#5F3A8F
Closest named color: Rebecca Purple (#663399). oklch(43.5% 0.136 301), rgb(95, 58, 143).
Aa
White text reads best on this color (8.43:1).
About this color
#5F3A8F is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.136 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.025 away. White text reads best on it, at 8.43:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.48:1 |
| White text | 8.43:1 |
Values
| HEX | #5F3A8F |
| RGB | rgb(95, 58, 143) |
| HSL | hsl(266, 42%, 39%) |
| OKLCH | oklch(43.5% 0.136 301) |
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 #5F3A8F | 8.43:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #5F3A8F | 2.48:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #5F3A8F text on white | 8.43:1 | AAA | Lc 88.7 | Fine for body text |
| #5F3A8F text on black | 2.48:1 | Fails | Lc -13.5 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F2
oklch(88.5% 0.044 301.7)
-
Step 300
300
#C9B5ED
oklch(80.9% 0.081 301)
-
Step 400
400
#AE8DE3
oklch(70.7% 0.127 300.9)
-
Step 500
500
#9B6EDB
oklch(63.1% 0.162 300.9)
-
Step 600
600
#8653C9
oklch(55.6% 0.177 300.7)
-
Step 700
700
#7243AD
oklch(49.1% 0.163 301)
-
Step 800
800 (this color)
#5F3A8F
oklch(43.5% 0.136 301)
-
Step 900
900
#4C3170
oklch(37.7% 0.106 301.3)
-
Step 950
950
#2C1D42
oklch(26.9% 0.068 300.6)
#5F3A8F 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) | #114D92 | 0.103 |
| Deuteranopia (no green cones) | #224D8D | 0.094 |
| Tritanopia (no blue cones) | #554B5F | 0.102 |
| Achromatopsia (no color) | #4D4D4D | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3A8F
#5F3A8F
oklch(43.5% 0.136 301)
- #495900
#495900
oklch(43.5% 0.104 121)
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 #5F3A8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.046
- Twilight #4E518B ΔE 0.064
- Dusk #4E5481 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.088
- Bluey Purple #6241C7 ΔE 0.090
- Light Eggplant #894585 ΔE 0.091
Use #5F3A8F 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.