#231A13
Closest named color: Dark Brown (#341C02). oklch(22.6% 0.019 59.5), rgb(35, 26, 19).
Aa
White text reads best on this color (17.09:1).
About this color
#231A13 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.044 away. White text reads best on it, at 17.09:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.22:1 |
| White text | 17.09:1 |
Values
| HEX | #231A13 |
| RGB | rgb(35, 26, 19) |
| HSL | hsl(26, 30%, 11%) |
| OKLCH | oklch(22.6% 0.019 59.5) |
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 #231A13 | 17.09:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #231A13 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #231A13 text on white | 17.09:1 | AAA | Lc 104.0 | Preferred for body text |
| #231A13 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
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#E0D7D1
oklch(88.5% 0.013 56.2)
-
Step 300
300
#CCBDB2
oklch(80.8% 0.023 58.7)
-
Step 400
400
#B29C8A
oklch(70.7% 0.037 61.5)
-
Step 500
500
#9F836D
oklch(63% 0.047 60)
-
Step 600
600
#8A6C55
oklch(55.5% 0.051 58.9)
-
Step 700
700
#755A46
oklch(49% 0.047 57.9)
-
Step 800
800
#5F4A39
oklch(42.6% 0.039 60.5)
-
Step 900
900
#4E3E31
oklch(37.7% 0.031 60.8)
-
Step 950
950 (this color)
#231A13
oklch(22.6% 0.019 59.5)
#231A13 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) | #1D1B13 | 0.012 |
| Deuteranopia (no green cones) | #1F1D13 | 0.013 |
| Tritanopia (no blue cones) | #261818 | 0.015 |
| Achromatopsia (no color) | #1C1C1C | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231A13
#231A13
oklch(22.6% 0.019 59.5)
- #141D24
#141D24
oklch(22.5% 0.019 242)
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 #231A13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.044
- Jet #212529 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.055
- Dark #1B2431 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.074
- Rich Navy #001219 ΔE 0.076
- Dark Maroon #3C0008 ΔE 0.076
Use #231A13 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.