#281F0F
Closest named color: Dark Brown (#341C02). oklch(24.5% 0.031 81), rgb(40, 31, 15).
Aa
White text reads best on this color (16.23:1).
About this color
#281F0F is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.031 and its hue 81°. 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 16.23:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #281F0F |
| RGB | rgb(40, 31, 15) |
| HSL | hsl(38, 45%, 11%) |
| OKLCH | oklch(24.5% 0.031 81) |
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 #281F0F | 16.23:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #281F0F | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #281F0F text on white | 16.23:1 | AAA | Lc 103.2 | Preferred for body text |
| #281F0F 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
#EDE9E2
oklch(93.5% 0.01 81.8)
-
Step 200
200
#E0D8CB
oklch(88.5% 0.02 80.1)
-
Step 300
300
#CDBFA7
oklch(81% 0.036 81.2)
-
Step 400
400
#B39D78
oklch(70.6% 0.057 80.5)
-
Step 500
500
#A18554
oklch(63.1% 0.075 80.7)
-
Step 600
600
#8B6E39
oklch(55.5% 0.08 81)
-
Step 700
700
#765C2B
oklch(49.1% 0.074 81.3)
-
Step 800
800
#604B25
oklch(42.6% 0.061 80.7)
-
Step 900
900
#4F3F23
oklch(37.8% 0.048 80.5)
-
Step 950
950 (this color)
#281F0F
oklch(24.5% 0.031 81)
#281F0F 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) | #231F0E | 0.010 |
| Deuteranopia (no green cones) | #25210F | 0.009 |
| Tritanopia (no blue cones) | #2C1C1B | 0.028 |
| Achromatopsia (no color) | #202020 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F0F
#281F0F
oklch(24.5% 0.031 81)
- #18212F
#18212F
oklch(24.6% 0.03 259.1)
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 #281F0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.028
- Jet #212529 ΔE 0.043
- Chocolate Brown #411900 ΔE 0.054
- Dark #1B2431 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.071
- Very Dark Green #062E03 ΔE 0.075
- Dark Forest Green #002D04 ΔE 0.076
- Oxford Blue #1B263B ΔE 0.077
Use #281F0F 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.