#280B11
Closest named color: Dark Maroon (#3C0008). oklch(20% 0.049 9.8), rgb(40, 11, 17).
Aa
White text reads best on this color (18.32:1).
About this color
#280B11 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.049 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.050 away. White text reads best on it, at 18.32:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.14:1 |
| White text | 18.32:1 |
Values
| HEX | #280B11 |
| RGB | rgb(40, 11, 17) |
| HSL | hsl(348, 57%, 10%) |
| OKLCH | oklch(20% 0.049 9.8) |
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 #280B11 | 18.32:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #280B11 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #280B11 text on white | 18.32:1 | AAA | Lc 104.7 | Preferred for body text |
| #280B11 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F5E5E7
oklch(93.5% 0.018 8.8)
-
Step 200
200
#EDD1D4
oklch(88.5% 0.032 10.4)
-
Step 300
300
#E3B2B8
oklch(80.9% 0.057 10.2)
-
Step 400
400
#D38893
oklch(70.7% 0.093 10.1)
-
Step 500
500
#C66979
oklch(63.2% 0.119 10.1)
-
Step 600
600
#B14E62
oklch(55.6% 0.13 9.7)
-
Step 700
700
#983F51
oklch(49.2% 0.12 10.1)
-
Step 800
800
#7B3443
oklch(42.6% 0.1 9.2)
-
Step 900
900
#642E38
oklch(37.7% 0.078 9.9)
-
Step 950
950 (this color)
#280B11
oklch(20% 0.049 9.8)
#280B11 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) | #111111 | 0.054 |
| Deuteranopia (no green cones) | #181710 | 0.051 |
| Tritanopia (no blue cones) | #2C080D | 0.012 |
| Achromatopsia (no color) | #151515 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280B11
#280B11
oklch(20% 0.049 9.8)
- #001B19
#001B19
oklch(20% 0.035 188.2)
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 #280B11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.050
- Very Dark Brown #1D0200 ΔE 0.054
- Deep Brown #410200 ΔE 0.064
- Dark Brown #341C02 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.075
- Almost Black #070D0D ΔE 0.076
- Dark Plum #3F012C ΔE 0.078
- Very Dark Purple #2A0134 ΔE 0.078
Use #280B11 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.