#281F11
Closest named color: Dark Brown (#341C02). oklch(24.6% 0.028 77.9), rgb(40, 31, 17).
Aa
White text reads best on this color (16.22:1).
About this color
#281F11 is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.029 away. White text reads best on it, at 16.22:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.29:1 |
| White text | 16.22:1 |
Values
| HEX | #281F11 |
| RGB | rgb(40, 31, 17) |
| HSL | hsl(37, 40%, 11%) |
| OKLCH | oklch(24.6% 0.028 77.9) |
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 #281F11 | 16.22:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #281F11 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #281F11 text on white | 16.22:1 | AAA | Lc 103.2 | Preferred for body text |
| #281F11 text on black | 1.29:1 | 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
#E0D8CC
oklch(88.5% 0.018 78.2)
-
Step 300
300
#CDBEA9
oklch(80.8% 0.033 76.4)
-
Step 400
400
#B39D7C
oklch(70.7% 0.052 77.8)
-
Step 500
500
#A0855A
oklch(63.1% 0.068 78.7)
-
Step 600
600
#8B6E40
oklch(55.6% 0.073 77.9)
-
Step 700
700
#765C31
oklch(49.1% 0.069 78.7)
-
Step 800
800
#604B2A
oklch(42.7% 0.056 77.7)
-
Step 900
900
#4F3F26
oklch(37.8% 0.044 77.9)
-
Step 950
950 (this color)
#281F11
oklch(24.6% 0.028 77.9)
#281F11 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) | #231F10 | 0.010 |
| Deuteranopia (no green cones) | #252111 | 0.009 |
| Tritanopia (no blue cones) | #2B1C1B | 0.024 |
| Achromatopsia (no color) | #202020 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F11
#281F11
oklch(24.6% 0.028 77.9)
- #18212E
#18212E
oklch(24.5% 0.028 257.5)
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 #281F11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.029
- Jet #212529 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.055
- Dark #1B2431 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.069
- Oxford Blue #1B263B ΔE 0.074
- Very Dark Green #062E03 ΔE 0.076
- Dark Forest Green #002D04 ΔE 0.077
Use #281F11 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.