#5F31A9
Closest named color: Rebecca Purple (#663399). oklch(44.2% 0.18 295.6), rgb(95, 49, 169).
Aa
White text reads best on this color (8.40:1).
About this color
#5F31A9 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.180 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 8.40:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #5F31A9 |
| RGB | rgb(95, 49, 169) |
| HSL | hsl(263, 55%, 43%) |
| OKLCH | oklch(44.2% 0.18 295.6) |
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 #5F31A9 | 8.40:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #5F31A9 | 2.49:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #5F31A9 text on white | 8.40:1 | AAA | Lc 88.3 | Fine for body text |
| #5F31A9 text on black | 2.49:1 | Fails | Lc -13.9 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FC
oklch(88.5% 0.058 296.1)
-
Step 300
300
#C6B3FE
oklch(80.9% 0.106 295.6)
-
Step 400
400
#AA87FD
oklch(70.6% 0.169 295.4)
-
Step 500
500
#9863FA
oklch(63.1% 0.215 295.8)
-
Step 600
600
#8443E9
oklch(55.6% 0.234 295.7)
-
Step 700
700
#7032CB
oklch(49.1% 0.218 295.6)
-
Step 800
800 (this color)
#5F31A9
oklch(44.2% 0.18 295.6)
-
Step 900
900
#4A2A82
oklch(37.7% 0.14 295.6)
-
Step 950
950
#2B1A4C
oklch(27% 0.089 295.5)
#5F31A9 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) | #004EAD | 0.112 |
| Deuteranopia (no green cones) | #004CA7 | 0.112 |
| Tritanopia (no blue cones) | #4B4F69 | 0.140 |
| Achromatopsia (no color) | #4D4D4D | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F31A9
#5F31A9
oklch(44.2% 0.18 295.6)
- #515900
#515900
oklch(44.2% 0.101 115.6)
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 #5F31A9, closest first.
No curated palette has a color within ΔE 0.04 of #5F31A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Chrysanthemum #560BAD ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Grape #7209B7 ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.058
- Blueberry #464196 ΔE 0.061
- Blurple #5539CC ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.065
Use #5F31A9 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.