#291B18

Closest named color: Jet (#212529). oklch(23.9% 0.023 32.4), rgb(41, 27, 24).

Aa

White text reads best on this color (16.61:1).

About this color

#291B18 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.039 away. White text reads best on it, at 16.61:1.

Hue familyNeutrals
Lightnessvery dark (24%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.26:1
White text16.61:1

Values

HEX#291B18
RGBrgb(41, 27, 24)
HSLhsl(11, 26%, 13%)
OKLCHoklch(23.9% 0.023 32.4)

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 #291B18 16.61:1 AAA Lc -106.0 Preferred for body text
Black text on #291B18 1.26:1 Fails Lc 0.0 Not readable
#291B18 text on white 16.61:1 AAA Lc 103.5 Preferred for body text
#291B18 text on black 1.26:1 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

    #F8F5F4

    oklch(97.2% 0.003 39.5)

  2. Step 100

    100

    #EFE8E6

    oklch(93.6% 0.008 36.6)

  3. Step 200

    200

    #E3D6D3

    oklch(88.6% 0.015 33.1)

  4. Step 300

    300

    #D2BBB6

    oklch(81% 0.027 32.3)

  5. Step 400

    400

    #BA978F

    oklch(70.6% 0.044 33.1)

  6. Step 500

    500

    #A97D74

    oklch(63.1% 0.057 31.8)

  7. Step 600

    600

    #94665D

    oklch(55.6% 0.062 31.4)

  8. Step 700

    700

    #7E554C

    oklch(49.2% 0.057 32.9)

  9. Step 800

    800

    #66463F

    oklch(42.8% 0.046 32.7)

  10. Step 900

    900

    #533B35

    oklch(37.7% 0.036 34.5)

  11. Step 950

    950 (this color)

    #291B18

    oklch(23.9% 0.023 32.4)

Export this scale for Tailwind in the Tailwind colors tool

#291B18 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)#1E1D180.023
Deuteranopia (no green cones)#211F180.020
Tritanopia (no blue cones)#2C191A0.011
Achromatopsia (no color)#1E1E1E0.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #291B18

    #291B18

    oklch(23.9% 0.023 32.4)

  • #112225

    #112225

    oklch(23.8% 0.023 209.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #291B18

    #291B18

    oklch(23.9% 0.023 32.4)

  • #291A1E

    #291A1E

    oklch(23.9% 0.025 1.6)

  • #271D14

    #271D14

    oklch(24% 0.023 63.4)

Open the analogous palette in the generator

Split complementary

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

  • #291B18

    #291B18

    oklch(23.9% 0.023 32.4)

  • #122320

    #122320

    oklch(24% 0.024 181.8)

  • #152029

    #152029

    oklch(23.7% 0.023 243.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #291B18

    #291B18

    oklch(23.9% 0.023 32.4)

  • #17221A

    #17221A

    oklch(23.9% 0.022 153)

  • #1B1E2A

    #1B1E2A

    oklch(23.8% 0.024 273.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #291B18

    #291B18

    oklch(23.9% 0.023 32.4)

  • #1D2115

    #1D2115

    oklch(24% 0.023 123.1)

  • #112225

    #112225

    oklch(23.8% 0.023 209.9)

  • #211C28

    #211C28

    oklch(23.8% 0.024 303.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #291B18, closest first.

Similar named colors

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

Use #291B18 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.