#901E1E
Closest named color: Brick Red (#8F1402). oklch(42.9% 0.15 26.3), rgb(144, 30, 30).
Aa
White text reads best on this color (8.78:1).
About this color
#901E1E is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.150 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.020 away. White text reads best on it, at 8.78:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.39:1 |
| White text | 8.78:1 |
Values
| HEX | #901E1E |
| RGB | rgb(144, 30, 30) |
| HSL | hsl(0, 66%, 34%) |
| OKLCH | oklch(42.9% 0.15 26.3) |
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 #901E1E | 8.78:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #901E1E | 2.39:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #901E1E text on white | 8.78:1 | AAA | Lc 88.7 | Fine for body text |
| #901E1E text on black | 2.39:1 | Fails | Lc -13.5 | 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
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CEC8
oklch(88.6% 0.048 27.6)
-
Step 300
300
#F4ABA3
oklch(80.9% 0.087 26.1)
-
Step 400
400
#EB7B71
oklch(70.7% 0.14 26.5)
-
Step 500
500
#E1534C
oklch(63.1% 0.178 26.3)
-
Step 600
600
#CD2E2F
oklch(55.7% 0.195 26.1)
-
Step 700
700
#B01E21
oklch(49% 0.181 26.3)
-
Step 800
800 (this color)
#901E1E
oklch(42.9% 0.15 26.3)
-
Step 900
900
#73201E
oklch(37.7% 0.117 25.9)
-
Step 950
950
#441412
oklch(27% 0.075 25.8)
#901E1E 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) | #413B1D | 0.163 |
| Deuteranopia (no green cones) | #5D5319 | 0.148 |
| Tritanopia (no blue cones) | #9F0020 | 0.034 |
| Achromatopsia (no color) | #4B4B4B | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901E1E
#901E1E
oklch(42.9% 0.15 26.3)
- #005B63
#005B63
oklch(43% 0.073 205.2)
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 #901E1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.020
- Blood Red #980002 ΔE 0.026
- Auburn #9B2226 ΔE 0.027
- Deep Red #9A0200 ΔE 0.028
- Carmine #9D0216 ΔE 0.029
- Red Brown #8B2E16 ΔE 0.029
- Brown Red #922B05 ΔE 0.032
- Dark Red #8B0000 ΔE 0.034
Use #901E1E 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.