#901F65
Closest named color: Red Violet (#9E0168). oklch(45% 0.163 347.8), rgb(144, 31, 101).
Aa
White text reads best on this color (8.17:1).
About this color
#901F65 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 0.033 away. White text reads best on it, at 8.17:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #901F65 |
| RGB | rgb(144, 31, 101) |
| HSL | hsl(323, 65%, 34%) |
| OKLCH | oklch(45% 0.163 347.8) |
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 #901F65 | 8.17:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #901F65 | 2.56:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #901F65 text on white | 8.17:1 | AAA | Lc 87.0 | Fine for body text |
| #901F65 text on black | 2.56:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#FCF2F7
oklch(97% 0.013 345.5)
-
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
#EFA8CC
oklch(81% 0.095 347.6)
-
Step 400
400
#E376B1
oklch(70.7% 0.151 348)
-
Step 500
500
#D84C9E
oklch(63.1% 0.193 347.9)
-
Step 600
600
#C32489
oklch(55.6% 0.211 347.7)
-
Step 700
700
#A81374
oklch(49.1% 0.196 347.9)
-
Step 800
800 (this color)
#901F65
oklch(45% 0.163 347.8)
-
Step 900
900
#6E1C4D
oklch(37.7% 0.126 348.1)
-
Step 950
950
#41122D
oklch(27% 0.08 348.3)
#901F65 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) | #314367 | 0.181 |
| Deuteranopia (no green cones) | #525662 | 0.159 |
| Tritanopia (no blue cones) | #9B1A3F | 0.066 |
| Achromatopsia (no color) | #4F4F4F | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901F65
#901F65
oklch(45% 0.163 347.8)
- #00654B
#00654B
oklch(45% 0.091 167.7)
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 #901F65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.033
- Dark Fuchsia #9D0759 ΔE 0.034
- Deep Magenta #A0025C ΔE 0.037
- Mulberry #920A4E ΔE 0.038
- Berry #990F4B ΔE 0.045
- Violet Red #A50055 ΔE 0.050
- Purple Red #990147 ΔE 0.051
- Red Purple #820747 ΔE 0.059
Use #901F65 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.