#901BB1
Closest named color: Dark Orchid (#9932CC). oklch(49.2% 0.222 316.9), rgb(144, 27, 177).
Aa
White text reads best on this color (7.05:1).
About this color
#901BB1 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.222 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.054 away. White text reads best on it, at 7.05:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.222) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #901BB1 |
| RGB | rgb(144, 27, 177) |
| HSL | hsl(287, 74%, 40%) |
| OKLCH | oklch(49.2% 0.222 316.9) |
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 #901BB1 | 7.05:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #901BB1 | 2.97:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #901BB1 text on white | 7.05:1 | AAA | Lc 82.9 | Fine for body text |
| #901BB1 text on black | 2.97:1 | Fails | Lc -19.0 | 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 700.
-
Step 50
50
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#E9CEF4
oklch(88.6% 0.059 316.2)
-
Step 300
300
#DDABEF
oklch(80.9% 0.108 316.9)
-
Step 400
400
#CB7AE6
oklch(70.7% 0.172 317.2)
-
Step 500
500
#BC52DF
oklch(63.1% 0.219 316.8)
-
Step 600
600
#A82CCC
oklch(55.6% 0.238 317.1)
-
Step 700
700 (this color)
#901BB1
oklch(49.2% 0.222 316.9)
-
Step 800
800
#751B8F
oklch(42.7% 0.184 317.1)
-
Step 900
900
#5E1F72
oklch(37.6% 0.143 316.8)
-
Step 950
950
#371443
oklch(26.9% 0.091 316.5)
#901BB1 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) | #0052B5 | 0.200 |
| Deuteranopia (no green cones) | #1C5CAE | 0.196 |
| Tritanopia (no blue cones) | #8E4169 | 0.140 |
| Achromatopsia (no color) | #595959 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901BB1
#901BB1
oklch(49.2% 0.222 316.9)
- #317300
#317300
oklch(49.3% 0.149 137)
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 #901BB1, closest first.
No curated palette has a color within ΔE 0.04 of #901BB1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.054
- Dark Violet #9400D3 ΔE 0.054
- Purply #983FB2 ΔE 0.056
- Dark Magenta #8B008B ΔE 0.064
- Warm Purple #952E8F ΔE 0.064
- Grape #7209B7 ΔE 0.068
- Blue Violet #8A2BE2 ΔE 0.081
- Vibrant Purple #AD03DE ΔE 0.086
Use #901BB1 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.