#190A21

Closest named color: Very Dark Purple (#2A0134). oklch(18% 0.049 312.6), rgb(25, 10, 33).

Aa

White text reads best on this color (18.97:1).

About this color

#190A21 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.049 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.058 away. White text reads best on it, at 18.97:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.049)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.10:1
White text18.97:1

Values

HEX#190A21
RGBrgb(25, 10, 33)
HSLhsl(279, 53%, 8%)
OKLCHoklch(18% 0.049 312.6)

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 #190A21 18.97:1 AAA Lc -107.3 Preferred for body text
Black text on #190A21 1.10:1 Fails Lc 0.0 Not readable
#190A21 text on white 18.97:1 AAA Lc 105.3 Preferred for body text
#190A21 text on black 1.10:1 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

    #F7F4F9

    oklch(97.1% 0.007 312.3)

  2. Step 100

    100

    #EEE7F2

    oklch(93.7% 0.016 313.6)

  3. Step 200

    200

    #E1D3E9

    oklch(88.5% 0.033 313.5)

  4. Step 300

    300

    #CEB6DC

    oklch(80.9% 0.059 313.1)

  5. Step 400

    400

    #B590CB

    oklch(70.8% 0.093 312.5)

  6. Step 500

    500

    #A273BD

    oklch(63.1% 0.119 312.5)

  7. Step 600

    600

    #8D5AA9

    oklch(55.6% 0.13 312.6)

  8. Step 700

    700

    #784A91

    oklch(49.2% 0.12 312.6)

  9. Step 800

    800

    #623D76

    oklch(42.8% 0.1 312.8)

  10. Step 900

    900

    #50345F

    oklch(37.7% 0.079 313)

  11. Step 950

    950 (this color)

    #190A21

    oklch(18% 0.049 312.6)

Export this scale for Tailwind in the Tailwind colors tool

#190A21 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)#0510220.042
Deuteranopia (no green cones)#0911200.038
Tritanopia (no blue cones)#180E140.033
Achromatopsia (no color)#1010100.050

Harmonies

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

Complementary

The opposite hue (180°).

  • #190A21

    #190A21

    oklch(18% 0.049 312.6)

  • #091600

    #091600

    oklch(18.1% 0.05 131.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #190A21

    #190A21

    oklch(18% 0.049 312.6)

  • #0F0E26

    #0F0E26

    oklch(18.1% 0.048 282.3)

  • #200717

    #200717

    oklch(18% 0.05 343.8)

Open the analogous palette in the generator

Split complementary

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

  • #190A21

    #190A21

    oklch(18% 0.049 312.6)

  • #151200

    #151200

    oklch(18% 0.038 102.1)

  • #00170C

    #00170C

    oklch(18.1% 0.04 161.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #190A21

    #190A21

    oklch(18% 0.049 312.6)

  • #1C0E00

    #1C0E00

    oklch(18% 0.039 70.9)

  • #001615

    #001615

    oklch(18.1% 0.031 191)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #190A21

    #190A21

    oklch(18% 0.049 312.6)

  • #230801

    #230801

    oklch(18% 0.05 41.8)

  • #091600

    #091600

    oklch(18.1% 0.05 131.9)

  • #00151C

    #00151C

    oklch(18.1% 0.033 220.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #190A21, closest first.

Similar named colors

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

Use #190A21 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.