#901F4C
Closest named color: Berry (#990F4B). oklch(44% 0.151 2), rgb(144, 31, 76).
Aa
White text reads best on this color (8.44:1).
About this color
#901F4C is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.151 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Berry (#990F4B), ΔE 0.021 away. White text reads best on it, at 8.44:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Berry (#990F4B) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #901F4C |
| RGB | rgb(144, 31, 76) |
| HSL | hsl(336, 65%, 34%) |
| OKLCH | oklch(44% 0.151 2) |
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 #901F4C | 8.44:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #901F4C | 2.48:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #901F4C text on white | 8.44:1 | AAA | Lc 87.8 | Fine for body text |
| #901F4C text on black | 2.48:1 | 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
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CCD6
oklch(88.4% 0.049 2.2)
-
Step 300
300
#F2A9BC
oklch(81% 0.089 2.2)
-
Step 400
400
#E7789A
oklch(70.8% 0.141 1.9)
-
Step 500
500
#DC4F81
oklch(63.1% 0.181 1.9)
-
Step 600
600
#C72A6A
oklch(55.5% 0.196 2)
-
Step 700
700
#AC1959
oklch(49.1% 0.183 1.8)
-
Step 800
800 (this color)
#901F4C
oklch(44% 0.151 2)
-
Step 900
900
#701E3D
oklch(37.7% 0.118 1.6)
-
Step 950
950
#421324
oklch(26.9% 0.075 1.1)
#901F4C 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) | #3A3F4D | 0.170 |
| Deuteranopia (no green cones) | #585549 | 0.154 |
| Tritanopia (no blue cones) | #9D0533 | 0.044 |
| Achromatopsia (no color) | #4D4D4D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901F4C
#901F4C
oklch(44% 0.151 2)
- #006056
#006056
oklch(43.9% 0.078 182.7)
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 #901F4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Berry #990F4B ΔE 0.021
- Mulberry #920A4E ΔE 0.021
- Purple Red #990147 ΔE 0.026
- Dark Fuchsia #9D0759 ΔE 0.038
- Cranberry #9E003A ΔE 0.039
- Red Wine #8C0034 ΔE 0.041
- Red Purple #820747 ΔE 0.044
- Deep Magenta #A0025C ΔE 0.046
Use #901F4C 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.