#900808
Closest named color: Brick Red (#8F1402). oklch(41.4% 0.165 28.6), rgb(144, 8, 8).
Aa
White text reads best on this color (9.44:1).
About this color
#900808 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.165 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.011 away. White text reads best on it, at 9.44:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #900808 |
| RGB | rgb(144, 8, 8) |
| HSL | hsl(0, 89%, 30%) |
| OKLCH | oklch(41.4% 0.165 28.6) |
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 #900808 | 9.44:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #900808 | 2.22:1 | Fails | Lc 14.3 | Not readable |
| #900808 text on white | 9.44:1 | AAA | Lc 89.7 | Fine for body text |
| #900808 text on black | 2.22:1 | Fails | Lc -12.6 | 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 800.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC5
oklch(88.6% 0.054 29.6)
-
Step 300
300
#F9A99D
oklch(80.9% 0.097 28.8)
-
Step 400
400
#F17668
oklch(70.6% 0.154 28.2)
-
Step 500
500
#E84A3D
oklch(63% 0.197 28.6)
-
Step 600
600
#D41D19
oklch(55.6% 0.214 28.5)
-
Step 700
700
#B70509
oklch(49.1% 0.199 28.5)
-
Step 800
800 (this color)
#900808
oklch(41.4% 0.165 28.6)
-
Step 900
900
#771A14
oklch(37.6% 0.128 28.6)
-
Step 950
950
#46120D
oklch(27% 0.081 29)
#900808 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) | #3C3404 | 0.180 |
| Deuteranopia (no green cones) | #5B5000 | 0.161 |
| Tritanopia (no blue cones) | #A0000C | 0.034 |
| Achromatopsia (no color) | #464646 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900808
#900808
oklch(41.4% 0.165 28.6)
- #005660
#005660
oklch(41.5% 0.071 208.4)
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 #900808, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.011
- Dark Red #8B0000 ΔE 0.014
- Blood Red #980002 ΔE 0.017
- Deep Red #9A0200 ΔE 0.021
- Carmine #9D0216 ΔE 0.030
- Maroon #800000 ΔE 0.039
- Auburn #9B2226 ΔE 0.043
- Brown Red #922B05 ΔE 0.043
Use #900808 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.