#5A3F96
Closest named color: Rebecca Purple (#663399). oklch(44.3% 0.137 294.5), rgb(90, 63, 150).
Aa
White text reads best on this color (8.12:1).
About this color
#5A3F96 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.137 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 8.12:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #5A3F96 |
| RGB | rgb(90, 63, 150) |
| HSL | hsl(259, 41%, 42%) |
| OKLCH | oklch(44.3% 0.137 294.5) |
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 #5A3F96 | 8.12:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #5A3F96 | 2.58:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #5A3F96 text on white | 8.12:1 | AAA | Lc 87.8 | Fine for body text |
| #5A3F96 text on black | 2.58:1 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C3B7F0
oklch(80.9% 0.08 294.2)
-
Step 400
400
#A690E8
oklch(70.8% 0.127 294.4)
-
Step 500
500
#9171E1
oklch(63% 0.164 294.4)
-
Step 600
600
#7D57CF
oklch(55.7% 0.178 294.5)
-
Step 700
700
#6946B3
oklch(49.1% 0.165 294.3)
-
Step 800
800 (this color)
#5A3F96
oklch(44.3% 0.137 294.5)
-
Step 900
900
#463374
oklch(37.7% 0.107 294.1)
-
Step 950
950
#291E44
oklch(26.9% 0.069 294.7)
#5A3F96 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) | #115099 | 0.090 |
| Deuteranopia (no green cones) | #1B4E94 | 0.085 |
| Tritanopia (no blue cones) | #4B5164 | 0.108 |
| Achromatopsia (no color) | #505050 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3F96
#5A3F96
oklch(44.3% 0.137 294.5)
- #535900
#535900
oklch(44.3% 0.1 114.2)
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 #5A3F96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Blueberry #464196 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.037
- Twilight #4E518B ΔE 0.055
- Dusk #4E5481 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
- Bluey Purple #6241C7 ΔE 0.079
- Cobalt #1E488F ΔE 0.083
Use #5A3F96 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.