#90190D
Closest named color: Brick Red (#8F1402). oklch(42.4% 0.156 30.3), rgb(144, 25, 13).
Aa
White text reads best on this color (9.01:1).
About this color
#90190D is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.156 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.008 away. White text reads best on it, at 9.01:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.33:1 |
| White text | 9.01:1 |
Values
| HEX | #90190D |
| RGB | rgb(144, 25, 13) |
| HSL | hsl(5, 83%, 31%) |
| OKLCH | oklch(42.4% 0.156 30.3) |
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 #90190D | 9.01:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #90190D | 2.33:1 | Fails | Lc 14.9 | Not readable |
| #90190D text on white | 9.01:1 | AAA | Lc 89.1 | Fine for body text |
| #90190D text on black | 2.33:1 | Fails | Lc -13.1 | 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
#F9CEC6
oklch(88.6% 0.05 30.4)
-
Step 300
300
#F6AB9E
oklch(81% 0.091 30.1)
-
Step 400
400
#ED7A68
oklch(70.7% 0.145 30.3)
-
Step 500
500
#E4513E
oklch(63.2% 0.186 30.3)
-
Step 600
600
#CF2B1A
oklch(55.6% 0.202 30.3)
-
Step 700
700
#B3190A
oklch(49.1% 0.188 30.2)
-
Step 800
800 (this color)
#90190D
oklch(42.4% 0.156 30.3)
-
Step 900
900
#751F15
oklch(37.8% 0.122 30.2)
-
Step 950
950
#45140D
oklch(27.1% 0.077 30.8)
#90190D 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) | #403809 | 0.168 |
| Deuteranopia (no green cones) | #5D5203 | 0.151 |
| Tritanopia (no blue cones) | #9F0018 | 0.035 |
| Achromatopsia (no color) | #494949 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90190D
#90190D
oklch(42.4% 0.156 30.3)
- #005964
#005964
oklch(42.5% 0.073 209.3)
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 #90190D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.008
- Blood Red #980002 ΔE 0.020
- Deep Red #9A0200 ΔE 0.022
- Dark Red #8B0000 ΔE 0.025
- Brown Red #922B05 ΔE 0.029
- Red Brown #8B2E16 ΔE 0.030
- Carmine #9D0216 ΔE 0.030
- Auburn #9B2226 ΔE 0.034
Use #90190D 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.