#5B5488
Closest named color: Dusk (#4E5481). oklch(47.5% 0.083 289), rgb(91, 84, 136).
Aa
White text reads best on this color (6.84:1).
About this color
#5B5488 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.083 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.024 away. White text reads best on it, at 6.84:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #5B5488 |
| RGB | rgb(91, 84, 136) |
| HSL | hsl(248, 24%, 43%) |
| OKLCH | oklch(47.5% 0.083 289) |
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 #5B5488 | 6.84:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #5B5488 | 3.06:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #5B5488 text on white | 6.84:1 | AA | Lc 83.6 | Fine for body text |
| #5B5488 text on black | 3.06:1 | AA large text | Lc -18.4 | 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
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E7
oklch(88.5% 0.022 288.8)
-
Step 300
300
#BFBDDA
oklch(80.9% 0.041 288.6)
-
Step 400
400
#9F9BC7
oklch(70.8% 0.064 288.8)
-
Step 500
500
#8881B8
oklch(63.1% 0.082 289.7)
-
Step 600
600
#726AA4
oklch(55.6% 0.089 289.5)
-
Step 700
700 (this color)
#5B5488
oklch(47.5% 0.083 289)
-
Step 800
800
#4E4872
oklch(42.6% 0.069 289.7)
-
Step 900
900
#413D5C
oklch(37.8% 0.053 289.5)
-
Step 950
950
#262436
oklch(27.1% 0.033 289.1)
#5B5488 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) | #455C8A | 0.036 |
| Deuteranopia (no green cones) | #445987 | 0.035 |
| Tritanopia (no blue cones) | #505D67 | 0.070 |
| Achromatopsia (no color) | #5A5A5A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5488
#5B5488
oklch(47.5% 0.083 289)
- #606022
#606022
oklch(47.6% 0.083 109.2)
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 #5B5488, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.024
- Twilight #4E518B ΔE 0.024
- Dusty Grape #545775 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.053
- Denim #3B638C ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.059
Use #5B5488 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.