#231D13
Closest named color: Dark Brown (#341C02). oklch(23.4% 0.02 80.2), rgb(35, 29, 19).
Aa
White text reads best on this color (16.71:1).
About this color
#231D13 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.040 away. White text reads best on it, at 16.71:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.71:1 |
Values
| HEX | #231D13 |
| RGB | rgb(35, 29, 19) |
| HSL | hsl(37, 30%, 11%) |
| OKLCH | oklch(23.4% 0.02 80.2) |
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 #231D13 | 16.71:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #231D13 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #231D13 text on white | 16.71:1 | AAA | Lc 103.6 | Preferred for body text |
| #231D13 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DED8CF
oklch(88.4% 0.014 78.3)
-
Step 300
300
#C9BFB0
oklch(80.9% 0.024 78.2)
-
Step 400
400
#AD9E86
oklch(70.6% 0.038 79.6)
-
Step 500
500
#998768
oklch(63.2% 0.049 81.1)
-
Step 600
600
#84704F
oklch(55.6% 0.054 79.8)
-
Step 700
700
#705E40
oklch(49.2% 0.05 79.9)
-
Step 800
800
#5B4D35
oklch(42.8% 0.041 80.7)
-
Step 900
900
#4B402E
oklch(37.8% 0.033 79.7)
-
Step 950
950 (this color)
#231D13
oklch(23.4% 0.02 80.2)
#231D13 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) | #201D12 | 0.006 |
| Deuteranopia (no green cones) | #211E13 | 0.005 |
| Tritanopia (no blue cones) | #261B1A | 0.018 |
| Achromatopsia (no color) | #1E1E1E | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231D13
#231D13
oklch(23.4% 0.02 80.2)
- #181E28
#181E28
oklch(23.4% 0.021 260.5)
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 #231D13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.040
- Jet #212529 ΔE 0.040
- Dark #1B2431 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.058
- Chocolate Brown #411900 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.072
- Dark Forest Green #002D04 ΔE 0.080
- Very Dark Green #062E03 ΔE 0.080
Use #231D13 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.