#90241E
Closest named color: Red Brown (#8B2E16). oklch(43.5% 0.145 28), rgb(144, 36, 30).
Aa
White text reads best on this color (8.54:1).
About this color
#90241E is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.145 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.022 away. White text reads best on it, at 8.54:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #90241E |
| RGB | rgb(144, 36, 30) |
| HSL | hsl(3, 66%, 34%) |
| OKLCH | oklch(43.5% 0.145 28) |
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 #90241E | 8.54:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #90241E | 2.45:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #90241E text on white | 8.54:1 | AAA | Lc 88.2 | Fine for body text |
| #90241E text on black | 2.45:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F2ACA2
oklch(80.8% 0.084 28.1)
-
Step 400
400
#E97D70
oklch(70.8% 0.136 28.1)
-
Step 500
500
#DF564A
oklch(63.1% 0.174 28)
-
Step 600
600
#CA342C
oklch(55.6% 0.188 28.1)
-
Step 700
700
#AE241F
oklch(49.1% 0.175 28)
-
Step 800
800 (this color)
#90241E
oklch(43.5% 0.145 28)
-
Step 900
900
#72221C
oklch(37.7% 0.114 28.1)
-
Step 950
950
#431611
oklch(27.1% 0.071 28.9)
#90241E 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) | #443D1C | 0.155 |
| Deuteranopia (no green cones) | #5F551A | 0.142 |
| Tritanopia (no blue cones) | #9F0024 | 0.040 |
| Achromatopsia (no color) | #4C4C4C | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90241E
#90241E
oklch(43.5% 0.145 28)
- #005C67
#005C67
oklch(43.5% 0.075 208.9)
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 #90241E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.022
- Brick Red #8F1402 ΔE 0.024
- Auburn #9B2226 ΔE 0.025
- Brown Red #922B05 ΔE 0.025
- Blood Red #980002 ΔE 0.031
- Deep Red #9A0200 ΔE 0.032
- Carmine #9D0216 ΔE 0.033
- Rust Brown #8B3103 ΔE 0.035
Use #90241E 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.