#280B01
Closest named color: Very Dark Brown (#1D0200). oklch(19.6% 0.054 43.9), rgb(40, 11, 1).
Aa
White text reads best on this color (18.44:1).
About this color
#280B01 is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.054 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.046 away. White text reads best on it, at 18.44:1.
| Hue family | Browns |
| Lightness | very dark (20%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.13:1 |
| White text | 18.44:1 |
Values
| HEX | #280B01 |
| RGB | rgb(40, 11, 1) |
| HSL | hsl(15, 95%, 8%) |
| OKLCH | oklch(19.6% 0.054 43.9) |
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 #280B01 | 18.44:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #280B01 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #280B01 text on white | 18.44:1 | AAA | Lc 104.8 | Preferred for body text |
| #280B01 text on black | 1.13:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED2C7
oklch(88.4% 0.035 42.7)
-
Step 300
300
#E5B4A0
oklch(80.9% 0.064 43.3)
-
Step 400
400
#D68B6B
oklch(70.6% 0.102 43.8)
-
Step 500
500
#C96D43
oklch(63.2% 0.13 44.3)
-
Step 600
600
#B55221
oklch(55.7% 0.142 43.9)
-
Step 700
700
#9B4213
oklch(49.1% 0.132 44)
-
Step 800
800
#7E3714
oklch(42.7% 0.109 43.9)
-
Step 900
900
#663018
oklch(37.7% 0.086 43.3)
-
Step 950
950 (this color)
#280B01
oklch(19.6% 0.054 43.9)
#280B01 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) | #131000 | 0.052 |
| Deuteranopia (no green cones) | #1A1601 | 0.046 |
| Tritanopia (no blue cones) | #2D0508 | 0.027 |
| Achromatopsia (no color) | #141414 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280B01
#280B01
oklch(19.6% 0.054 43.9)
- #001821
#001821
oklch(19.4% 0.037 224.6)
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 #280B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.055
- Dark Brown #341C02 ΔE 0.061
- Deep Brown #410200 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.076
- Almost Black #070D0D ΔE 0.076
- Mahogany #4A0100 ΔE 0.082
- Rich Navy #001219 ΔE 0.089
Use #280B01 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.