#901315
Closest named color: Brick Red (#8F1402). oklch(42% 0.158 27), rgb(144, 19, 21).
Aa
White text reads best on this color (9.17:1).
About this color
#901315 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.158 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.013 away. White text reads best on it, at 9.17:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #901315 |
| RGB | rgb(144, 19, 21) |
| HSL | hsl(359, 77%, 32%) |
| OKLCH | oklch(42% 0.158 27) |
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 #901315 | 9.17:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #901315 | 2.28:1 | Fails | Lc 14.6 | Not readable |
| #901315 text on white | 9.17:1 | AAA | Lc 89.4 | Fine for body text |
| #901315 text on black | 2.28:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F7AAA0
oklch(81% 0.093 27.5)
-
Step 400
400
#EF786D
oklch(70.7% 0.149 26.9)
-
Step 500
500
#E54E46
oklch(63.1% 0.188 26.9)
-
Step 600
600
#D12526
oklch(55.6% 0.206 27)
-
Step 700
700
#B41219
oklch(49.1% 0.191 26.9)
-
Step 800
800 (this color)
#901315
oklch(42% 0.158 27)
-
Step 900
900
#751D1A
oklch(37.6% 0.123 26.9)
-
Step 950
950
#451310
oklch(27% 0.078 27)
#901315 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) | #3E3713 | 0.172 |
| Deuteranopia (no green cones) | #5C510E | 0.156 |
| Tritanopia (no blue cones) | #9F0016 | 0.031 |
| Achromatopsia (no color) | #484848 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901315
#901315
oklch(42% 0.158 27)
- #005861
#005861
oklch(42.1% 0.072 206.8)
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 #901315, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.013
- Blood Red #980002 ΔE 0.019
- Dark Red #8B0000 ΔE 0.022
- Deep Red #9A0200 ΔE 0.022
- Carmine #9D0216 ΔE 0.027
- Auburn #9B2226 ΔE 0.035
- Red Brown #8B2E16 ΔE 0.038
- Brown Red #922B05 ΔE 0.039
Use #901315 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.