#2A1810

Closest named color: Dark Brown (#341C02). oklch(23.1% 0.033 44.7), rgb(42, 24, 16).

Aa

White text reads best on this color (16.98:1).

About this color

#2A1810 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.033 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.034 away. White text reads best on it, at 16.98:1.

Hue familyBrowns
Lightnessvery dark (23%)
Chromamuted (0.033)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.23:1
White text16.98:1

Values

HEX#2A1810
RGBrgb(42, 24, 16)
HSLhsl(18, 45%, 11%)
OKLCHoklch(23.1% 0.033 44.7)

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 #2A1810 16.98:1 AAA Lc -106.2 Preferred for body text
Black text on #2A1810 1.23:1 Fails Lc 0.0 Not readable
#2A1810 text on white 16.98:1 AAA Lc 103.8 Preferred for body text
#2A1810 text on black 1.23:1 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

    #F9F4F3

    oklch(97.1% 0.006 31.1)

  2. Step 100

    100

    #F1E8E4

    oklch(93.7% 0.011 45.7)

  3. Step 200

    200

    #E6D5CE

    oklch(88.5% 0.021 43.8)

  4. Step 300

    300

    #D7B9AD

    oklch(80.8% 0.038 43)

  5. Step 400

    400

    #C29581

    oklch(70.7% 0.062 45.1)

  6. Step 500

    500

    #B27A61

    oklch(63.1% 0.079 44.9)

  7. Step 600

    600

    #9D6248

    oklch(55.5% 0.086 44.3)

  8. Step 700

    700

    #865139

    oklch(49% 0.08 44.8)

  9. Step 800

    800

    #6D4330

    oklch(42.7% 0.066 44.9)

  10. Step 900

    900

    #59392A

    oklch(37.8% 0.052 45.8)

  11. Step 950

    950 (this color)

    #2A1810

    oklch(23.1% 0.033 44.7)

Export this scale for Tailwind in the Tailwind colors tool

#2A1810 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)#1D1A0F0.028
Deuteranopia (no green cones)#211E100.027
Tritanopia (no blue cones)#2E15160.019
Achromatopsia (no color)#1C1C1C0.033

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A1810

    #2A1810

    oklch(23.1% 0.033 44.7)

  • #092029

    #092029

    oklch(23% 0.033 226.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A1810

    #2A1810

    oklch(23.1% 0.033 44.7)

  • #2B1718

    #2B1718

    oklch(23.2% 0.033 16.6)

  • #261B0B

    #261B0B

    oklch(23.1% 0.032 75.4)

Open the analogous palette in the generator

Split complementary

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

  • #2A1810

    #2A1810

    oklch(23.1% 0.033 44.7)

  • #062222

    #062222

    oklch(23.1% 0.033 195.1)

  • #121E2C

    #121E2C

    oklch(23.1% 0.032 252.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A1810

    #2A1810

    oklch(23.1% 0.033 44.7)

  • #0D2219

    #0D2219

    oklch(23.1% 0.033 164)

  • #1B1B2C

    #1B1B2C

    oklch(23.1% 0.033 283.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A1810

    #2A1810

    oklch(23.1% 0.033 44.7)

  • #162111

    #162111

    oklch(23.2% 0.033 136.3)

  • #092029

    #092029

    oklch(23% 0.033 226.7)

  • #231828

    #231828

    oklch(23% 0.034 315)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A1810, closest first.

Similar named colors

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

Use #2A1810 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.