#210B1F

Closest named color: Very Dark Purple (#2A0134). oklch(19.4% 0.05 330.8), rgb(33, 11, 31).

Aa

White text reads best on this color (18.54:1).

About this color

#210B1F is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.050 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.053 away. White text reads best on it, at 18.54:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.050)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.13:1
White text18.54:1

Values

HEX#210B1F
RGBrgb(33, 11, 31)
HSLhsl(305, 50%, 9%)
OKLCHoklch(19.4% 0.05 330.8)

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 #210B1F 18.54:1 AAA Lc -107.1 Preferred for body text
Black text on #210B1F 1.13:1 Fails Lc 0.0 Not readable
#210B1F text on white 18.54:1 AAA Lc 105.0 Preferred for body text
#210B1F 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

    #F9F4F8

    oklch(97.2% 0.007 332.1)

  2. Step 100

    100

    #F1E6EF

    oklch(93.6% 0.017 331.6)

  3. Step 200

    200

    #E7D2E3

    oklch(88.6% 0.032 332.2)

  4. Step 300

    300

    #D8B3D3

    oklch(80.9% 0.06 330.6)

  5. Step 400

    400

    #C38BBC

    oklch(70.7% 0.094 330.9)

  6. Step 500

    500

    #B36DAB

    oklch(63.2% 0.121 331.1)

  7. Step 600

    600

    #9E5397

    oklch(55.6% 0.133 330.7)

  8. Step 700

    700

    #874381

    oklch(49.1% 0.124 330.6)

  9. Step 800

    800

    #6E3869

    oklch(42.8% 0.102 330.7)

  10. Step 900

    900

    #593155

    oklch(37.8% 0.079 330.7)

  11. Step 950

    950 (this color)

    #210B1F

    oklch(19.4% 0.05 330.8)

Export this scale for Tailwind in the Tailwind colors tool

#210B1F 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)#0A11200.050
Deuteranopia (no green cones)#10141E0.045
Tritanopia (no blue cones)#220D130.027
Achromatopsia (no color)#1313130.051

Harmonies

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

Complementary

The opposite hue (180°).

  • #210B1F

    #210B1F

    oklch(19.4% 0.05 330.8)

  • #011B08

    #011B08

    oklch(19.5% 0.051 150.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210B1F

    #210B1F

    oklch(19.4% 0.05 330.8)

  • #190E27

    #190E27

    oklch(19.3% 0.05 302.3)

  • #260913

    #260913

    oklch(19.4% 0.051 1.5)

Open the analogous palette in the generator

Split complementary

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

  • #210B1F

    #210B1F

    oklch(19.4% 0.05 330.8)

  • #121800

    #121800

    oklch(19.6% 0.047 121.1)

  • #001A16

    #001A16

    oklch(19.5% 0.035 181.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210B1F

    #210B1F

    oklch(19.4% 0.05 330.8)

  • #1B1400

    #1B1400

    oklch(19.4% 0.04 92.7)

  • #00191D

    #00191D

    oklch(19.5% 0.034 208.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210B1F

    #210B1F

    oklch(19.4% 0.05 330.8)

  • #230F00

    #230F00

    oklch(19.4% 0.045 60.8)

  • #011B08

    #011B08

    oklch(19.5% 0.051 150.5)

  • #001727

    #001727

    oklch(19.5% 0.045 240.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210B1F, closest first.

Similar named colors

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

Use #210B1F 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.