#903DE1
Closest named color: Blue Violet (#8A2BE2). oklch(55.6% 0.233 302.3), rgb(144, 61, 225).
Aa
White text reads best on this color (5.32:1).
About this color
#903DE1 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.233 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 5.32:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.233) |
| Temperature | in between |
| Nearest name | Blue Violet (#8A2BE2) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #903DE1 |
| RGB | rgb(144, 61, 225) |
| HSL | hsl(270, 73%, 56%) |
| OKLCH | oklch(55.6% 0.233 302.3) |
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 #903DE1 | 5.32:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #903DE1 | 3.94:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #903DE1 text on white | 5.32:1 | AA | Lc 75.6 | Fine for body text |
| #903DE1 text on black | 3.94:1 | AA large text | Lc -26.1 | 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
#EDE5FB
oklch(93.5% 0.031 302.3)
-
Step 200
200
#E0D1FA
oklch(88.6% 0.058 301.9)
-
Step 300
300
#CDB0F9
oklch(80.8% 0.105 302.3)
-
Step 400
400
#B583F6
oklch(70.6% 0.168 302.4)
-
Step 500
500
#A45EF2
oklch(63.1% 0.215 302.4)
-
Step 600
600 (this color)
#903DE1
oklch(55.6% 0.233 302.3)
-
Step 700
700
#7B2CC3
oklch(49.1% 0.217 302.6)
-
Step 800
800
#64289E
oklch(42.8% 0.179 302.5)
-
Step 900
900
#51277D
oklch(37.7% 0.14 302.6)
-
Step 950
950
#2F1849
oklch(26.9% 0.088 302.5)
#903DE1 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) | #006AE6 | 0.167 |
| Deuteranopia (no green cones) | #006ADE | 0.168 |
| Tritanopia (no blue cones) | #7F668C | 0.171 |
| Achromatopsia (no color) | #6B6B6B | 0.235 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903DE1
#903DE1
oklch(55.6% 0.233 302.3)
- #667F00
#667F00
oklch(55.6% 0.135 122.3)
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 #903DE1, closest first.
No curated palette has a color within ΔE 0.04 of #903DE1.
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 0.040
- Purpley #8756E4 ΔE 0.046
- Vivid Purple #9900FA ΔE 0.058
- Dark Violet #9400D3 ΔE 0.059
- Electric Purple #AA23FF ΔE 0.066
- Vibrant Purple #AD03DE ΔE 0.070
- Lighter Purple #A55AF4 ΔE 0.072
Use #903DE1 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.