#901E64
Closest named color: Red Violet (#9E0168). oklch(44.9% 0.163 348.3), rgb(144, 30, 100).
Aa
White text reads best on this color (8.21:1).
About this color
#901E64 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.163 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.032 away. White text reads best on it, at 8.21:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #901E64 |
| RGB | rgb(144, 30, 100) |
| HSL | hsl(323, 66%, 34%) |
| OKLCH | oklch(44.9% 0.163 348.3) |
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 #901E64 | 8.21:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #901E64 | 2.55:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #901E64 text on white | 8.21:1 | AAA | Lc 87.1 | Fine for body text |
| #901E64 text on black | 2.55:1 | Fails | Lc -15.0 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F5CCDF
oklch(88.6% 0.052 348.6)
-
Step 300
300
#EFA8CB
oklch(80.9% 0.094 348.4)
-
Step 400
400
#E475B1
oklch(70.7% 0.153 348.1)
-
Step 500
500
#D94B9D
oklch(63.1% 0.195 348.5)
-
Step 600
600
#C42388
oklch(55.6% 0.212 348.3)
-
Step 700
700
#A91173
oklch(49.2% 0.197 348.5)
-
Step 800
800 (this color)
#901E64
oklch(44.9% 0.163 348.3)
-
Step 900
900
#6E1B4D
oklch(37.6% 0.127 348)
-
Step 950
950
#41122D
oklch(27% 0.08 348.3)
#901E64 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) | #304266 | 0.183 |
| Deuteranopia (no green cones) | #525661 | 0.160 |
| Tritanopia (no blue cones) | #9B183F | 0.064 |
| Achromatopsia (no color) | #4F4F4F | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901E64
#901E64
oklch(44.9% 0.163 348.3)
- #00644B
#00644B
oklch(44.7% 0.09 168.3)
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 #901E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.032
- Dark Fuchsia #9D0759 ΔE 0.033
- Deep Magenta #A0025C ΔE 0.036
- Mulberry #920A4E ΔE 0.036
- Berry #990F4B ΔE 0.044
- Violet Red #A50055 ΔE 0.049
- Purple Red #990147 ΔE 0.049
- Red Purple #820747 ΔE 0.058
Use #901E64 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.