#281B10
Closest named color: Dark Brown (#341C02). oklch(23.5% 0.028 61), rgb(40, 27, 16).
Aa
White text reads best on this color (16.74:1).
About this color
#281B10 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.032 away. White text reads best on it, at 16.74:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.74:1 |
Values
| HEX | #281B10 |
| RGB | rgb(40, 27, 16) |
| HSL | hsl(27, 43%, 11%) |
| OKLCH | oklch(23.5% 0.028 61) |
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 #281B10 | 16.74:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #281B10 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #281B10 text on white | 16.74:1 | AAA | Lc 103.6 | Preferred for body text |
| #281B10 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E3D7CD
oklch(88.6% 0.019 62.4)
-
Step 300
300
#D1BCAB
oklch(80.8% 0.034 61.3)
-
Step 400
400
#BA997F
oklch(70.6% 0.054 60)
-
Step 500
500
#A8805E
oklch(63% 0.069 61.5)
-
Step 600
600
#936945
oklch(55.6% 0.074 61)
-
Step 700
700
#7D5736
oklch(49% 0.069 61.1)
-
Step 800
800
#66472D
oklch(42.6% 0.058 60.3)
-
Step 900
900
#533C29
oklch(37.7% 0.044 60.4)
-
Step 950
950 (this color)
#281B10
oklch(23.5% 0.028 61)
#281B10 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) | #1F1C0F | 0.019 |
| Deuteranopia (no green cones) | #221F10 | 0.018 |
| Tritanopia (no blue cones) | #2C1818 | 0.022 |
| Achromatopsia (no color) | #1E1E1E | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281B10
#281B10
oklch(23.5% 0.028 61)
- #11202A
#11202A
oklch(23.5% 0.028 238.8)
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 #281B10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.032
- Jet #212529 ΔE 0.046
- Chocolate Brown #411900 ΔE 0.056
- Dark #1B2431 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.066
- Deep Brown #410200 ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.072
- Oxford Blue #1B263B ΔE 0.077
Use #281B10 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.