#210A19

Closest named color: Very Dark Brown (#1D0200). oklch(18.9% 0.046 342.6), rgb(33, 10, 25).

Aa

White text reads best on this color (18.71:1).

About this color

#210A19 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.046 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.058 away. White text reads best on it, at 18.71:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.046)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.71:1

Values

HEX#210A19
RGBrgb(33, 10, 25)
HSLhsl(321, 53%, 8%)
OKLCHoklch(18.9% 0.046 342.6)

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 #210A19 18.71:1 AAA Lc -107.2 Preferred for body text
Black text on #210A19 1.12:1 Fails Lc 0.0 Not readable
#210A19 text on white 18.71:1 AAA Lc 105.1 Preferred for body text
#210A19 text on black 1.12:1 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

    #F9F4F7

    oklch(97.2% 0.007 340.4)

  2. Step 100

    100

    #F2E6ED

    oklch(93.6% 0.016 341.4)

  3. Step 200

    200

    #E8D2DE

    oklch(88.5% 0.029 343.6)

  4. Step 300

    300

    #DBB3CA

    oklch(80.9% 0.055 342.9)

  5. Step 400

    400

    #C78BAF

    oklch(70.7% 0.087 342.8)

  6. Step 500

    500

    #B86D9C

    oklch(63.2% 0.112 342.6)

  7. Step 600

    600

    #A35486

    oklch(55.7% 0.121 343.1)

  8. Step 700

    700

    #8B4472

    oklch(49.1% 0.113 342.5)

  9. Step 800

    800

    #71385D

    oklch(42.7% 0.094 342.3)

  10. Step 900

    900

    #5C314C

    oklch(37.8% 0.073 342.8)

  11. Step 950

    950 (this color)

    #210A19

    oklch(18.9% 0.046 342.6)

Export this scale for Tailwind in the Tailwind colors tool

#210A19 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)#0C10190.048
Deuteranopia (no green cones)#1214180.045
Tritanopia (no blue cones)#230A100.019
Achromatopsia (no color)#1212120.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #210A19

    #210A19

    oklch(18.9% 0.046 342.6)

  • #00190E

    #00190E

    oklch(18.9% 0.041 162.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210A19

    #210A19

    oklch(18.9% 0.046 342.6)

  • #1A0D22

    #1A0D22

    oklch(18.9% 0.045 311.3)

  • #24090E

    #24090E

    oklch(18.8% 0.046 11.2)

Open the analogous palette in the generator

Split complementary

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

  • #210A19

    #210A19

    oklch(18.9% 0.046 342.6)

  • #0B1802

    #0B1802

    oklch(19% 0.047 132.8)

  • #001817

    #001817

    oklch(18.9% 0.032 191.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210A19

    #210A19

    oklch(18.9% 0.046 342.6)

  • #171400

    #171400

    oklch(18.9% 0.04 102.6)

  • #00171F

    #00171F

    oklch(19% 0.035 222.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210A19

    #210A19

    oklch(18.9% 0.046 342.6)

  • #1E1000

    #1E1000

    oklch(18.8% 0.04 73)

  • #00190E

    #00190E

    oklch(18.9% 0.041 162.8)

  • #041427

    #041427

    oklch(18.9% 0.045 252.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210A19, closest first.

Similar named colors

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

Use #210A19 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.