#190B20

Closest named color: Rich Black (#0D1B2A). oklch(18.2% 0.046 313.4), rgb(25, 11, 32).

Aa

White text reads best on this color (18.91:1).

About this color

#190B20 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.046 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.056 away. White text reads best on it, at 18.91:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.046)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.11:1
White text18.91:1

Values

HEX#190B20
RGBrgb(25, 11, 32)
HSLhsl(280, 49%, 8%)
OKLCHoklch(18.2% 0.046 313.4)

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 #190B20 18.91:1 AAA Lc -107.3 Preferred for body text
Black text on #190B20 1.11:1 Fails Lc 0.0 Not readable
#190B20 text on white 18.91:1 AAA Lc 105.3 Preferred for body text
#190B20 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

    #EEE7F1

    oklch(93.6% 0.015 316)

  3. Step 200

    200

    #E0D4E7

    oklch(88.5% 0.029 313.3)

  4. Step 300

    300

    #CDB7DA

    oklch(80.9% 0.054 313)

  5. Step 400

    400

    #B491C7

    oklch(70.8% 0.086 313.5)

  6. Step 500

    500

    #A175B9

    oklch(63.2% 0.11 313.1)

  7. Step 600

    600

    #8C5CA5

    oklch(55.6% 0.121 313.3)

  8. Step 700

    700

    #774C8D

    oklch(49.2% 0.111 313.4)

  9. Step 800

    800

    #613E72

    oklch(42.6% 0.093 314)

  10. Step 900

    900

    #4F355C

    oklch(37.6% 0.072 313.8)

  11. Step 950

    950 (this color)

    #190B20

    oklch(18.2% 0.046 313.4)

Export this scale for Tailwind in the Tailwind colors tool

#190B20 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)#0710210.038
Deuteranopia (no green cones)#0A111F0.035
Tritanopia (no blue cones)#180E130.032
Achromatopsia (no color)#1111110.046

Harmonies

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

Complementary

The opposite hue (180°).

  • #190B20

    #190B20

    oklch(18.2% 0.046 313.4)

  • #091602

    #091602

    oklch(18.2% 0.045 134)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #190B20

    #190B20

    oklch(18.2% 0.046 313.4)

  • #100E25

    #100E25

    oklch(18.1% 0.046 284.8)

  • #1F0917

    #1F0917

    oklch(18.2% 0.044 343.4)

Open the analogous palette in the generator

Split complementary

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

  • #190B20

    #190B20

    oklch(18.2% 0.046 313.4)

  • #151200

    #151200

    oklch(18% 0.038 102.1)

  • #00170D

    #00170D

    oklch(18.1% 0.039 163.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #190B20

    #190B20

    oklch(18.2% 0.046 313.4)

  • #1C0F00

    #1C0F00

    oklch(18.2% 0.039 74.2)

  • #001616

    #001616

    oklch(18.1% 0.031 194.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #190B20

    #190B20

    oklch(18.2% 0.046 313.4)

  • #220A02

    #220A02

    oklch(18.2% 0.046 44)

  • #091602

    #091602

    oklch(18.2% 0.045 134)

  • #00151D

    #00151D

    oklch(18.2% 0.034 223.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #190B20, closest first.

Similar named colors

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

Use #190B20 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.