#5D37AC
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.176 292.9), rgb(93, 55, 172).
Aa
White text reads best on this color (8.05:1).
About this color
#5D37AC is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.176 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 8.05:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #5D37AC |
| RGB | rgb(93, 55, 172) |
| HSL | hsl(259, 52%, 45%) |
| OKLCH | oklch(45.1% 0.176 292.9) |
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 #5D37AC | 8.05:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #5D37AC | 2.60:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #5D37AC text on white | 8.05:1 | AAA | Lc 87.3 | Fine for body text |
| #5D37AC text on black | 2.60:1 | Fails | Lc -14.8 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FD
oklch(93.7% 0.03 292.1)
-
Step 200
200
#DAD3FC
oklch(88.5% 0.056 293)
-
Step 300
300
#C3B4FE
oklch(80.9% 0.104 293.2)
-
Step 400
400
#A68AFD
oklch(70.8% 0.165 292.9)
-
Step 500
500
#9267FB
oklch(63.2% 0.211 292.7)
-
Step 600
600
#7E47EA
oklch(55.6% 0.23 292.8)
-
Step 700
700
#6B37CB
oklch(49.1% 0.213 292.9)
-
Step 800
800 (this color)
#5D37AC
oklch(45.1% 0.176 292.9)
-
Step 900
900
#472C82
oklch(37.7% 0.137 293.1)
-
Step 950
950
#291B4C
oklch(27% 0.087 292.8)
#5D37AC 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) | #0052B0 | 0.105 |
| Deuteranopia (no green cones) | #004EAA | 0.103 |
| Tritanopia (no blue cones) | #46546D | 0.140 |
| Achromatopsia (no color) | #505050 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D37AC
#5D37AC
oklch(45.1% 0.176 292.9)
- #565B00
#565B00
oklch(45.1% 0.101 113.4)
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 #5D37AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.048
- Blurple #5539CC ΔE 0.054
- Blueberry #464196 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.064
- Grape #7209B7 ΔE 0.065
Use #5D37AC 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.