#231A10
Closest named color: Dark Brown (#341C02). oklch(22.6% 0.023 69.2), rgb(35, 26, 16).
Aa
White text reads best on this color (17.11:1).
About this color
#231A10 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.042 away. White text reads best on it, at 17.11:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.22:1 |
| White text | 17.11:1 |
Values
| HEX | #231A10 |
| RGB | rgb(35, 26, 16) |
| HSL | hsl(32, 37%, 10%) |
| OKLCH | oklch(22.6% 0.023 69.2) |
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 #231A10 | 17.11:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #231A10 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #231A10 text on white | 17.11:1 | AAA | Lc 104.0 | Preferred for body text |
| #231A10 text on black | 1.22:1 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E4
oklch(93.6% 0.008 73.7)
-
Step 200
200
#E0D8CF
oklch(88.6% 0.015 70.9)
-
Step 300
300
#CDBEAE
oklch(81% 0.028 69.2)
-
Step 400
400
#B39C84
oklch(70.7% 0.043 68.2)
-
Step 500
500
#A08465
oklch(63.2% 0.056 69.4)
-
Step 600
600
#8B6D4C
oklch(55.6% 0.061 68.7)
-
Step 700
700
#765B3D
oklch(49.1% 0.056 68.8)
-
Step 800
800
#604A33
oklch(42.6% 0.046 67.3)
-
Step 900
900
#4E3E2C
oklch(37.6% 0.036 69.7)
-
Step 950
950 (this color)
#231A10
oklch(22.6% 0.023 69.2)
#231A10 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) | #1D1A0F | 0.013 |
| Deuteranopia (no green cones) | #1F1C10 | 0.010 |
| Tritanopia (no blue cones) | #261817 | 0.018 |
| Achromatopsia (no color) | #1C1C1C | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231A10
#231A10
oklch(22.6% 0.023 69.2)
- #131D26
#131D26
oklch(22.6% 0.023 246.2)
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 #231A10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.042
- Jet #212529 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.059
- Dark #1B2431 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.077
- Rich Navy #001219 ΔE 0.078
- Oxford Blue #1B263B ΔE 0.078
Use #231A10 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.