#231C02

Closest named color: Dark Brown (#341C02). oklch(22.8% 0.044 94.7), rgb(35, 28, 2).

Aa

White text reads best on this color (16.95:1).

About this color

#231C02 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.044 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.037 away. White text reads best on it, at 16.95:1.

Hue familyBrowns
Lightnessvery dark (23%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.23:1
White text16.95:1

Values

HEX#231C02
RGBrgb(35, 28, 2)
HSLhsl(47, 89%, 7%)
OKLCHoklch(22.8% 0.044 94.7)

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 #231C02 16.95:1 AAA Lc -106.2 Preferred for body text
Black text on #231C02 1.23:1 Fails Lc 0.0 Not readable
#231C02 text on white 16.95:1 AAA Lc 103.8 Preferred for body text
#231C02 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

    #F7F5F0

    oklch(97% 0.007 88.6)

  2. Step 100

    100

    #EDEADF

    oklch(93.6% 0.015 94.2)

  3. Step 200

    200

    #DFD9C4

    oklch(88.4% 0.029 93.8)

  4. Step 300

    300

    #CBC19B

    oklch(80.9% 0.052 95)

  5. Step 400

    400

    #B1A063

    oklch(70.7% 0.083 94.3)

  6. Step 500

    500

    #9E8835

    oklch(63.1% 0.105 94.3)

  7. Step 600

    600

    #897100

    oklch(55.5% 0.114 94.1)

  8. Step 700

    700

    #735F00

    oklch(49.1% 0.101 94.6)

  9. Step 800

    800

    #5E4E00

    oklch(42.8% 0.088 95.4)

  10. Step 900

    900

    #4D410E

    oklch(37.7% 0.069 95.3)

  11. Step 950

    950 (this color)

    #231C02

    oklch(22.8% 0.044 94.7)

Export this scale for Tailwind in the Tailwind colors tool

#231C02 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)#201B000.008
Deuteranopia (no green cones)#221D030.004
Tritanopia (no blue cones)#2719160.039
Achromatopsia (no color)#1C1C1C0.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #231C02

    #231C02

    oklch(22.8% 0.044 94.7)

  • #171B31

    #171B31

    oklch(23% 0.043 274.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #231C02

    #231C02

    oklch(22.8% 0.044 94.7)

  • #2A1804

    #2A1804

    oklch(22.8% 0.044 66.8)

  • #182007

    #182007

    oklch(22.9% 0.044 124.6)

Open the analogous palette in the generator

Split complementary

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

  • #231C02

    #231C02

    oklch(22.8% 0.044 94.7)

  • #081E2F

    #081E2F

    oklch(22.7% 0.043 244.7)

  • #21172D

    #21172D

    oklch(22.8% 0.043 304.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #231C02

    #231C02

    oklch(22.8% 0.044 94.7)

  • #002128

    #002128

    oklch(22.8% 0.04 214.6)

  • #291425

    #291425

    oklch(22.8% 0.045 334.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #231C02

    #231C02

    oklch(22.8% 0.044 94.7)

  • #00221F

    #00221F

    oklch(22.7% 0.04 186.3)

  • #171B31

    #171B31

    oklch(23% 0.043 274.7)

  • #2D131A

    #2D131A

    oklch(22.8% 0.044 4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #231C02, closest first.

Similar named colors

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

Use #231C02 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.