#231D03

Closest named color: Dark Brown (#341C02). oklch(23.1% 0.043 96.7), rgb(35, 29, 3).

Aa

White text reads best on this color (16.81:1).

About this color

#231D03 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.043 and its hue 97°. 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 16.81:1.

Hue familyBrowns
Lightnessvery dark (23%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.24:1
White text16.81:1

Values

HEX#231D03
RGBrgb(35, 29, 3)
HSLhsl(49, 84%, 7%)
OKLCHoklch(23.1% 0.043 96.7)

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 #231D03 16.81:1 AAA Lc -106.1 Preferred for body text
Black text on #231D03 1.24:1 Fails Lc 0.0 Not readable
#231D03 text on white 16.81:1 AAA Lc 103.7 Preferred for body text
#231D03 text on black 1.24:1 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

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DEDAC5

    oklch(88.6% 0.028 98.1)

  4. Step 300

    300

    #CAC19C

    oklch(80.9% 0.051 95.9)

  5. Step 400

    400

    #AFA165

    oklch(70.7% 0.081 96.6)

  6. Step 500

    500

    #9B8937

    oklch(63% 0.104 96.9)

  7. Step 600

    600

    #867206

    oklch(55.5% 0.113 96.6)

  8. Step 700

    700

    #716000

    oklch(49.1% 0.101 97)

  9. Step 800

    800

    #5D4E02

    oklch(42.6% 0.087 96.1)

  10. Step 900

    900

    #4C4110

    oklch(37.6% 0.067 96.2)

  11. Step 950

    950 (this color)

    #231D03

    oklch(23.1% 0.043 96.7)

Export this scale for Tailwind in the Tailwind colors tool

#231D03 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)#211C010.007
Deuteranopia (no green cones)#231E040.003
Tritanopia (no blue cones)#271A180.040
Achromatopsia (no color)#1D1D1D0.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #231D03

    #231D03

    oklch(23.1% 0.043 96.7)

  • #181B31

    #181B31

    oklch(23.1% 0.043 276.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #231D03

    #231D03

    oklch(23.1% 0.043 96.7)

  • #2B1905

    #2B1905

    oklch(23.3% 0.043 66.6)

  • #182109

    #182109

    oklch(23.2% 0.043 126.6)

Open the analogous palette in the generator

Split complementary

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

  • #231D03

    #231D03

    oklch(23.1% 0.043 96.7)

  • #0A1F30

    #0A1F30

    oklch(23.2% 0.043 245.6)

  • #22172D

    #22172D

    oklch(23% 0.044 306.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #231D03

    #231D03

    oklch(23.1% 0.043 96.7)

  • #00222A

    #00222A

    oklch(23.2% 0.041 216.8)

  • #2A1525

    #2A1525

    oklch(23.2% 0.043 336.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #231D03

    #231D03

    oklch(23.1% 0.043 96.7)

  • #002320

    #002320

    oklch(23.1% 0.04 186.5)

  • #181B31

    #181B31

    oklch(23.1% 0.043 276.6)

  • #2E141A

    #2E141A

    oklch(23.2% 0.043 6.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #231D03, closest first.

Similar named colors

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

Use #231D03 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.