#281F00
Closest named color: Dark Brown (#341C02). oklch(24.3% 0.05 93.2), rgb(40, 31, 0).
Aa
White text reads best on this color (16.32:1).
About this color
#281F00 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.050 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.028 away. White text reads best on it, at 16.32:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.28:1 |
| White text | 16.32:1 |
Values
| HEX | #281F00 |
| RGB | rgb(40, 31, 0) |
| HSL | hsl(47, 100%, 8%) |
| OKLCH | oklch(24.3% 0.05 93.2) |
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 #281F00 | 16.32:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #281F00 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #281F00 text on white | 16.32:1 | AAA | Lc 103.2 | Preferred for body text |
| #281F00 text on black | 1.28:1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEEADD
oklch(93.7% 0.018 92.7)
-
Step 200
200
#E0D9C1
oklch(88.4% 0.033 93.5)
-
Step 300
300
#CDC096
oklch(80.8% 0.058 92.9)
-
Step 400
400
#B59F59
oklch(70.7% 0.094 92.4)
-
Step 500
500
#A2871D
oklch(63.1% 0.121 93.5)
-
Step 600
600
#8A7100
oklch(55.6% 0.114 93.5)
-
Step 700
700
#745F00
oklch(49.2% 0.101 93.8)
-
Step 800
800
#5F4D00
oklch(42.6% 0.087 93.4)
-
Step 900
900
#504000
oklch(37.8% 0.077 92.8)
-
Step 950
950 (this color)
#281F00
oklch(24.3% 0.05 93.2)
#281F00 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) | #241E00 | 0.009 |
| Deuteranopia (no green cones) | #262101 | 0.007 |
| Tritanopia (no blue cones) | #2C1B19 | 0.046 |
| Achromatopsia (no color) | #202020 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F00
#281F00
oklch(24.3% 0.05 93.2)
- #181E37
#181E37
oklch(24.3% 0.049 272.1)
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 #281F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.028
- Chocolate Brown #411900 ΔE 0.057
- Jet #212529 ΔE 0.062
- Very Dark Green #062E03 ΔE 0.065
- Dark Forest Green #002D04 ΔE 0.066
- Pakistan Green #283618 ΔE 0.076
- Dark #1B2431 ΔE 0.078
- Deep Brown #410200 ΔE 0.084
Use #281F00 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.