#5B4E7C
Closest named color: Dusk (#4E5481). oklch(45.7% 0.075 296.3), rgb(91, 78, 124).
Aa
White text reads best on this color (7.43:1).
About this color
#5B4E7C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.075 and its hue 296°. 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 7.43:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #5B4E7C |
| RGB | rgb(91, 78, 124) |
| HSL | hsl(257, 23%, 40%) |
| OKLCH | oklch(45.7% 0.075 296.3) |
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 #5B4E7C | 7.43:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #5B4E7C | 2.82:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #5B4E7C text on white | 7.43:1 | AAA | Lc 85.8 | Fine for body text |
| #5B4E7C text on black | 2.82:1 | Fails | Lc -16.3 | 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 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
#DAD6E8
oklch(88.5% 0.025 296.1)
-
Step 300
300
#C3BBDA
oklch(80.8% 0.044 297.2)
-
Step 400
400
#A498C8
oklch(70.7% 0.07 296)
-
Step 500
500
#8E7EBA
oklch(63.1% 0.09 296)
-
Step 600
600
#7967A6
oklch(55.7% 0.097 296.2)
-
Step 700
700
#66558E
oklch(49.1% 0.091 296.6)
-
Step 800
800 (this color)
#5B4E7C
oklch(45.7% 0.075 296.3)
-
Step 900
900
#443B5D
oklch(37.7% 0.058 295.7)
-
Step 950
950
#282336
oklch(27.1% 0.035 296)
#5B4E7C 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) | #42557E | 0.040 |
| Deuteranopia (no green cones) | #44557B | 0.039 |
| Tritanopia (no blue cones) | #54565F | 0.061 |
| Achromatopsia (no color) | #555555 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4E7C
#5B4E7C
oklch(45.7% 0.075 296.3)
- #555C28
#555C28
oklch(45.6% 0.075 115.8)
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 #5B4E7C, 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 0.031
- Dusty Grape #545775 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
Use #5B4E7C 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.