#903DA8
Closest named color: Purply (#983FB2). oklch(51.7% 0.177 317.9), rgb(144, 61, 168).
Aa
White text reads best on this color (6.14:1).
About this color
#903DA8 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.177 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.022 away. White text reads best on it, at 6.14:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #903DA8 |
| RGB | rgb(144, 61, 168) |
| HSL | hsl(287, 47%, 45%) |
| OKLCH | oklch(51.7% 0.177 317.9) |
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 #903DA8 | 6.14:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #903DA8 | 3.41:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #903DA8 text on white | 6.14:1 | AA | Lc 80.0 | Fine for body text |
| #903DA8 text on black | 3.41:1 | AA large text | Lc -21.8 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E7D0EE
oklch(88.6% 0.047 318.3)
-
Step 300
300
#D8B0E5
oklch(81% 0.085 317.8)
-
Step 400
400
#C484D8
oklch(70.8% 0.137 317.9)
-
Step 500
500
#B461CD
oklch(63.1% 0.176 317.9)
-
Step 600
600
#9F44B9
oklch(55.5% 0.19 318)
-
Step 700
700 (this color)
#903DA8
oklch(51.7% 0.177 317.9)
-
Step 800
800
#6F2D82
oklch(42.8% 0.147 318)
-
Step 900
900
#5A2A68
oklch(37.8% 0.113 318.1)
-
Step 950
950
#35193D
oklch(27% 0.073 318.3)
#903DA8 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) | #1C5CAB | 0.170 |
| Deuteranopia (no green cones) | #4164A5 | 0.147 |
| Tritanopia (no blue cones) | #8F506D | 0.113 |
| Achromatopsia (no color) | #626262 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903DA8
#903DA8
oklch(51.7% 0.177 317.9)
- #317C00
#317C00
oklch(51.8% 0.16 137.9)
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 #903DA8, closest first.
No curated palette has a color within ΔE 0.04 of #903DA8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.022
- Warm Purple #952E8F ΔE 0.045
- Dark Orchid #9932CC ΔE 0.061
- Light Eggplant #894585 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.071
- Amethyst #9B5FC0 ΔE 0.081
- Dark Magenta #8B008B ΔE 0.083
- Rebecca Purple #663399 ΔE 0.089
Use #903DA8 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.