#603C95
Closest named color: Rebecca Purple (#663399). oklch(44.4% 0.141 299.2), rgb(96, 60, 149).
Aa
White text reads best on this color (8.14:1).
About this color
#603C95 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.141 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.022 away. White text reads best on it, at 8.14:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #603C95 |
| RGB | rgb(96, 60, 149) |
| HSL | hsl(264, 43%, 41%) |
| OKLCH | oklch(44.4% 0.141 299.2) |
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 #603C95 | 8.14:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #603C95 | 2.57:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #603C95 text on white | 8.14:1 | AAA | Lc 87.8 | Fine for body text |
| #603C95 text on black | 2.57:1 | Fails | Lc -14.3 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C8B5EF
oklch(80.9% 0.083 299.6)
-
Step 400
400
#AC8DE7
oklch(70.7% 0.132 298.9)
-
Step 500
500
#996DDF
oklch(63% 0.169 299.3)
-
Step 600
600
#8452CD
oklch(55.5% 0.183 299.1)
-
Step 700
700
#7042B1
oklch(49.1% 0.169 299.1)
-
Step 800
800 (this color)
#603C95
oklch(44.4% 0.141 299.2)
-
Step 900
900
#4B3173
oklch(37.8% 0.11 299.3)
-
Step 950
950
#2C1D43
oklch(27% 0.07 300)
#603C95 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) | #0C4F98 | 0.104 |
| Deuteranopia (no green cones) | #1F4F93 | 0.096 |
| Tritanopia (no blue cones) | #544F62 | 0.110 |
| Achromatopsia (no color) | #4F4F4F | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603C95
#603C95
oklch(44.4% 0.141 299.2)
- #4D5B00
#4D5B00
oklch(44.3% 0.105 119.5)
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 #603C95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.022
- Blueberry #464196 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight #4E518B ΔE 0.063
- Dusk #4E5481 ΔE 0.080
- Bluey Purple #6241C7 ΔE 0.080
- Blue With A Hint Of Purple #533CC6 ΔE 0.083
- Chrysanthemum #560BAD ΔE 0.086
Use #603C95 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.