#603FCE
Closest named color: Bluey Purple (#6241C7). oklch(49.3% 0.207 286.7), rgb(96, 63, 206).
Aa
White text reads best on this color (6.77:1).
About this color
#603FCE is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.207 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.012 away. White text reads best on it, at 6.77:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.09:1 |
| White text | 6.77:1 |
Values
| HEX | #603FCE |
| RGB | rgb(96, 63, 206) |
| HSL | hsl(254, 59%, 53%) |
| OKLCH | oklch(49.3% 0.207 286.7) |
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 #603FCE | 6.77:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #603FCE | 3.09:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #603FCE text on white | 6.77:1 | AA | Lc 82.7 | Fine for body text |
| #603FCE text on black | 3.09:1 | AA large text | Lc -19.3 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FD
oklch(88.5% 0.056 287.4)
-
Step 300
300
#BBB7FF
oklch(80.9% 0.101 286.5)
-
Step 400
400
#9B8EFF
oklch(70.7% 0.161 286.8)
-
Step 500
500
#856DFD
oklch(63.1% 0.206 286.6)
-
Step 600
600
#714FEC
oklch(55.6% 0.223 286.6)
-
Step 700
700 (this color)
#603FCE
oklch(49.3% 0.207 286.7)
-
Step 800
800
#4D35A6
oklch(42.7% 0.172 286.4)
-
Step 900
900
#403083
oklch(37.7% 0.133 287)
-
Step 950
950
#251D4D
oklch(27% 0.085 286.9)
#603FCE 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) | #005FD2 | 0.100 |
| Deuteranopia (no green cones) | #0057CB | 0.096 |
| Tritanopia (no blue cones) | #336482 | 0.170 |
| Achromatopsia (no color) | #5B5B5B | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603FCE
#603FCE
oklch(49.3% 0.207 286.7)
- #696500
#696500
oklch(49.4% 0.106 107)
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 #603FCE, closest first.
No curated palette has a color within ΔE 0.04 of #603FCE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.012
- Blurple #5539CC ΔE 0.023
- Blue With A Hint Of Purple #533CC6 ΔE 0.027
- Burple #6832E3 ΔE 0.038
- Purpley Blue #5F34E7 ΔE 0.042
- Purple Blue #5D21D0 ΔE 0.046
- Iris #6258C4 ΔE 0.057
- Warm Blue #4B57DB ΔE 0.058
Use #603FCE 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.