#131B0D

Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.029 132.6), rgb(19, 27, 13).

Aa

White text reads best on this color (17.64:1).

About this color

#131B0D is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.056 away. White text reads best on it, at 17.64:1.

Hue familyNeutrals
Lightnessvery dark (21%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.19:1
White text17.64:1

Values

HEX#131B0D
RGBrgb(19, 27, 13)
HSLhsl(94, 35%, 8%)
OKLCHoklch(20.9% 0.029 132.6)

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 #131B0D 17.64:1 AAA Lc -106.7 Preferred for body text
Black text on #131B0D 1.19:1 Fails Lc 0.0 Not readable
#131B0D text on white 17.64:1 AAA Lc 104.4 Preferred for body text
#131B0D text on black 1.19:1 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

    #F4F6F3

    oklch(97.1% 0.004 134.8)

  2. Step 100

    100

    #E7EBE5

    oklch(93.5% 0.009 134.9)

  3. Step 200

    200

    #D4DCCF

    oklch(88.5% 0.02 133.1)

  4. Step 300

    300

    #B8C6AF

    oklch(80.9% 0.035 133)

  5. Step 400

    400

    #94A885

    oklch(70.6% 0.054 132)

  6. Step 500

    500

    #799367

    oklch(63.1% 0.07 133)

  7. Step 600

    600

    #627D4E

    oklch(55.6% 0.076 132.7)

  8. Step 700

    700

    #51693F

    oklch(49% 0.07 132.7)

  9. Step 800

    800

    #435634

    oklch(42.8% 0.058 132.2)

  10. Step 900

    900

    #38472E

    oklch(37.7% 0.045 133.4)

  11. Step 950

    950 (this color)

    #131B0D

    oklch(20.9% 0.029 132.6)

Export this scale for Tailwind in the Tailwind colors tool

#131B0D 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)#1C190C0.017
Deuteranopia (no green cones)#1B180E0.019
Tritanopia (no blue cones)#131A170.020
Achromatopsia (no color)#1919190.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #131B0D

    #131B0D

    oklch(20.9% 0.029 132.6)

  • #1D1422

    #1D1422

    oklch(20.9% 0.03 313.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #131B0D

    #131B0D

    oklch(20.9% 0.029 132.6)

  • #1B1908

    #1B1908

    oklch(21.1% 0.03 102.7)

  • #0B1C14

    #0B1C14

    oklch(20.9% 0.028 162.2)

Open the analogous palette in the generator

Split complementary

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

  • #131B0D

    #131B0D

    oklch(20.9% 0.029 132.6)

  • #161625

    #161625

    oklch(20.8% 0.03 283.5)

  • #21131C

    #21131C

    oklch(20.9% 0.028 340.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #131B0D

    #131B0D

    oklch(20.9% 0.029 132.6)

  • #0E1925

    #0E1925

    oklch(20.9% 0.029 251.4)

  • #241214

    #241214

    oklch(20.8% 0.03 12.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #131B0D

    #131B0D

    oklch(20.9% 0.029 132.6)

  • #071B22

    #071B22

    oklch(20.9% 0.029 223.6)

  • #1D1422

    #1D1422

    oklch(20.9% 0.03 313.1)

  • #23140D

    #23140D

    oklch(20.9% 0.028 45.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #131B0D, closest first.

Similar named colors

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

Use #131B0D 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.