#5B528C
Closest named color: Twilight (#4E518B). oklch(47.4% 0.092 289.5), rgb(91, 82, 140).
Aa
White text reads best on this color (6.92:1).
About this color
#5B528C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.092 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.021 away. White text reads best on it, at 6.92:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #5B528C |
| RGB | rgb(91, 82, 140) |
| HSL | hsl(249, 26%, 44%) |
| OKLCH | oklch(47.4% 0.092 289.5) |
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 #5B528C | 6.92:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #5B528C | 3.03:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #5B528C text on white | 6.92:1 | AA | Lc 83.9 | Fine for body text |
| #5B528C text on black | 3.03:1 | AA large text | Lc -18.1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E9
oklch(88.5% 0.025 288.4)
-
Step 300
300
#BFBCDC
oklch(80.8% 0.045 289.7)
-
Step 400
400
#9F9ACB
oklch(70.8% 0.071 289.1)
-
Step 500
500
#8880BD
oklch(63.1% 0.091 289.5)
-
Step 600
600
#7269A9
oklch(55.6% 0.098 289.3)
-
Step 700
700 (this color)
#5B528C
oklch(47.4% 0.092 289.5)
-
Step 800
800
#4E4776
oklch(42.6% 0.077 289.6)
-
Step 900
900
#413C5F
oklch(37.7% 0.059 289.8)
-
Step 950
950
#262338
oklch(27% 0.039 290.1)
#5B528C 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) | #405B8E | 0.043 |
| Deuteranopia (no green cones) | #40588B | 0.041 |
| Tritanopia (no blue cones) | #4F5D68 | 0.078 |
| Achromatopsia (no color) | #5A5A5A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B528C
#5B528C
oklch(47.4% 0.092 289.5)
- #606017
#606017
oklch(47.5% 0.092 109.5)
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 #5B528C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.021
- Dusk #4E5481 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.043
- Dusty Grape #545775 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.060
- Denim #3B638C ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.062
Use #5B528C 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.