#90150D
Closest named color: Brick Red (#8F1402). oklch(42.1% 0.158 29.4), rgb(144, 21, 13).
Aa
White text reads best on this color (9.13:1).
About this color
#90150D is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.158 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.006 away. White text reads best on it, at 9.13:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.29:1 |
| White text | 9.13:1 |
Values
| HEX | #90150D |
| RGB | rgb(144, 21, 13) |
| HSL | hsl(4, 83%, 31%) |
| OKLCH | oklch(42.1% 0.158 29.4) |
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 #90150D | 9.13:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #90150D | 2.29:1 | Fails | Lc 14.7 | Not readable |
| #90150D text on white | 9.13:1 | AAA | Lc 89.3 | Fine for body text |
| #90150D text on black | 2.29:1 | Fails | Lc -12.9 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC6
oklch(88.4% 0.051 28.7)
-
Step 300
300
#F7AA9E
oklch(80.9% 0.093 29.1)
-
Step 400
400
#EE7969
oklch(70.7% 0.147 29.3)
-
Step 500
500
#E54F3F
oklch(63.1% 0.189 29.4)
-
Step 600
600
#D0271B
oklch(55.5% 0.205 29.5)
-
Step 700
700
#B4150C
oklch(49.1% 0.191 29.5)
-
Step 800
800 (this color)
#90150D
oklch(42.1% 0.158 29.4)
-
Step 900
900
#751E15
oklch(37.7% 0.122 29.8)
-
Step 950
950
#45130E
oklch(26.9% 0.078 28.9)
#90150D 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) | #3F3709 | 0.171 |
| Deuteranopia (no green cones) | #5C5203 | 0.156 |
| Tritanopia (no blue cones) | #9F0015 | 0.033 |
| Achromatopsia (no color) | #484848 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90150D
#90150D
oklch(42.1% 0.158 29.4)
- #005863
#005863
oklch(42.2% 0.073 209.4)
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 #90150D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.006
- Blood Red #980002 ΔE 0.018
- Deep Red #9A0200 ΔE 0.021
- Dark Red #8B0000 ΔE 0.022
- Carmine #9D0216 ΔE 0.029
- Brown Red #922B05 ΔE 0.034
- Red Brown #8B2E16 ΔE 0.034
- Auburn #9B2226 ΔE 0.036
Use #90150D 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.