#231B0D
Closest named color: Dark Brown (#341C02). oklch(22.8% 0.027 80.7), rgb(35, 27, 13).
Aa
White text reads best on this color (17.01:1).
About this color
#231B0D is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.039 away. White text reads best on it, at 17.01:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #231B0D |
| RGB | rgb(35, 27, 13) |
| HSL | hsl(38, 46%, 9%) |
| OKLCH | oklch(22.8% 0.027 80.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #231B0D | 17.01:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #231B0D | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #231B0D text on white | 17.01:1 | AAA | Lc 103.9 | Preferred for body text |
| #231B0D text on black | 1.23:1 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DFD8CC
oklch(88.4% 0.018 81.3)
-
Step 300
300
#CCBFAA
oklch(81% 0.032 79.9)
-
Step 400
400
#B29E7C
oklch(70.8% 0.053 80.8)
-
Step 500
500
#9E865B
oklch(63.2% 0.066 81.6)
-
Step 600
600
#896F40
oklch(55.6% 0.072 81.2)
-
Step 700
700
#745D32
oklch(49.1% 0.067 81.8)
-
Step 800
800
#5F4C2A
oklch(42.8% 0.056 80.9)
-
Step 900
900
#4E3F26
oklch(37.7% 0.044 79.6)
-
Step 950
950 (this color)
#231B0D
oklch(22.8% 0.027 80.7)
#231B0D 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) | #1E1B0C | 0.011 |
| Deuteranopia (no green cones) | #201D0D | 0.009 |
| Tritanopia (no blue cones) | #261918 | 0.024 |
| Achromatopsia (no color) | #1C1C1C | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231B0D
#231B0D
oklch(22.8% 0.027 80.7)
- #151D29
#151D29
oklch(22.9% 0.026 258.3)
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 #231B0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.039
- Jet #212529 ΔE 0.050
- Dark #1B2431 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.064
- Chocolate Brown #411900 ΔE 0.066
- Deep Brown #410200 ΔE 0.080
- Dark Maroon #3C0008 ΔE 0.081
- Rich Navy #001219 ΔE 0.081
Use #231B0D 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.