#903DE4
Closest named color: Blue Violet (#8A2BE2). oklch(55.9% 0.236 301.7), rgb(144, 61, 228).
Aa
White text reads best on this color (5.28:1).
About this color
#903DE4 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.236 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blue Violet (#8A2BE2), ΔE 0.029 away. White text reads best on it, at 5.28:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.236) |
| Temperature | in between |
| Nearest name | Blue Violet (#8A2BE2) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #903DE4 |
| RGB | rgb(144, 61, 228) |
| HSL | hsl(270, 76%, 57%) |
| OKLCH | oklch(55.9% 0.236 301.7) |
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 #903DE4 | 5.28:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #903DE4 | 3.97:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #903DE4 text on white | 5.28:1 | AA | Lc 75.3 | Fine for body text |
| #903DE4 text on black | 3.97:1 | AA large text | Lc -26.4 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE5FC
oklch(93.5% 0.032 301.6)
-
Step 200
200
#E0D1FB
oklch(88.6% 0.059 301.5)
-
Step 300
300
#CDB0FA
oklch(80.8% 0.107 302)
-
Step 400
400
#B483F8
oklch(70.6% 0.171 301.5)
-
Step 500
500
#A35EF4
oklch(63.1% 0.217 301.6)
-
Step 600
600 (this color)
#903DE4
oklch(55.9% 0.236 301.7)
-
Step 700
700
#7A2CC5
oklch(49.1% 0.219 301.7)
-
Step 800
800
#63279F
oklch(42.7% 0.181 301.8)
-
Step 900
900
#50277F
oklch(37.7% 0.142 301.2)
-
Step 950
950
#2F184A
oklch(27% 0.09 301.9)
#903DE4 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) | #006BE9 | 0.167 |
| Deuteranopia (no green cones) | #006BE1 | 0.168 |
| Tritanopia (no blue cones) | #7E678E | 0.173 |
| Achromatopsia (no color) | #6C6C6C | 0.238 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903DE4
#903DE4
oklch(55.9% 0.236 301.7)
- #687F00
#687F00
oklch(55.8% 0.135 121.4)
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 #903DE4, closest first.
No curated palette has a color within ΔE 0.04 of #903DE4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Violet #8A2BE2 ΔE 0.029
- Dark Orchid #9932CC ΔE 0.044
- Purpley #8756E4 ΔE 0.045
- Vivid Purple #9900FA ΔE 0.056
- Dark Violet #9400D3 ΔE 0.061
- Electric Purple #AA23FF ΔE 0.064
- Vibrant Purple #AD03DE ΔE 0.071
- Lighter Purple #A55AF4 ΔE 0.071
Use #903DE4 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.