#2B1F09

Closest named color: Dark Brown (#341C02). oklch(24.8% 0.039 80.4), rgb(43, 31, 9).

Aa

White text reads best on this color (16.12:1).

About this color

#2B1F09 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.039 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.020 away. White text reads best on it, at 16.12:1.

Hue familyBrowns
Lightnessvery dark (25%)
Chromamuted (0.039)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.30:1
White text16.12:1

Values

HEX#2B1F09
RGBrgb(43, 31, 9)
HSLhsl(39, 65%, 10%)
OKLCHoklch(24.8% 0.039 80.4)

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 #2B1F09 16.12:1 AAA Lc -105.6 Preferred for body text
Black text on #2B1F09 1.30:1 Fails Lc 0.0 Not readable
#2B1F09 text on white 16.12:1 AAA Lc 103.0 Preferred for body text
#2B1F09 text on black 1.30:1 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

    #E2D8C6

    oklch(88.5% 0.027 82.4)

  4. Step 300

    300

    #D1BE9F

    oklch(80.9% 0.047 80)

  5. Step 400

    400

    #B99C6A

    oklch(70.7% 0.075 80.7)

  6. Step 500

    500

    #A78341

    oklch(63.1% 0.095 80.7)

  7. Step 600

    600

    #936C1D

    oklch(55.7% 0.104 80.4)

  8. Step 700

    700

    #7D5A0E

    oklch(49.2% 0.096 80.6)

  9. Step 800

    800

    #664911

    oklch(42.7% 0.08 79.2)

  10. Step 900

    900

    #533E16

    oklch(37.8% 0.063 80.8)

  11. Step 950

    950 (this color)

    #2B1F09

    oklch(24.8% 0.039 80.4)

Export this scale for Tailwind in the Tailwind colors tool

#2B1F09 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)#241F070.015
Deuteranopia (no green cones)#27220A0.012
Tritanopia (no blue cones)#2F1B1A0.035
Achromatopsia (no color)#2121210.039

Harmonies

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

Complementary

The opposite hue (180°).

  • #2B1F09

    #2B1F09

    oklch(24.8% 0.039 80.4)

  • #162134

    #162134

    oklch(24.7% 0.04 260.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2B1F09

    #2B1F09

    oklch(24.8% 0.039 80.4)

  • #301B0F

    #301B0F

    oklch(24.7% 0.039 49.9)

  • #22230B

    #22230B

    oklch(24.9% 0.04 111.1)

Open the analogous palette in the generator

Split complementary

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

  • #2B1F09

    #2B1F09

    oklch(24.8% 0.039 80.4)

  • #0A2530

    #0A2530

    oklch(25% 0.038 228.2)

  • #211E33

    #211E33

    oklch(24.9% 0.039 289.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2B1F09

    #2B1F09

    oklch(24.8% 0.039 80.4)

  • #032729

    #032729

    oklch(24.9% 0.04 200.4)

  • #2A1B2D

    #2A1B2D

    oklch(24.9% 0.039 320.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2B1F09

    #2B1F09

    oklch(24.8% 0.039 80.4)

  • #09271E

    #09271E

    oklch(24.7% 0.04 170)

  • #162134

    #162134

    oklch(24.7% 0.04 260.9)

  • #2F1924

    #2F1924

    oklch(24.8% 0.039 349)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B1F09, closest first.

Similar named colors

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

Use #2B1F09 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.