#901C30
Closest named color: Red Wine (#8C0034). oklch(43% 0.15 17.4), rgb(144, 28, 48).
Aa
White text reads best on this color (8.76:1).
About this color
#901C30 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.150 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.031 away. White text reads best on it, at 8.76:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #901C30 |
| RGB | rgb(144, 28, 48) |
| HSL | hsl(350, 67%, 34%) |
| OKLCH | oklch(43% 0.15 17.4) |
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 #901C30 | 8.76:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #901C30 | 2.39:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #901C30 text on white | 8.76:1 | AAA | Lc 88.6 | Fine for body text |
| #901C30 text on black | 2.39:1 | Fails | Lc -13.6 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E4
oklch(93.7% 0.025 17.6)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F4AAAC
oklch(80.9% 0.087 17.4)
-
Step 400
400
#EB7980
oklch(70.7% 0.141 17.5)
-
Step 500
500
#E15060
oklch(63.1% 0.18 17.5)
-
Step 600
600
#CC2B47
oklch(55.6% 0.195 17.5)
-
Step 700
700
#B01A39
oklch(49.1% 0.182 17.2)
-
Step 800
800 (this color)
#901C30
oklch(43% 0.15 17.4)
-
Step 900
900
#731F2A
oklch(37.8% 0.117 17.4)
-
Step 950
950
#441419
oklch(27.1% 0.074 17.4)
#901C30 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) | #3E3B30 | 0.167 |
| Deuteranopia (no green cones) | #5B532D | 0.152 |
| Tritanopia (no blue cones) | #9E0025 | 0.031 |
| Achromatopsia (no color) | #4B4B4B | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901C30
#901C30
oklch(43% 0.15 17.4)
- #005C5E
#005C5E
oklch(43.1% 0.073 197.4)
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 #901C30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.031
- Auburn #9B2226 ΔE 0.031
- Carmine #9D0216 ΔE 0.036
- Cranberry #9E003A ΔE 0.036
- Brick Red #8F1402 ΔE 0.041
- Blood Red #980002 ΔE 0.041
- Deep Red #9A0200 ΔE 0.043
- Dark Red #8B0000 ΔE 0.047
Use #901C30 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.