#231D00
Closest named color: Dark Brown (#341C02). oklch(23.1% 0.048 98.3), rgb(35, 29, 0).
Aa
White text reads best on this color (16.83:1).
About this color
#231D00 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.048 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.038 away. White text reads best on it, at 16.83:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.24:1 |
| White text | 16.83:1 |
Values
| HEX | #231D00 |
| RGB | rgb(35, 29, 0) |
| HSL | hsl(50, 100%, 7%) |
| OKLCH | oklch(23.1% 0.048 98.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #231D00 | 16.83:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #231D00 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #231D00 text on white | 16.83:1 | AAA | Lc 103.7 | Preferred for body text |
| #231D00 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.
-
Step 50
50
#F7F6F0
oklch(97.2% 0.008 98.9)
-
Step 100
100
#ECEADE
oklch(93.5% 0.016 99)
-
Step 200
200
#DEDAC3
oklch(88.5% 0.031 98.9)
-
Step 300
300
#CAC298
oklch(81% 0.057 98.5)
-
Step 400
400
#AFA15D
oklch(70.6% 0.09 98)
-
Step 500
500
#9C8A28
oklch(63.2% 0.116 98.5)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#706100
oklch(49.2% 0.102 98.7)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4C4204
oklch(37.8% 0.076 99.1)
-
Step 950
950 (this color)
#231D00
oklch(23.1% 0.048 98.3)
#231D00 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #211C00 | 0.006 |
| Deuteranopia (no green cones) | #231E01 | 0.003 |
| Tritanopia (no blue cones) | #271A17 | 0.043 |
| Achromatopsia (no color) | #1D1D1D | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231D00
#231D00
oklch(23.1% 0.048 98.3)
- #181A33
#181A33
oklch(23% 0.048 278.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #231D00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.038
- Jet #212529 ΔE 0.064
- Dark Forest Green #002D04 ΔE 0.066
- Very Dark Green #062E03 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.067
- Dark #1B2431 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.082
- Pakistan Green #283618 ΔE 0.086
Use #231D00 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.