#231F02

Closest named color: Dark Brown (#341C02). oklch(23.7% 0.046 101.9), rgb(35, 31, 2).

Aa

White text reads best on this color (16.55:1).

About this color

#231F02 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.046 and its hue 102°. 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 16.55:1.

Hue familyBrowns
Lightnessvery dark (24%)
Chromamuted (0.046)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.26:1
White text16.55:1

Values

HEX#231F02
RGBrgb(35, 31, 2)
HSLhsl(53, 89%, 7%)
OKLCHoklch(23.7% 0.046 101.9)

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 #231F02 16.55:1 AAA Lc -105.9 Preferred for body text
Black text on #231F02 1.26:1 Fails Lc 0.0 Not readable
#231F02 text on white 16.55:1 AAA Lc 103.4 Preferred for body text
#231F02 text on black 1.26:1 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

    #F6F6F0

    oklch(97.1% 0.008 106.5)

  2. Step 100

    100

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DDDAC4

    oklch(88.5% 0.03 100.6)

  4. Step 300

    300

    #C7C29A

    oklch(80.8% 0.054 101.6)

  5. Step 400

    400

    #ABA360

    oklch(70.7% 0.089 102.4)

  6. Step 500

    500

    #978B2F

    oklch(63% 0.112 101.8)

  7. Step 600

    600

    #817500

    oklch(55.6% 0.117 102.3)

  8. Step 700

    700

    #6D6200

    oklch(49.1% 0.103 101.8)

  9. Step 800

    800

    #595000

    oklch(42.7% 0.089 102)

  10. Step 900

    900

    #4A4309

    oklch(37.9% 0.074 102)

  11. Step 950

    950 (this color)

    #231F02

    oklch(23.7% 0.046 101.9)

Export this scale for Tailwind in the Tailwind colors tool

#231F02 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)#231E000.004
Deuteranopia (no green cones)#241F030.003
Tritanopia (no blue cones)#271C190.043
Achromatopsia (no color)#1F1F1F0.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #231F02

    #231F02

    oklch(23.7% 0.046 101.9)

  • #1B1B34

    #1B1B34

    oklch(23.6% 0.047 282.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #231F02

    #231F02

    oklch(23.7% 0.046 101.9)

  • #2C1A03

    #2C1A03

    oklch(23.6% 0.046 70.4)

  • #16230A

    #16230A

    oklch(23.7% 0.047 131.9)

Open the analogous palette in the generator

Split complementary

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

  • #231F02

    #231F02

    oklch(23.7% 0.046 101.9)

  • #0D1F34

    #0D1F34

    oklch(23.6% 0.047 253.6)

  • #26182E

    #26182E

    oklch(23.8% 0.045 312.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #231F02

    #231F02

    oklch(23.7% 0.046 101.9)

  • #00232D

    #00232D

    oklch(23.7% 0.044 221.1)

  • #2D1525

    #2D1525

    oklch(23.7% 0.047 340.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #231F02

    #231F02

    oklch(23.7% 0.046 101.9)

  • #002423

    #002423

    oklch(23.5% 0.04 192)

  • #1B1B34

    #1B1B34

    oklch(23.6% 0.047 282.1)

  • #311419

    #311419

    oklch(23.6% 0.047 10.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #231F02, closest first.

Similar named colors

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

Use #231F02 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.