#901C52
Closest named color: Mulberry (#920A4E). oklch(44% 0.157 358), rgb(144, 28, 82).
Aa
White text reads best on this color (8.48:1).
About this color
#901C52 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.157 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.015 away. White text reads best on it, at 8.48:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #901C52 |
| RGB | rgb(144, 28, 82) |
| HSL | hsl(332, 67%, 34%) |
| OKLCH | oklch(44% 0.157 358) |
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 #901C52 | 8.48:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #901C52 | 2.47:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #901C52 text on white | 8.48:1 | AAA | Lc 87.9 | Fine for body text |
| #901C52 text on black | 2.47:1 | Fails | Lc -14.3 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F7CCD9
oklch(88.6% 0.051 358.1)
-
Step 300
300
#F2A8C0
oklch(80.9% 0.092 358.3)
-
Step 400
400
#E776A0
oklch(70.6% 0.146 358)
-
Step 500
500
#DC4C89
oklch(63% 0.187 357.8)
-
Step 600
600
#C82673
oklch(55.7% 0.203 358)
-
Step 700
700
#AC1460
oklch(49.1% 0.189 358.1)
-
Step 800
800 (this color)
#901C52
oklch(44% 0.157 358)
-
Step 900
900
#701C41
oklch(37.6% 0.122 357.9)
-
Step 950
950
#421226
oklch(26.9% 0.077 357.9)
#901C52 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) | #363F53 | 0.177 |
| Deuteranopia (no green cones) | #56554F | 0.159 |
| Tritanopia (no blue cones) | #9C0535 | 0.049 |
| Achromatopsia (no color) | #4D4D4D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901C52
#901C52
oklch(44% 0.157 358)
- #006152
#006152
oklch(44.1% 0.082 177.3)
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 #901C52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.015
- Berry #990F4B ΔE 0.021
- Purple Red #990147 ΔE 0.027
- Dark Fuchsia #9D0759 ΔE 0.031
- Deep Magenta #A0025C ΔE 0.038
- Red Purple #820747 ΔE 0.042
- Violet Red #A50055 ΔE 0.043
- Cranberry #9E003A ΔE 0.045
Use #901C52 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.