#903BC7
Closest named color: Dark Orchid (#9932CC). oklch(53.5% 0.21 308.7), rgb(144, 59, 199).
Aa
White text reads best on this color (5.77:1).
About this color
#903BC7 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.210 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.021 away. White text reads best on it, at 5.77:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.210) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #903BC7 |
| RGB | rgb(144, 59, 199) |
| HSL | hsl(276, 56%, 51%) |
| OKLCH | oklch(53.5% 0.21 308.7) |
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 #903BC7 | 5.77:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #903BC7 | 3.63:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #903BC7 text on white | 5.77:1 | AA | Lc 78.1 | Fine for body text |
| #903BC7 text on black | 3.63:1 | AA large text | Lc -23.7 | 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 600.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E3D0F4
oklch(88.4% 0.053 309)
-
Step 300
300
#D2B0F0
oklch(80.9% 0.095 308.5)
-
Step 400
400
#BC84E8
oklch(70.7% 0.152 308.8)
-
Step 500
500
#AB61E0
oklch(63.1% 0.192 308.8)
-
Step 600
600 (this color)
#903BC7
oklch(53.5% 0.21 308.7)
-
Step 700
700
#8032B2
oklch(49% 0.195 308.7)
-
Step 800
800
#682C90
oklch(42.7% 0.16 308.6)
-
Step 900
900
#552973
oklch(37.7% 0.126 309)
-
Step 950
950
#321943
oklch(27% 0.079 309.6)
#903BC7 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) | #0062CB | 0.174 |
| Deuteranopia (no green cones) | #1967C4 | 0.171 |
| Tritanopia (no blue cones) | #885A7D | 0.145 |
| Achromatopsia (no color) | #666666 | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903BC7
#903BC7
oklch(53.5% 0.21 308.7)
- #547C00
#547C00
oklch(53.6% 0.141 128.6)
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 #903BC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.021
- Purply #983FB2 ΔE 0.039
- Blue Violet #8A2BE2 ΔE 0.050
- Dark Violet #9400D3 ΔE 0.055
- Purpley #8756E4 ΔE 0.067
- Vibrant Purple #AD03DE ΔE 0.074
- Deep Lavender #8D5EB7 ΔE 0.078
- Amethyst #9B5FC0 ΔE 0.080
Use #903BC7 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.