#231D09
Closest named color: Dark Brown (#341C02). oklch(23.2% 0.034 92.9), rgb(35, 29, 9).
Aa
White text reads best on this color (16.78:1).
About this color
#231D09 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.034 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.036 away. White text reads best on it, at 16.78:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.78:1 |
Values
| HEX | #231D09 |
| RGB | rgb(35, 29, 9) |
| HSL | hsl(46, 59%, 9%) |
| OKLCH | oklch(23.2% 0.034 92.9) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #231D09 | 16.78:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #231D09 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #231D09 text on white | 16.78:1 | AAA | Lc 103.7 | Preferred for body text |
| #231D09 text on black | 1.25:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DED9C9
oklch(88.5% 0.022 92.5)
-
Step 300
300
#C9C0A3
oklch(80.8% 0.041 92.8)
-
Step 400
400
#AEA072
oklch(70.6% 0.065 93.2)
-
Step 500
500
#9B884C
oklch(63.1% 0.083 92.3)
-
Step 600
600
#86722E
oklch(55.7% 0.09 92.8)
-
Step 700
700
#715F20
oklch(49% 0.084 92.9)
-
Step 800
800
#5C4E1D
oklch(42.7% 0.069 93.3)
-
Step 900
900
#4B411D
oklch(37.7% 0.055 94.1)
-
Step 950
950 (this color)
#231D09
oklch(23.2% 0.034 92.9)
#231D09 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) | #211C07 | 0.006 |
| Deuteranopia (no green cones) | #221E0A | 0.004 |
| Tritanopia (no blue cones) | #261A18 | 0.031 |
| Achromatopsia (no color) | #1D1D1D | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231D09
#231D09
oklch(23.2% 0.034 92.9)
- #181C2E
#181C2E
oklch(23.2% 0.035 273.8)
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 #231D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.036
- Jet #212529 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.065
- Dark #1B2431 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.070
- Dark Forest Green #002D04 ΔE 0.072
- Very Dark Green #062E03 ΔE 0.072
- Deep Brown #410200 ΔE 0.084
Use #231D09 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.