#190B22

Closest named color: Rich Black (#0D1B2A). oklch(18.3% 0.049 310.6), rgb(25, 11, 34).

Aa

White text reads best on this color (18.87:1).

About this color

#190B22 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.049 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.055 away. White text reads best on it, at 18.87:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.049)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.11:1
White text18.87:1

Values

HEX#190B22
RGBrgb(25, 11, 34)
HSLhsl(277, 51%, 9%)
OKLCHoklch(18.3% 0.049 310.6)

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 #190B22 18.87:1 AAA Lc -107.3 Preferred for body text
Black text on #190B22 1.11:1 Fails Lc 0.0 Not readable
#190B22 text on white 18.87:1 AAA Lc 105.3 Preferred for body text
#190B22 text on black 1.11:1 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

    #EDE7F2

    oklch(93.6% 0.016 310.1)

  3. Step 200

    200

    #E0D4E9

    oklch(88.6% 0.031 311)

  4. Step 300

    300

    #CCB7DD

    oklch(80.9% 0.057 309.9)

  5. Step 400

    400

    #B390CB

    oklch(70.6% 0.092 311.1)

  6. Step 500

    500

    #A074BE

    oklch(63.1% 0.118 310.7)

  7. Step 600

    600

    #8B5BAA

    oklch(55.6% 0.128 310.9)

  8. Step 700

    700

    #764B92

    oklch(49.2% 0.118 310.7)

  9. Step 800

    800

    #603E77

    oklch(42.8% 0.099 310.3)

  10. Step 900

    900

    #4E3560

    oklch(37.7% 0.077 309.9)

  11. Step 950

    950 (this color)

    #190B22

    oklch(18.3% 0.049 310.6)

Export this scale for Tailwind in the Tailwind colors tool

#190B22 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)#0610230.039
Deuteranopia (no green cones)#0911210.036
Tritanopia (no blue cones)#180F140.035
Achromatopsia (no color)#1111110.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #190B22

    #190B22

    oklch(18.3% 0.049 310.6)

  • #0B1600

    #0B1600

    oklch(18.3% 0.049 129.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #190B22

    #190B22

    oklch(18.3% 0.049 310.6)

  • #0F0F27

    #0F0F27

    oklch(18.4% 0.048 280.6)

  • #200819

    #200819

    oklch(18.3% 0.05 340.1)

Open the analogous palette in the generator

Split complementary

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

  • #190B22

    #190B22

    oklch(18.3% 0.049 310.6)

  • #161200

    #161200

    oklch(18.2% 0.038 99.5)

  • #00180C

    #00180C

    oklch(18.4% 0.042 160.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #190B22

    #190B22

    oklch(18.3% 0.049 310.6)

  • #1D0F00

    #1D0F00

    oklch(18.4% 0.039 71.9)

  • #001716

    #001716

    oklch(18.5% 0.032 191.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #190B22

    #190B22

    oklch(18.3% 0.049 310.6)

  • #230902

    #230902

    oklch(18.2% 0.048 41)

  • #0B1600

    #0B1600

    oklch(18.3% 0.049 129.4)

  • #00161D

    #00161D

    oklch(18.5% 0.034 220)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #190B22, closest first.

Similar named colors

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

Use #190B22 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.