#280B0B
Closest named color: Very Dark Brown (#1D0200). oklch(19.8% 0.049 22.6), rgb(40, 11, 11).
Aa
White text reads best on this color (18.37:1).
About this color
#280B0B is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.049 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.049 away. White text reads best on it, at 18.37:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.14:1 |
| White text | 18.37:1 |
Values
| HEX | #280B0B |
| RGB | rgb(40, 11, 11) |
| HSL | hsl(0, 57%, 10%) |
| OKLCH | oklch(19.8% 0.049 22.6) |
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 #280B0B | 18.37:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #280B0B | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #280B0B text on white | 18.37:1 | AAA | Lc 104.8 | Preferred for body text |
| #280B0B text on black | 1.14:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EED1CF
oklch(88.4% 0.033 22.5)
-
Step 300
300
#E4B3AF
oklch(81% 0.058 23.8)
-
Step 400
400
#D48986
oklch(70.6% 0.093 22.2)
-
Step 500
500
#C76A68
oklch(63.1% 0.119 22.3)
-
Step 600
600
#B2504F
oklch(55.6% 0.128 22.7)
-
Step 700
700
#994040
oklch(49.1% 0.12 22.5)
-
Step 800
800
#7C3535
oklch(42.6% 0.099 22.2)
-
Step 900
900
#642F2E
oklch(37.6% 0.077 22.5)
-
Step 950
950 (this color)
#280B0B
oklch(19.8% 0.049 22.6)
#280B0B 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) | #12110B | 0.052 |
| Deuteranopia (no green cones) | #19170A | 0.050 |
| Tritanopia (no blue cones) | #2D060B | 0.016 |
| Achromatopsia (no color) | #141414 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280B0B
#280B0B
oklch(19.8% 0.049 22.6)
- #001A1C
#001A1C
oklch(19.8% 0.034 201.6)
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 #280B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.049
- Dark Maroon #3C0008 ΔE 0.049
- Deep Brown #410200 ΔE 0.061
- Dark Brown #341C02 ΔE 0.066
- Almost Black #070D0D ΔE 0.075
- Rich Black #0D1B2A ΔE 0.080
- Chocolate Brown #411900 ΔE 0.080
- Mahogany #4A0100 ΔE 0.082
Use #280B0B 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.