#901DAD
Closest named color: Purply (#983FB2). oklch(49% 0.217 318.1), rgb(144, 29, 173).
Aa
White text reads best on this color (7.08:1).
About this color
#901DAD is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.217 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.054 away. White text reads best on it, at 7.08:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.217) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #901DAD |
| RGB | rgb(144, 29, 173) |
| HSL | hsl(288, 71%, 40%) |
| OKLCH | oklch(49% 0.217 318.1) |
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 #901DAD | 7.08:1 | AAA | Lc -88.1 | Fine for body text |
| Black text on #901DAD | 2.96:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #901DAD text on white | 7.08:1 | AAA | Lc 83.1 | Fine for body text |
| #901DAD text on black | 2.96:1 | Fails | Lc -18.8 | 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACEF3
oklch(88.6% 0.058 317.9)
-
Step 300
300
#DDABED
oklch(80.9% 0.105 317.8)
-
Step 400
400
#CB7BE3
oklch(70.7% 0.167 318.1)
-
Step 500
500
#BD53DB
oklch(63.2% 0.214 318.1)
-
Step 600
600
#A82EC8
oklch(55.5% 0.233 318.1)
-
Step 700
700 (this color)
#901DAD
oklch(49% 0.217 318.1)
-
Step 800
800
#751D8C
oklch(42.7% 0.179 318.1)
-
Step 900
900
#5F2070
oklch(37.7% 0.14 318.3)
-
Step 950
950
#381442
oklch(27% 0.09 318.3)
#901DAD 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) | #0051B1 | 0.201 |
| Deuteranopia (no green cones) | #245CAA | 0.192 |
| Tritanopia (no blue cones) | #8F4067 | 0.136 |
| Achromatopsia (no color) | #585858 | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901DAD
#901DAD
oklch(49% 0.217 318.1)
- #2C7300
#2C7300
oklch(49.1% 0.152 138.1)
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 #901DAD, closest first.
No curated palette has a color within ΔE 0.04 of #901DAD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.054
- Warm Purple #952E8F ΔE 0.058
- Dark Orchid #9932CC ΔE 0.058
- Dark Magenta #8B008B ΔE 0.059
- Dark Violet #9400D3 ΔE 0.061
- Grape #7209B7 ΔE 0.071
- Purple #800080 ΔE 0.082
- Blue Violet #8A2BE2 ΔE 0.087
Use #901DAD 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.