#5B5378
Closest named color: Dusty Grape (#545775). oklch(46.5% 0.06 293.9), rgb(91, 83, 120).
Aa
White text reads best on this color (7.11:1).
About this color
#5B5378 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.060 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.017 away. White text reads best on it, at 7.11:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #5B5378 |
| RGB | rgb(91, 83, 120) |
| HSL | hsl(253, 18%, 40%) |
| OKLCH | oklch(46.5% 0.06 293.9) |
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 #5B5378 | 7.11:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #5B5378 | 2.95:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #5B5378 text on white | 7.11:1 | AAA | Lc 84.6 | Fine for body text |
| #5B5378 text on black | 2.95:1 | Fails | Lc -17.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#D9D7E3
oklch(88.4% 0.016 293.7)
-
Step 300
300
#C1BDD2
oklch(80.8% 0.03 294.5)
-
Step 400
400
#A29CBB
oklch(70.8% 0.045 294.1)
-
Step 500
500
#8B83AA
oklch(63.1% 0.059 294.1)
-
Step 600
600
#756C96
oklch(55.6% 0.065 294)
-
Step 700
700 (this color)
#5B5378
oklch(46.5% 0.06 293.9)
-
Step 800
800
#504A68
oklch(42.7% 0.05 293.4)
-
Step 900
900
#423E54
oklch(37.7% 0.037 292.8)
-
Step 950
950
#272431
oklch(26.9% 0.024 295.3)
#5B5378 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) | #4A587A | 0.028 |
| Deuteranopia (no green cones) | #4B5777 | 0.026 |
| Tritanopia (no blue cones) | #555960 | 0.050 |
| Achromatopsia (no color) | #585858 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5378
#5B5378
oklch(46.5% 0.06 293.9)
- #595D35
#595D35
oklch(46.4% 0.059 113.4)
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 #5B5378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.017
- Dusk #4E5481 ΔE 0.024
- Twilight #4E518B ΔE 0.039
- YInMn Blue #415A77 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.058
- Slate #516572 ΔE 0.059
- Denim #3B638C ΔE 0.060
Use #5B5378 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.