#5B4E80
Closest named color: Dusk (#4E5481). oklch(45.9% 0.081 295), rgb(91, 78, 128).
Aa
White text reads best on this color (7.37:1).
About this color
#5B4E80 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.081 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.025 away. White text reads best on it, at 7.37:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #5B4E80 |
| RGB | rgb(91, 78, 128) |
| HSL | hsl(256, 24%, 40%) |
| OKLCH | oklch(45.9% 0.081 295) |
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 #5B4E80 | 7.37:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #5B4E80 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #5B4E80 text on white | 7.37:1 | AAA | Lc 85.6 | Fine for body text |
| #5B4E80 text on black | 2.84:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E9
oklch(88.5% 0.026 295.5)
-
Step 300
300
#C2BBDD
oklch(80.9% 0.048 294.7)
-
Step 400
400
#A498CB
oklch(70.8% 0.075 295.2)
-
Step 500
500
#8E7DBE
oklch(63.1% 0.097 295.5)
-
Step 600
600
#7866AA
oklch(55.6% 0.105 295)
-
Step 700
700
#655492
oklch(49% 0.098 295.2)
-
Step 800
800 (this color)
#5B4E80
oklch(45.9% 0.081 295)
-
Step 900
900
#443A60
oklch(37.6% 0.065 295.2)
-
Step 950
950
#282238
oklch(26.9% 0.041 296.1)
#5B4E80 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) | #405682 | 0.043 |
| Deuteranopia (no green cones) | #42557F | 0.041 |
| Tritanopia (no blue cones) | #535761 | 0.066 |
| Achromatopsia (no color) | #565656 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4E80
#5B4E80
oklch(45.9% 0.081 295)
- #565D23
#565D23
oklch(45.9% 0.081 115.4)
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 #5B4E80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.025
- Twilight #4E518B ΔE 0.026
- Dusty Grape #545775 ΔE 0.037
- YInMn Blue #415A77 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.064
Use #5B4E80 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.