#181A02

Closest named color: Dark Brown (#341C02). oklch(20.9% 0.043 113.7), rgb(24, 26, 2).

Aa

White text reads best on this color (17.68:1).

About this color

#181A02 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.043 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.061 away. White text reads best on it, at 17.68:1.

Hue familyBrowns
Lightnessvery dark (21%)
Chromamuted (0.043)
Temperaturein between
Nearest nameDark Brown (#341C02)
Black text1.18:1
White text17.68:1

Values

HEX#181A02
RGBrgb(24, 26, 2)
HSLhsl(65, 86%, 5%)
OKLCHoklch(20.9% 0.043 113.7)

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 #181A02 17.68:1 AAA Lc -106.7 Preferred for body text
Black text on #181A02 1.18:1 Fails Lc 0.0 Not readable
#181A02 text on white 17.68:1 AAA Lc 104.4 Preferred for body text
#181A02 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

    #F5F6F1

    oklch(97.1% 0.007 115.7)

  2. Step 100

    100

    #E9EBE0

    oklch(93.6% 0.015 115)

  3. Step 200

    200

    #D8DCC7

    oklch(88.6% 0.029 115.7)

  4. Step 300

    300

    #C0C5A0

    oklch(81% 0.05 113.8)

  5. Step 400

    400

    #A0A76B

    oklch(70.8% 0.082 113.9)

  6. Step 500

    500

    #899041

    oklch(63% 0.103 113.6)

  7. Step 600

    600

    #737A1E

    oklch(55.6% 0.112 113.8)

  8. Step 700

    700

    #61670E

    oklch(49.2% 0.105 113.8)

  9. Step 800

    800

    #4F5411

    oklch(42.8% 0.087 113.8)

  10. Step 900

    900

    #414517

    oklch(37.6% 0.067 113.8)

  11. Step 950

    950 (this color)

    #181A02

    oklch(20.9% 0.043 113.7)

Export this scale for Tailwind in the Tailwind colors tool

#181A02 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)#1D18000.011
Deuteranopia (no green cones)#1D19030.011
Tritanopia (no blue cones)#1A18150.038
Achromatopsia (no color)#1818180.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #181A02

    #181A02

    oklch(20.9% 0.043 113.7)

  • #19142A

    #19142A

    oklch(21% 0.043 292.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #181A02

    #181A02

    oklch(20.9% 0.043 113.7)

  • #211600

    #211600

    oklch(20.9% 0.043 84.6)

  • #0B1D0B

    #0B1D0B

    oklch(20.9% 0.042 143.9)

Open the analogous palette in the generator

Split complementary

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

  • #181A02

    #181A02

    oklch(20.9% 0.043 113.7)

  • #0E172C

    #0E172C

    oklch(20.8% 0.044 265.3)

  • #211123

    #211123

    oklch(20.9% 0.042 322.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #181A02

    #181A02

    oklch(20.9% 0.043 113.7)

  • #011B28

    #011B28

    oklch(20.9% 0.042 233.1)

  • #270F19

    #270F19

    oklch(20.9% 0.043 355.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #181A02

    #181A02

    oklch(20.9% 0.043 113.7)

  • #001D1F

    #001D1F

    oklch(21% 0.036 201.2)

  • #19142A

    #19142A

    oklch(21% 0.043 292.8)

  • #290F0E

    #290F0E

    oklch(20.9% 0.044 23.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #181A02, closest first.

Similar named colors

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

Use #181A02 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.