#210F22

Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.045 325.2), rgb(33, 15, 34).

Aa

White text reads best on this color (18.16:1).

About this color

#210F22 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.045 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 18.16:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamuted (0.045)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.15:1
White text18.16:1

Values

HEX#210F22
RGBrgb(33, 15, 34)
HSLhsl(297, 39%, 10%)
OKLCHoklch(20.4% 0.045 325.2)

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 #210F22 18.16:1 AAA Lc -106.9 Preferred for body text
Black text on #210F22 1.15:1 Fails Lc 0.0 Not readable
#210F22 text on white 18.16:1 AAA Lc 104.8 Preferred for body text
#210F22 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

    #F8F4F8

    oklch(97.1% 0.007 325.6)

  2. Step 100

    100

    #EFE6F0

    oklch(93.5% 0.016 322.7)

  3. Step 200

    200

    #E4D3E4

    oklch(88.6% 0.029 325.8)

  4. Step 300

    300

    #D3B5D4

    oklch(80.9% 0.054 325.1)

  5. Step 400

    400

    #BC8EBE

    oklch(70.6% 0.086 325.1)

  6. Step 500

    500

    #AB72AE

    oklch(63.2% 0.109 325)

  7. Step 600

    600

    #965999

    oklch(55.6% 0.118 325.3)

  8. Step 700

    700

    #804983

    oklch(49.2% 0.11 325.2)

  9. Step 800

    800

    #683C6A

    oklch(42.7% 0.091 325.5)

  10. Step 900

    900

    #543456

    oklch(37.7% 0.07 324.8)

  11. Step 950

    950 (this color)

    #210F22

    oklch(20.4% 0.045 325.2)

Export this scale for Tailwind in the Tailwind colors tool

#210F22 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)#0D14230.042
Deuteranopia (no green cones)#1216210.038
Tritanopia (no blue cones)#2211160.027
Achromatopsia (no color)#1616160.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #210F22

    #210F22

    oklch(20.4% 0.045 325.2)

  • #081C09

    #081C09

    oklch(20.4% 0.045 144.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210F22

    #210F22

    oklch(20.4% 0.045 325.2)

  • #191229

    #191229

    oklch(20.4% 0.045 296.2)

  • #260D18

    #260D18

    oklch(20.3% 0.045 354.2)

Open the analogous palette in the generator

Split complementary

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

  • #210F22

    #210F22

    oklch(20.4% 0.045 325.2)

  • #161901

    #161901

    oklch(20.3% 0.044 115.7)

  • #001C16

    #001C16

    oklch(20.2% 0.038 176.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210F22

    #210F22

    oklch(20.4% 0.045 325.2)

  • #1F1500

    #1F1500

    oklch(20.3% 0.042 86.2)

  • #001B1E

    #001B1E

    oklch(20.3% 0.035 204.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210F22

    #210F22

    oklch(20.4% 0.045 325.2)

  • #261002

    #261002

    oklch(20.3% 0.045 54.4)

  • #081C09

    #081C09

    oklch(20.4% 0.045 144.7)

  • #001A28

    #001A28

    oklch(20.5% 0.043 234.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210F22, closest first.

Similar named colors

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

Use #210F22 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.