#291B05

Closest named color: Dark Brown (#341C02). oklch(23.5% 0.041 76.3), rgb(41, 27, 5).

Aa

White text reads best on this color (16.75:1).

About this color

#291B05 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.041 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.025 away. White text reads best on it, at 16.75:1.

Hue familyBrowns
Lightnessvery dark (23%)
Chromamuted (0.041)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.25:1
White text16.75:1

Values

HEX#291B05
RGBrgb(41, 27, 5)
HSLhsl(37, 78%, 9%)
OKLCHoklch(23.5% 0.041 76.3)

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 #291B05 16.75:1 AAA Lc -106.0 Preferred for body text
Black text on #291B05 1.25:1 Fails Lc 0.0 Not readable
#291B05 text on white 16.75:1 AAA Lc 103.6 Preferred for body text
#291B05 text on black 1.25:1 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

    #F8F5F1

    oklch(97.1% 0.006 75.4)

  2. Step 100

    100

    #EFE9E0

    oklch(93.6% 0.014 78.3)

  3. Step 200

    200

    #E4D7C6

    oklch(88.5% 0.027 74.7)

  4. Step 300

    300

    #D3BD9E

    oklch(80.9% 0.049 76.4)

  5. Step 400

    400

    #BD9A68

    oklch(70.7% 0.079 75.8)

  6. Step 500

    500

    #AC813D

    oklch(63.2% 0.1 76.6)

  7. Step 600

    600

    #976916

    oklch(55.5% 0.109 76.2)

  8. Step 700

    700

    #815704

    oklch(49% 0.102 75.9)

  9. Step 800

    800

    #69480C

    oklch(42.8% 0.084 76.4)

  10. Step 900

    900

    #553C14

    oklch(37.6% 0.065 75.9)

  11. Step 950

    950 (this color)

    #291B05

    oklch(23.5% 0.041 76.3)

Export this scale for Tailwind in the Tailwind colors tool

#291B05 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)#201C030.020
Deuteranopia (no green cones)#241F060.016
Tritanopia (no blue cones)#2D17160.035
Achromatopsia (no color)#1E1E1E0.041

Harmonies

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

Complementary

The opposite hue (180°).

  • #291B05

    #291B05

    oklch(23.5% 0.041 76.3)

  • #111E31

    #111E31

    oklch(23.4% 0.041 257.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #291B05

    #291B05

    oklch(23.5% 0.041 76.3)

  • #2E170C

    #2E170C

    oklch(23.4% 0.042 45.6)

  • #201F06

    #201F06

    oklch(23.4% 0.041 107)

Open the analogous palette in the generator

Split complementary

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

  • #291B05

    #291B05

    oklch(23.5% 0.041 76.3)

  • #03222D

    #03222D

    oklch(23.5% 0.041 225.7)

  • #1C1B31

    #1C1B31

    oklch(23.5% 0.042 284.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #291B05

    #291B05

    oklch(23.5% 0.041 76.3)

  • #002424

    #002424

    oklch(23.6% 0.04 194.8)

  • #26182B

    #26182B

    oklch(23.6% 0.041 316.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #291B05

    #291B05

    oklch(23.5% 0.041 76.3)

  • #06241A

    #06241A

    oklch(23.5% 0.041 167.4)

  • #111E31

    #111E31

    oklch(23.4% 0.041 257.8)

  • #2C1622

    #2C1622

    oklch(23.6% 0.041 346.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #291B05, closest first.

Similar named colors

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

Use #291B05 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.