred for body text
Black text on #210F1D 1.15:1 Fails Lc 0.0 Not readable
#210F1D text on white 18.24:1 AAA Lc 104.8 Preferred for body text
#210F1D 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

    #F0E7ED

    oklch(93.7% 0.013 337.5)

  3. Step 200

    200

    #E5D3E0

    oklch(88.5% 0.026 335.5)

  4. Step 300

    300

    #D4B6CC

    oklch(80.9% 0.045 335.5)

  5. Step 400

    400

    #BE8FB2

    oklch(70.6% 0.074 335.8)

  6. Step 500

    500

    #AD739F

    oklch(63% 0.094 335.8)

  7. Step 600

    600

    #985B8A

    oklch(55.6% 0.102 335.8)

  8. Step 700

    700

    #824B75

    oklch(49.2% 0.094 336.2)

  9. Step 800

    800

    #693D60

    oklch(42.6% 0.079 334.8)

  10. Step 900

    900

    #56354E

    oklch(37.8% 0.06 336)

  11. Step 950

    950 (this color)

    #210F1D

    oklch(20.1% 0.039 335.6)

Export this scale for Tailwind in the Tailwind colors tool

#210F1D 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)#0F131E0.039
Deuteranopia (no green cones)#14161C0.035
Tritanopia (no blue cones)#2310140.020
Achromatopsia (no color)#1515150.039

Harmonies

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

Complementary

The opposite hue (180°).

  • #210F1D

    #210F1D

    oklch(20.1% 0.039 335.6)

  • #051B0E

    #051B0E

    oklch(19.9% 0.039 155.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210F1D

    #210F1D

    oklch(20.1% 0.039 335.6)

  • #1B1124

    #1B1124

    oklch(20.1% 0.039 307.4)

  • #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°).

  • #210F1D

    #210F1D

    oklch(20.1% 0.039 335.6)

  • #121905

    #121905

    oklch(20% 0.038 125.2)

  • #001B18

    #001B18

    oklch(20% 0.035 185)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210F1D

    #210F1D

    oklch(20.1% 0.039 335.6)

  • #1C1601

    #1C1601

    oklch(20.2% 0.039 95.1)

  • #001A20

    #001A20

    oklch(20% 0.035 214.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210F1D

    #210F1D

    oklch(20.1% 0.039 335.6)

  • #221203

    #221203

    oklch(20.1% 0.038 64.4)

  • #051B0E

    #051B0E

    oklch(19.9% 0.039 155.4)

  • #061827

    #061827

    oklch(20.2% 0.039 245.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210F1D, closest first.

Similar named colors

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

Use #210F1D 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.