#903DD0
Closest named color: Dark Orchid (#9932CC). oklch(54.4% 0.216 306.2), rgb(144, 61, 208).
Aa
White text reads best on this color (5.57:1).
About this color
#903DD0 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.216 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.023 away. White text reads best on it, at 5.57:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.216) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #903DD0 |
| RGB | rgb(144, 61, 208) |
| HSL | hsl(274, 61%, 53%) |
| OKLCH | oklch(54.4% 0.216 306.2) |
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 #903DD0 | 5.57:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #903DD0 | 3.76:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #903DD0 text on white | 5.57:1 | AA | Lc 77.0 | Fine for body text |
| #903DD0 text on black | 3.76:1 | AA large text | Lc -24.7 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5F9
oklch(93.5% 0.028 306)
-
Step 200
200
#E2D1F6
oklch(88.6% 0.053 306.1)
-
Step 300
300
#D0B0F3
oklch(80.8% 0.098 306.1)
-
Step 400
400
#B984EC
oklch(70.6% 0.156 306.3)
-
Step 500
500
#A860E6
oklch(63% 0.199 306.3)
-
Step 600
600 (this color)
#903DD0
oklch(54.4% 0.216 306.2)
-
Step 700
700
#7E31B8
oklch(49.1% 0.202 306.2)
-
Step 800
800
#662B95
oklch(42.7% 0.167 305.9)
-
Step 900
900
#532977
oklch(37.7% 0.13 305.9)
-
Step 950
950
#311945
oklch(27% 0.082 306.9)
#903DD0 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) | #0065D4 | 0.171 |
| Deuteranopia (no green cones) | #0068CD | 0.173 |
| Tritanopia (no blue cones) | #855F83 | 0.153 |
| Achromatopsia (no color) | #686868 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903DD0
#903DD0
oklch(54.4% 0.216 306.2)
- #5B7D00
#5B7D00
oklch(54.3% 0.139 126.3)
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 #903DD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.023
- Blue Violet #8A2BE2 ΔE 0.040
- Purply #983FB2 ΔE 0.051
- Dark Violet #9400D3 ΔE 0.055
- Purpley #8756E4 ΔE 0.056
- Vibrant Purple #AD03DE ΔE 0.071
- Vivid Purple #9900FA ΔE 0.078
- Light Indigo #6D5ACF ΔE 0.079
Use #903DD0 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.