#5F3F8E
Closest named color: Rebecca Purple (#663399). oklch(44.3% 0.127 299.9), rgb(95, 63, 142).
Aa
White text reads best on this color (8.11:1).
About this color
#5F3F8E is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.127 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #5F3F8E |
| RGB | rgb(95, 63, 142) |
| HSL | hsl(264, 39%, 40%) |
| OKLCH | oklch(44.3% 0.127 299.9) |
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 #5F3F8E | 8.11:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #5F3F8E | 2.58:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #5F3F8E text on white | 8.11:1 | AAA | Lc 87.8 | Fine for body text |
| #5F3F8E 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD4F1
oklch(88.6% 0.041 299.7)
-
Step 300
300
#C8B6EA
oklch(80.9% 0.075 300.6)
-
Step 400
400
#AC8FE0
oklch(70.7% 0.119 299.8)
-
Step 500
500
#9871D7
oklch(63.1% 0.152 299.7)
-
Step 600
600
#8357C4
oklch(55.6% 0.165 299.7)
-
Step 700
700
#6F46A9
oklch(49% 0.154 299.8)
-
Step 800
800 (this color)
#5F3F8E
oklch(44.3% 0.127 299.9)
-
Step 900
900
#4A336E
oklch(37.7% 0.099 299.6)
-
Step 950
950
#2B1E40
oklch(26.9% 0.063 299.8)
#5F3F8E 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) | #204F91 | 0.090 |
| Deuteranopia (no green cones) | #2A4F8C | 0.083 |
| Tritanopia (no blue cones) | #554F60 | 0.099 |
| Achromatopsia (no color) | #505050 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3F8E
#5F3F8E
oklch(44.3% 0.127 299.9)
- #4C5B00
#4C5B00
oklch(44.3% 0.105 120.1)
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 #5F3F8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.068
- Light Eggplant #894585 ΔE 0.085
- Denim Blue #3B5B92 ΔE 0.086
- Dusty Grape #545775 ΔE 0.086
Use #5F3F8E 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.