#901F5F
Closest named color: Mulberry (#920A4E). oklch(44.7% 0.159 351.1), rgb(144, 31, 95).
Aa
White text reads best on this color (8.24:1).
About this color
#901F5F is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.159 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.029 away. White text reads best on it, at 8.24:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #901F5F |
| RGB | rgb(144, 31, 95) |
| HSL | hsl(326, 65%, 34%) |
| OKLCH | oklch(44.7% 0.159 351.1) |
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 #901F5F | 8.24:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #901F5F | 2.54:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #901F5F text on white | 8.24:1 | AAA | Lc 87.2 | Fine for body text |
| #901F5F text on black | 2.54:1 | Fails | Lc -14.9 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F5CCDD
oklch(88.5% 0.051 351.3)
-
Step 300
300
#F0A8C8
oklch(80.9% 0.093 351.1)
-
Step 400
400
#E476AC
oklch(70.6% 0.149 350.8)
-
Step 500
500
#D94C97
oklch(63% 0.191 351.1)
-
Step 600
600
#C42682
oklch(55.6% 0.207 350.9)
-
Step 700
700
#A9156E
oklch(49.1% 0.192 350.9)
-
Step 800
800 (this color)
#901F5F
oklch(44.7% 0.159 351.1)
-
Step 900
900
#6F1C49
oklch(37.7% 0.125 351.5)
-
Step 950
950
#41122B
oklch(26.9% 0.079 350.8)
#901F5F 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) | #334261 | 0.179 |
| Deuteranopia (no green cones) | #54565C | 0.158 |
| Tritanopia (no blue cones) | #9B163C | 0.059 |
| Achromatopsia (no color) | #4F4F4F | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901F5F
#901F5F
oklch(44.7% 0.159 351.1)
- #00644E
#00644E
oklch(44.8% 0.088 170.9)
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 #901F5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.029
- Dark Fuchsia #9D0759 ΔE 0.030
- Deep Magenta #A0025C ΔE 0.035
- Berry #990F4B ΔE 0.036
- Red Violet #9E0168 ΔE 0.036
- Purple Red #990147 ΔE 0.042
- Violet Red #A50055 ΔE 0.046
- Red Purple #820747 ΔE 0.053
Use #901F5F 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.