#19190B

Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.025 108.4), rgb(25, 25, 11).

Aa

White text reads best on this color (17.71:1).

About this color

#19190B is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.058 away. White text reads best on it, at 17.71:1.

Hue familyNeutrals
Lightnessvery dark (21%)
Chromaclose to neutral grey (0.025)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.71:1

Values

HEX#19190B
RGBrgb(25, 25, 11)
HSLhsl(60, 39%, 7%)
OKLCHoklch(20.9% 0.025 108.4)

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 #19190B 17.71:1 AAA Lc -106.7 Preferred for body text
Black text on #19190B 1.18:1 Fails Lc 0.0 Not readable
#19190B text on white 17.71:1 AAA Lc 104.5 Preferred for body text
#19190B text on black 1.18:1 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

    #F5F6F3

    oklch(97.2% 0.004 121.6)

  2. Step 100

    100

    #EAEAE4

    oklch(93.5% 0.008 106.6)

  3. Step 200

    200

    #DADACE

    oklch(88.5% 0.016 106.7)

  4. Step 300

    300

    #C2C2AD

    oklch(80.8% 0.029 107)

  5. Step 400

    400

    #A3A381

    oklch(70.6% 0.047 107.6)

  6. Step 500

    500

    #8C8D61

    oklch(63.1% 0.062 109.1)

  7. Step 600

    600

    #777748

    oklch(55.8% 0.067 108.4)

  8. Step 700

    700

    #646439

    oklch(49.2% 0.062 108.5)

  9. Step 800

    800

    #51512F

    oklch(42.6% 0.051 108.4)

  10. Step 900

    900

    #43432A

    oklch(37.6% 0.04 108.2)

  11. Step 950

    950 (this color)

    #19190B

    oklch(20.9% 0.025 108.4)

Export this scale for Tailwind in the Tailwind colors tool

#19190B 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)#1B180A0.005
Deuteranopia (no green cones)#1B180C0.006
Tritanopia (no blue cones)#1B17160.024
Achromatopsia (no color)#1818180.025

Harmonies

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

Complementary

The opposite hue (180°).

  • #19190B

    #19190B

    oklch(20.9% 0.025 108.4)

  • #171623

    #171623

    oklch(20.8% 0.026 287.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #19190B

    #19190B

    oklch(20.9% 0.025 108.4)

  • #1E170A

    #1E170A

    oklch(20.9% 0.026 82)

  • #121B10

    #121B10

    oklch(20.9% 0.025 140)

Open the analogous palette in the generator

Split complementary

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

  • #19190B

    #19190B

    oklch(20.9% 0.025 108.4)

  • #111824

    #111824

    oklch(20.8% 0.026 260.9)

  • #1D1420

    #1D1420

    oklch(20.8% 0.027 317.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #19190B

    #19190B

    oklch(20.9% 0.025 108.4)

  • #0B1A21

    #0B1A21

    oklch(20.8% 0.025 229.7)

  • #21131A

    #21131A

    oklch(20.9% 0.026 348.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #19190B

    #19190B

    oklch(20.9% 0.025 108.4)

  • #081C1C

    #081C1C

    oklch(21% 0.026 195.4)

  • #171623

    #171623

    oklch(20.8% 0.026 287.5)

  • #231314

    #231314

    oklch(20.9% 0.027 15.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #19190B, closest first.

Similar named colors

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

Use #19190B 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.