#19111B

Closest named color: Rich Black (#0D1B2A). oklch(19.3% 0.023 319.5), rgb(25, 17, 27).

Aa

White text reads best on this color (18.46:1).

About this color

#19111B is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.043 away. White text reads best on it, at 18.46:1.

Hue familyNeutrals
Lightnessvery dark (19%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.13:1
White text18.46:1

Values

HEX#19111B
RGBrgb(25, 17, 27)
HSLhsl(288, 23%, 9%)
OKLCHoklch(19.3% 0.023 319.5)

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 #19111B 18.46:1 AAA Lc -107.2 Preferred for body text
Black text on #19111B 1.13:1 Fails Lc 0.0 Not readable
#19111B text on white 18.46:1 AAA Lc 105.1 Preferred for body text
#19111B 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

    #F6F5F7

    oklch(97.1% 0.003 308.4)

  2. Step 100

    100

    #ECE8ED

    oklch(93.6% 0.008 319.4)

  3. Step 200

    200

    #DED6E0

    oklch(88.5% 0.016 319.4)

  4. Step 300

    300

    #C9BBCC

    oklch(80.9% 0.028 320.3)

  5. Step 400

    400

    #AD98B2

    oklch(70.7% 0.044 319.7)

  6. Step 500

    500

    #997F9F

    oklch(63.2% 0.056 319.9)

  7. Step 600

    600

    #83688A

    oklch(55.6% 0.061 319.2)

  8. Step 700

    700

    #6F5675

    oklch(49% 0.057 319.7)

  9. Step 800

    800

    #5A475F

    oklch(42.7% 0.046 319.2)

  10. Step 900

    900

    #4A3B4E

    oklch(37.6% 0.037 319.1)

  11. Step 950

    950 (this color)

    #19111B

    oklch(19.3% 0.023 319.5)

Export this scale for Tailwind in the Tailwind colors tool

#19111B 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)#10131B0.019
Deuteranopia (no green cones)#12141B0.017
Tritanopia (no blue cones)#1912150.014
Achromatopsia (no color)#1414140.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #19111B

    #19111B

    oklch(19.3% 0.023 319.5)

  • #0F170D

    #0F170D

    oklch(19.3% 0.023 139.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #19111B

    #19111B

    oklch(19.3% 0.023 319.5)

  • #14131E

    #14131E

    oklch(19.3% 0.022 288.3)

  • #1C1016

    #1C1016

    oklch(19.2% 0.023 348.1)

Open the analogous palette in the generator

Split complementary

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

  • #19111B

    #19111B

    oklch(19.3% 0.023 319.5)

  • #151509

    #151509

    oklch(19.2% 0.022 108.3)

  • #091813

    #091813

    oklch(19.4% 0.023 170.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #19111B

    #19111B

    oklch(19.3% 0.023 319.5)

  • #1A1308

    #1A1308

    oklch(19.2% 0.023 78.3)

  • #071818

    #071818

    oklch(19.4% 0.023 195.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #19111B

    #19111B

    oklch(19.3% 0.023 319.5)

  • #1D110B

    #1D110B

    oklch(19.2% 0.023 47.5)

  • #0F170D

    #0F170D

    oklch(19.3% 0.023 139.4)

  • #09161D

    #09161D

    oklch(19.2% 0.023 233.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #19111B, closest first.

Similar named colors

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

Use #19111B 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.