#5B3E72
Closest named color: Dark Slate Blue (#483D8B). oklch(41.9% 0.09 308.7), rgb(91, 62, 114).
Aa
White text reads best on this color (8.83:1).
About this color
#5B3E72 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.090 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 8.83:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #5B3E72 |
| RGB | rgb(91, 62, 114) |
| HSL | hsl(273, 30%, 35%) |
| OKLCH | oklch(41.9% 0.09 308.7) |
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 #5B3E72 | 8.83:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #5B3E72 | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #5B3E72 text on white | 8.83:1 | AAA | Lc 90.1 | Preferred for body text |
| #5B3E72 text on black | 2.37:1 | Fails | Lc -12.2 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DFD4E8
oklch(88.5% 0.03 310.1)
-
Step 300
300
#CAB8DB
oklch(80.9% 0.052 308.3)
-
Step 400
400
#B092C9
oklch(70.6% 0.085 309.1)
-
Step 500
500
#9C77BB
oklch(63.1% 0.107 308.5)
-
Step 600
600
#875FA7
oklch(55.7% 0.116 308.6)
-
Step 700
700
#724E8F
oklch(49.1% 0.108 308.4)
-
Step 800
800 (this color)
#5B3E72
oklch(41.9% 0.09 308.7)
-
Step 900
900
#4C375E
oklch(37.7% 0.069 308.1)
-
Step 950
950
#2D2037
oklch(27% 0.045 309.5)
#5B3E72 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) | #324974 | 0.068 |
| Deuteranopia (no green cones) | #394B71 | 0.063 |
| Tritanopia (no blue cones) | #584652 | 0.065 |
| Achromatopsia (no color) | #4A4A4A | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3E72
#5B3E72
oklch(41.9% 0.09 308.7)
- #3E561B
#3E561B
oklch(42% 0.09 128.6)
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 #5B3E72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.062
- Blueberry #464196 ΔE 0.069
- Dusty Grape #545775 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.074
- Brownish Purple #76424E ΔE 0.083
- YInMn Blue #415A77 ΔE 0.085
Use #5B3E72 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.