#5B528F
Closest named color: Twilight (#4E518B). oklch(47.5% 0.097 288.9), rgb(91, 82, 143).
Aa
White text reads best on this color (6.88:1).
About this color
#5B528F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.097 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.022 away. White text reads best on it, at 6.88:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #5B528F |
| RGB | rgb(91, 82, 143) |
| HSL | hsl(249, 27%, 44%) |
| OKLCH | oklch(47.5% 0.097 288.9) |
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 #5B528F | 6.88:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #5B528F | 3.04:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #5B528F text on white | 6.88:1 | AA | Lc 83.7 | Fine for body text |
| #5B528F text on black | 3.04:1 | AA large text | Lc -18.2 | 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
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#BFBCDE
oklch(80.9% 0.048 289.3)
-
Step 400
400
#9F99CD
oklch(70.7% 0.075 289.6)
-
Step 500
500
#8780C0
oklch(63.1% 0.095 288.4)
-
Step 600
600
#7268AC
oklch(55.6% 0.104 289.3)
-
Step 700
700 (this color)
#5B528F
oklch(47.5% 0.097 288.9)
-
Step 800
800
#4E4778
oklch(42.7% 0.08 289.1)
-
Step 900
900
#403C61
oklch(37.7% 0.063 288)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#5B528F 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) | #3E5B91 | 0.045 |
| Deuteranopia (no green cones) | #3E598E | 0.044 |
| Tritanopia (no blue cones) | #4E5E69 | 0.083 |
| Achromatopsia (no color) | #5A5A5A | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B528F
#5B528F
oklch(47.5% 0.097 288.9)
- #61600F
#61600F
oklch(47.5% 0.097 108.8)
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 #5B528F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.022
- Dusk #4E5481 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.047
- Dusty Grape #545775 ΔE 0.050
- Denim #3B638C ΔE 0.062
- Blueberry #464196 ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.063
Use #5B528F 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.