#281C05
Closest named color: Dark Brown (#341C02). oklch(23.6% 0.041 81.4), rgb(40, 28, 5).
Aa
White text reads best on this color (16.68:1).
About this color
#281C05 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.041 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.026 away. White text reads best on it, at 16.68:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.68:1 |
Values
| HEX | #281C05 |
| RGB | rgb(40, 28, 5) |
| HSL | hsl(39, 78%, 9%) |
| OKLCH | oklch(23.6% 0.041 81.4) |
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 #281C05 | 16.68:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #281C05 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #281C05 text on white | 16.68:1 | AAA | Lc 103.6 | Preferred for body text |
| #281C05 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E2D8C6
oklch(88.5% 0.027 82.4)
-
Step 300
300
#D1BE9E
oklch(80.9% 0.048 80.7)
-
Step 400
400
#B99C68
oklch(70.7% 0.077 81.5)
-
Step 500
500
#A8833C
oklch(63.1% 0.1 81.5)
-
Step 600
600
#936C14
oklch(55.7% 0.108 81.8)
-
Step 700
700
#7D5A02
oklch(49.1% 0.101 82)
-
Step 800
800
#66490A
oklch(42.6% 0.083 80.7)
-
Step 900
900
#533E13
oklch(37.8% 0.065 82.1)
-
Step 950
950 (this color)
#281C05
oklch(23.6% 0.041 81.4)
#281C05 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) | #211C03 | 0.016 |
| Deuteranopia (no green cones) | #241F06 | 0.012 |
| Tritanopia (no blue cones) | #2C1817 | 0.037 |
| Achromatopsia (no color) | #1E1E1E | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281C05
#281C05
oklch(23.6% 0.041 81.4)
- #131E32
#131E32
oklch(23.6% 0.042 261.7)
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 #281C05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.026
- Chocolate Brown #411900 ΔE 0.055
- Jet #212529 ΔE 0.057
- Dark #1B2431 ΔE 0.072
- Deep Brown #410200 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.077
- Dark Forest Green #002D04 ΔE 0.077
- Rich Black #0D1B2A ΔE 0.078
Use #281C05 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.