#281F05
Closest named color: Dark Brown (#341C02). oklch(24.4% 0.043 90), rgb(40, 31, 5).
Aa
White text reads best on this color (16.29:1).
About this color
#281F05 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.043 and its hue 90°. 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 16.29:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.28:1 |
| White text | 16.29:1 |
Values
| HEX | #281F05 |
| RGB | rgb(40, 31, 5) |
| HSL | hsl(45, 78%, 9%) |
| OKLCH | oklch(24.4% 0.043 90) |
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 #281F05 | 16.29:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #281F05 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #281F05 text on white | 16.29:1 | AAA | Lc 103.2 | Preferred for body text |
| #281F05 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
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#E0D9C5
oklch(88.5% 0.028 90.9)
-
Step 300
300
#CDC09C
oklch(80.9% 0.051 90.5)
-
Step 400
400
#B49F64
oklch(70.7% 0.082 90.6)
-
Step 500
500
#A28637
oklch(63.1% 0.103 89.5)
-
Step 600
600
#8D6F04
oklch(55.5% 0.112 89.7)
-
Step 700
700
#775D00
oklch(49.1% 0.1 89.6)
-
Step 800
800
#614C01
oklch(42.6% 0.087 90.3)
-
Step 900
900
#4F400F
oklch(37.7% 0.068 91.3)
-
Step 950
950 (this color)
#281F05
oklch(24.4% 0.043 90)
#281F05 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) | #241F03 | 0.009 |
| Deuteranopia (no green cones) | #262106 | 0.007 |
| Tritanopia (no blue cones) | #2C1C1A | 0.039 |
| Achromatopsia (no color) | #202020 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F05
#281F05
oklch(24.4% 0.043 90)
- #181F35
#181F35
oklch(24.4% 0.043 269.6)
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 #281F05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.026
- Jet #212529 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.055
- Very Dark Green #062E03 ΔE 0.068
- Dark Forest Green #002D04 ΔE 0.069
- Dark #1B2431 ΔE 0.072
- Pakistan Green #283618 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.082
Use #281F05 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.