#903BA0
Closest named color: Purply (#983FB2). oklch(50.9% 0.172 321), rgb(144, 59, 160).
Aa
White text reads best on this color (6.32:1).
About this color
#903BA0 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.172 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.032 away. White text reads best on it, at 6.32:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.31:1 |
| White text | 6.32:1 |
Values
| HEX | #903BA0 |
| RGB | rgb(144, 59, 160) |
| HSL | hsl(290, 46%, 43%) |
| OKLCH | oklch(50.9% 0.172 321) |
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 #903BA0 | 6.32:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #903BA0 | 3.31:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #903BA0 text on white | 6.32:1 | AA | Lc 80.8 | Fine for body text |
| #903BA0 text on black | 3.31:1 | AA large text | Lc -21.0 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F4
oklch(93.7% 0.024 321.7)
-
Step 200
200
#E8D0EC
oklch(88.6% 0.046 321.4)
-
Step 300
300
#DAAFE2
oklch(80.9% 0.084 321)
-
Step 400
400
#C684D3
oklch(70.8% 0.132 320.8)
-
Step 500
500
#B661C7
oklch(63% 0.17 320.7)
-
Step 600
600
#A245B3
oklch(55.7% 0.184 321.2)
-
Step 700
700 (this color)
#903BA0
oklch(50.9% 0.172 321)
-
Step 800
800
#702D7D
oklch(42.6% 0.142 320.8)
-
Step 900
900
#5B2A65
oklch(37.8% 0.111 320.6)
-
Step 950
950
#35193B
oklch(26.9% 0.07 320.3)
#903BA0 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) | #235AA3 | 0.169 |
| Deuteranopia (no green cones) | #45639D | 0.147 |
| Tritanopia (no blue cones) | #914B68 | 0.105 |
| Achromatopsia (no color) | #606060 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903BA0
#903BA0
oklch(50.9% 0.172 321)
- #197B00
#197B00
oklch(50.8% 0.167 141)
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 #903BA0, closest first.
No curated palette has a color within ΔE 0.04 of #903BA0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.032
- Warm Purple #952E8F ΔE 0.034
- Light Eggplant #894585 ΔE 0.052
- Dark Orchid #9932CC ΔE 0.072
- Dark Magenta #8B008B ΔE 0.075
- Deep Lavender #8D5EB7 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.087
- Amethyst #9B5FC0 ΔE 0.089
Use #903BA0 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.