#5F3B9C
Closest named color: Rebecca Purple (#663399). oklch(44.6% 0.151 296.9), rgb(95, 59, 156).
Aa
White text reads best on this color (8.10:1).
About this color
#5F3B9C is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.151 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.021 away. White text reads best on it, at 8.10:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.59:1 |
| White text | 8.10:1 |
Values
| HEX | #5F3B9C |
| RGB | rgb(95, 59, 156) |
| HSL | hsl(262, 45%, 42%) |
| OKLCH | oklch(44.6% 0.151 296.9) |
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 #5F3B9C | 8.10:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #5F3B9C | 2.59:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #5F3B9C text on white | 8.10:1 | AAA | Lc 87.6 | Fine for body text |
| #5F3B9C text on black | 2.59:1 | Fails | Lc -14.5 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DCD3F6
oklch(88.5% 0.049 297.2)
-
Step 300
300
#C6B5F3
oklch(80.9% 0.088 297)
-
Step 400
400
#AA8CED
oklch(70.7% 0.141 296.9)
-
Step 500
500
#976CE8
oklch(63.2% 0.181 296.9)
-
Step 600
600
#8250D6
oklch(55.7% 0.196 296.7)
-
Step 700
700
#6E3FB9
oklch(49% 0.183 296.8)
-
Step 800
800 (this color)
#5F3B9C
oklch(44.6% 0.151 296.9)
-
Step 900
900
#493077
oklch(37.7% 0.117 296.6)
-
Step 950
950
#2B1D46
oklch(27.1% 0.074 296.9)
#5F3B9C 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) | #00509F | 0.106 |
| Deuteranopia (no green cones) | #0D4F9A | 0.103 |
| Tritanopia (no blue cones) | #505066 | 0.117 |
| Achromatopsia (no color) | #505050 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3B9C
#5F3B9C
oklch(44.6% 0.151 296.9)
- #515B00
#515B00
oklch(44.7% 0.103 116.9)
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 #5F3B9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Blueberry #464196 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.049
- Twilight #4E518B ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.070
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
- Chrysanthemum #560BAD ΔE 0.078
- Blurple #5539CC ΔE 0.080
Use #5F3B9C 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.