#5B4366
Closest named color: Dusty Grape (#545775). oklch(42.3% 0.064 314.9), rgb(91, 67, 102).
Aa
White text reads best on this color (8.60:1).
About this color
#5B4366 is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.057 away. White text reads best on it, at 8.60:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.43:1 |
| White text | 8.60:1 |
Values
| HEX | #5B4366 |
| RGB | rgb(91, 67, 102) |
| HSL | hsl(281, 21%, 33%) |
| OKLCH | oklch(42.3% 0.064 314.9) |
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 #5B4366 | 8.60:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #5B4366 | 2.43:1 | Fails | Lc 14.5 | Not readable |
| #5B4366 text on white | 8.60:1 | AAA | Lc 89.5 | Fine for body text |
| #5B4366 text on black | 2.43:1 | Fails | Lc -12.7 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE8EF
oklch(93.7% 0.011 316.5)
-
Step 200
200
#DED5E3
oklch(88.4% 0.021 313.8)
-
Step 300
300
#CABAD2
oklch(81% 0.038 314.6)
-
Step 400
400
#AF96BB
oklch(70.8% 0.06 314.8)
-
Step 500
500
#9B7CAA
oklch(63.2% 0.076 314.5)
-
Step 600
600
#866495
oklch(55.6% 0.084 315.2)
-
Step 700
700
#71537F
oklch(49.1% 0.077 314.7)
-
Step 800
800 (this color)
#5B4366
oklch(42.3% 0.064 314.9)
-
Step 900
900
#4C3A54
oklch(37.9% 0.049 315.2)
-
Step 950
950
#2C2231
oklch(27% 0.031 314.3)
#5B4366 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) | #3E4A67 | 0.050 |
| Deuteranopia (no green cones) | #434D65 | 0.047 |
| Tritanopia (no blue cones) | #5A4750 | 0.043 |
| Achromatopsia (no color) | #4C4C4C | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4366
#5B4366
oklch(42.3% 0.064 314.9)
- #3F5631
#3F5631
oklch(42.4% 0.065 134.4)
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 #5B4366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.057
- Dusk #4E5481 ΔE 0.059
- Brownish Purple #76424E ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Twilight #4E518B ΔE 0.066
- YInMn Blue #415A77 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.081
Use #5B4366 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.