#13111B

Closest named color: Rich Navy (#001219). oklch(18.5% 0.02 293.5), rgb(19, 17, 27).

Aa

White text reads best on this color (18.68:1).

About this color

#13111B is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.035 away. White text reads best on it, at 18.68:1.

Hue familyNeutrals
Lightnessvery dark (19%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.12:1
White text18.68:1

Values

HEX#13111B
RGBrgb(19, 17, 27)
HSLhsl(252, 23%, 9%)
OKLCHoklch(18.5% 0.02 293.5)

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 #13111B 18.68:1 AAA Lc -107.3 Preferred for body text
Black text on #13111B 1.12:1 Fails Lc 0.0 Not readable
#13111B text on white 18.68:1 AAA Lc 105.2 Preferred for body text
#13111B text on black 1.12:1 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

    #F5F5F7

    oklch(97.1% 0.003 286.4)

  2. Step 100

    100

    #EAE9EE

    oklch(93.6% 0.007 295.4)

  3. Step 200

    200

    #D9D8E1

    oklch(88.6% 0.012 291.3)

  4. Step 300

    300

    #C1BECF

    oklch(80.9% 0.024 294)

  5. Step 400

    400

    #A19CB7

    oklch(70.6% 0.039 293.9)

  6. Step 500

    500

    #8A84A5

    oklch(63% 0.049 293.3)

  7. Step 600

    600

    #746E90

    oklch(55.6% 0.053 292.7)

  8. Step 700

    700

    #625C7B

    oklch(49.2% 0.049 293.4)

  9. Step 800

    800

    #504B64

    oklch(42.8% 0.041 293.7)

  10. Step 900

    900

    #423F51

    oklch(37.8% 0.031 292.5)

  11. Step 950

    950 (this color)

    #13111B

    oklch(18.5% 0.02 293.5)

Export this scale for Tailwind in the Tailwind colors tool

#13111B 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)#0F121B0.008
Deuteranopia (no green cones)#0F121B0.008
Tritanopia (no blue cones)#1113140.019
Achromatopsia (no color)#1212120.021

Harmonies

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

Complementary

The opposite hue (180°).

  • #13111B

    #13111B

    oklch(18.5% 0.02 293.5)

  • #131409

    #131409

    oklch(18.6% 0.021 112.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #13111B

    #13111B

    oklch(18.5% 0.02 293.5)

  • #0E131C

    #0E131C

    oklch(18.6% 0.02 262)

  • #171018

    #171018

    oklch(18.6% 0.019 322.2)

Open the analogous palette in the generator

Split complementary

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

  • #13111B

    #13111B

    oklch(18.5% 0.02 293.5)

  • #171208

    #171208

    oklch(18.5% 0.021 84.3)

  • #0D150D

    #0D150D

    oklch(18.5% 0.02 144.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #13111B

    #13111B

    oklch(18.5% 0.02 293.5)

  • #1A100A

    #1A100A

    oklch(18.5% 0.021 52)

  • #091612

    #091612

    oklch(18.6% 0.02 172.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #13111B

    #13111B

    oklch(18.5% 0.02 293.5)

  • #1B0F0E

    #1B0F0E

    oklch(18.5% 0.021 24.6)

  • #131409

    #131409

    oklch(18.6% 0.021 112.6)

  • #071517

    #071517

    oklch(18.4% 0.02 207.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #13111B, closest first.

Similar named colors

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

Use #13111B 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.