#231900
Closest named color: Dark Brown (#341C02). oklch(22% 0.045 88.5), rgb(35, 25, 0).
Aa
White text reads best on this color (17.34:1).
About this color
#231900 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.045 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.041 away. White text reads best on it, at 17.34:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.21:1 |
| White text | 17.34:1 |
Values
| HEX | #231900 |
| RGB | rgb(35, 25, 0) |
| HSL | hsl(43, 100%, 7%) |
| OKLCH | oklch(22% 0.045 88.5) |
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 #231900 | 17.34:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #231900 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #231900 text on white | 17.34:1 | AAA | Lc 104.1 | Preferred for body text |
| #231900 text on black | 1.21:1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEEADF
oklch(93.7% 0.015 90.2)
-
Step 200
200
#E1D9C4
oklch(88.6% 0.029 89.6)
-
Step 300
300
#CFBF9A
oklch(80.9% 0.053 87.4)
-
Step 400
400
#B69E61
oklch(70.7% 0.085 88.7)
-
Step 500
500
#A48530
oklch(63% 0.108 88.5)
-
Step 600
600
#8E6F00
oklch(55.6% 0.114 89.2)
-
Step 700
700
#785D00
oklch(49.2% 0.101 88.9)
-
Step 800
800
#624C00
oklch(42.8% 0.087 89.5)
-
Step 900
900
#513F0A
oklch(37.7% 0.071 88.5)
-
Step 950
950 (this color)
#231900
oklch(22% 0.045 88.5)
#231900 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) | #1E1900 | 0.011 |
| Deuteranopia (no green cones) | #201B01 | 0.009 |
| Tritanopia (no blue cones) | #271514 | 0.042 |
| Achromatopsia (no color) | #1A1A1A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231900
#231900
oklch(22% 0.045 88.5)
- #12192F
#12192F
oklch(21.9% 0.044 269.2)
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 #231900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.068
- Jet #212529 ΔE 0.069
- Dark Forest Green #002D04 ΔE 0.079
- Very Dark Green #062E03 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.080
- Dark #1B2431 ΔE 0.082
- Very Dark Brown #1D0200 ΔE 0.082
Use #231900 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.