#281F03
Closest named color: Dark Brown (#341C02). oklch(24.3% 0.045 91.3), rgb(40, 31, 3).
Aa
White text reads best on this color (16.31:1).
About this color
#281F03 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.045 and its hue 91°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.027 away. White text reads best on it, at 16.31:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.28:1 |
| White text | 16.31:1 |
Values
| HEX | #281F03 |
| RGB | rgb(40, 31, 3) |
| HSL | hsl(45, 86%, 8%) |
| OKLCH | oklch(24.3% 0.045 91.3) |
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 #281F03 | 16.31:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #281F03 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #281F03 text on white | 16.31:1 | AAA | Lc 103.2 | Preferred for body text |
| #281F03 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
#EDEADE
oklch(93.6% 0.016 95.2)
-
Step 200
200
#E0D9C3
oklch(88.5% 0.03 92.3)
-
Step 300
300
#CDC099
oklch(80.9% 0.054 91.8)
-
Step 400
400
#B49F60
oklch(70.7% 0.086 91.6)
-
Step 500
500
#A2872E
oklch(63.2% 0.11 91.7)
-
Step 600
600
#8C7000
oklch(55.6% 0.114 91.4)
-
Step 700
700
#765E00
oklch(49.2% 0.101 91.4)
-
Step 800
800
#614C00
oklch(42.6% 0.087 90.4)
-
Step 900
900
#504009
oklch(37.8% 0.072 91.3)
-
Step 950
950 (this color)
#281F03
oklch(24.3% 0.045 91.3)
#281F03 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) | #241E01 | 0.010 |
| Deuteranopia (no green cones) | #262104 | 0.007 |
| Tritanopia (no blue cones) | #2C1B19 | 0.042 |
| Achromatopsia (no color) | #202020 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F03
#281F03
oklch(24.3% 0.045 91.3)
- #181E36
#181E36
oklch(24.2% 0.047 271.9)
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 #281F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.027
- Chocolate Brown #411900 ΔE 0.055
- Jet #212529 ΔE 0.057
- Very Dark Green #062E03 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.068
- Dark #1B2431 ΔE 0.074
- Pakistan Green #283618 ΔE 0.076
- Deep Brown #410200 ΔE 0.083
Use #281F03 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.