#5F31A5
Closest named color: Rebecca Purple (#663399). oklch(43.9% 0.176 296.6), rgb(95, 49, 165).
Aa
White text reads best on this color (8.50:1).
About this color
#5F31A5 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.176 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 0.025 away. White text reads best on it, at 8.50:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #5F31A5 |
| RGB | rgb(95, 49, 165) |
| HSL | hsl(264, 54%, 42%) |
| OKLCH | oklch(43.9% 0.176 296.6) |
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 #5F31A5 | 8.50:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #5F31A5 | 2.46:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #5F31A5 text on white | 8.50:1 | AAA | Lc 88.6 | Fine for body text |
| #5F31A5 text on black | 2.46:1 | Fails | Lc -13.6 | 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
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DCD2FB
oklch(88.5% 0.057 296.4)
-
Step 300
300
#C7B3FB
oklch(80.9% 0.102 296.8)
-
Step 400
400
#AC88FA
oklch(70.8% 0.164 296.5)
-
Step 500
500
#9964F6
oklch(63.1% 0.209 296.7)
-
Step 600
600
#8544E5
oklch(55.5% 0.228 296.7)
-
Step 700
700
#7134C7
oklch(49.1% 0.212 296.6)
-
Step 800
800 (this color)
#5F31A5
oklch(43.9% 0.176 296.6)
-
Step 900
900
#4B2B80
oklch(37.8% 0.137 296.6)
-
Step 950
950
#2C1A4B
oklch(27% 0.087 297.1)
#5F31A5 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) | #004DA8 | 0.113 |
| Deuteranopia (no green cones) | #004BA3 | 0.113 |
| Tritanopia (no blue cones) | #4D4D67 | 0.134 |
| Achromatopsia (no color) | #4D4D4D | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F31A5
#5F31A5
oklch(43.9% 0.176 296.6)
- #4F5900
#4F5900
oklch(44% 0.101 117)
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 #5F31A5, closest first.
No curated palette has a color within ΔE 0.04 of #5F31A5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Chrysanthemum #560BAD ΔE 0.054
- Blueberry #464196 ΔE 0.058
- Grape #7209B7 ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.063
- Blurple #5539CC ΔE 0.068
Use #5F31A5 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.