#603E84
Closest named color: Rebecca Purple (#663399). oklch(43.6% 0.116 304.5), rgb(96, 62, 132).
Aa
White text reads best on this color (8.33:1).
About this color
#603E84 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.116 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.045 away. White text reads best on it, at 8.33:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #603E84 |
| RGB | rgb(96, 62, 132) |
| HSL | hsl(269, 36%, 38%) |
| OKLCH | oklch(43.6% 0.116 304.5) |
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 #603E84 | 8.33:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #603E84 | 2.51:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #603E84 text on white | 8.33:1 | AAA | Lc 88.5 | Fine for body text |
| #603E84 text on black | 2.51:1 | Fails | Lc -13.7 | Not readable |
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 800.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DED3EE
oklch(88.4% 0.038 304)
-
Step 300
300
#CAB6E5
oklch(80.9% 0.069 304.3)
-
Step 400
400
#B08FD7
oklch(70.7% 0.108 304.8)
-
Step 500
500
#9C72CC
oklch(63.1% 0.137 304.3)
-
Step 600
600
#8758B9
oklch(55.5% 0.15 304.3)
-
Step 700
700
#73489F
oklch(49.1% 0.139 304.6)
-
Step 800
800 (this color)
#603E84
oklch(43.6% 0.116 304.5)
-
Step 900
900
#4C3468
oklch(37.7% 0.09 303.7)
-
Step 950
950
#2D1F3D
oklch(27.1% 0.057 304.4)
#603E84 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) | #284D86 | 0.087 |
| Deuteranopia (no green cones) | #324E82 | 0.079 |
| Tritanopia (no blue cones) | #5A4B5B | 0.086 |
| Achromatopsia (no color) | #4E4E4E | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603E84
#603E84
oklch(43.6% 0.116 304.5)
- #445B00
#445B00
oklch(43.6% 0.109 124.8)
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 #603E84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.054
- Twilight #4E518B ΔE 0.055
- Dusk #4E5481 ΔE 0.065
- Dusty Grape #545775 ΔE 0.080
- Light Eggplant #894585 ΔE 0.082
- Denim Blue #3B5B92 ΔE 0.089
Use #603E84 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.