#2B1100

Closest named color: Dark Brown (#341C02). oklch(21.3% 0.053 54.8), rgb(43, 17, 0).

Aa

White text reads best on this color (17.75:1).

About this color

#2B1100 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.053 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.041 away. White text reads best on it, at 17.75:1.

Hue familyBrowns
Lightnessvery dark (21%)
Chromamuted (0.053)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.18:1
White text17.75:1

Values

HEX#2B1100
RGBrgb(43, 17, 0)
HSLhsl(24, 100%, 8%)
OKLCHoklch(21.3% 0.053 54.8)

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 #2B1100 17.75:1 AAA Lc -106.6 Preferred for body text
Black text on #2B1100 1.18:1 Fails Lc 0.0 Not readable
#2B1100 text on white 17.75:1 AAA Lc 104.3 Preferred for body text
#2B1100 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

    #FAF4F0

    oklch(97.1% 0.008 56.3)

  2. Step 100

    100

    #F4E7DF

    oklch(93.6% 0.018 54)

  3. Step 200

    200

    #ECD4C4

    oklch(88.5% 0.034 55.9)

  4. Step 300

    300

    #E1B79B

    oklch(81% 0.062 55.4)

  5. Step 400

    400

    #D18F62

    oklch(70.6% 0.1 54.6)

  6. Step 500

    500

    #C47233

    oklch(63.2% 0.129 55)

  7. Step 600

    600

    #AF5900

    oklch(55.7% 0.138 55)

  8. Step 700

    700

    #934A00

    oklch(49.1% 0.121 55.1)

  9. Step 800

    800

    #7A3C00

    oklch(42.8% 0.106 54.9)

  10. Step 900

    900

    #63340D

    oklch(37.8% 0.084 55.2)

  11. Step 950

    950 (this color)

    #2B1100

    oklch(21.3% 0.053 54.8)

Export this scale for Tailwind in the Tailwind colors tool

#2B1100 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)#1914000.042
Deuteranopia (no green cones)#1F1A000.038
Tritanopia (no blue cones)#300B0D0.034
Achromatopsia (no color)#1818180.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #2B1100

    #2B1100

    oklch(21.3% 0.053 54.8)

  • #001C2B

    #001C2B

    oklch(21.4% 0.046 235.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2B1100

    #2B1100

    oklch(21.3% 0.053 54.8)

  • #2D0D0C

    #2D0D0C

    oklch(21.2% 0.053 24.5)

  • #221700

    #221700

    oklch(21.3% 0.044 85.3)

Open the analogous palette in the generator

Split complementary

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

  • #2B1100

    #2B1100

    oklch(21.3% 0.053 54.8)

  • #001E21

    #001E21

    oklch(21.4% 0.037 204.1)

  • #0D1831

    #0D1831

    oklch(21.4% 0.052 264.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2B1100

    #2B1100

    oklch(21.3% 0.053 54.8)

  • #001F18

    #001F18

    oklch(21.4% 0.04 175)

  • #1B132F

    #1B132F

    oklch(21.3% 0.054 294.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2B1100

    #2B1100

    oklch(21.3% 0.053 54.8)

  • #071F08

    #071F08

    oklch(21.3% 0.053 144.3)

  • #001C2B

    #001C2B

    oklch(21.4% 0.046 235.2)

  • #250F26

    #250F26

    oklch(21.3% 0.053 325.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B1100, closest first.

Similar named colors

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

Use #2B1100 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.