#5B5B92
Closest named color: Dusky Blue (#475F94). oklch(49.6% 0.087 282.8), rgb(91, 91, 146).
Aa
White text reads best on this color (6.25:1).
About this color
#5B5B92 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.087 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.028 away. White text reads best on it, at 6.25:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #5B5B92 |
| RGB | rgb(91, 91, 146) |
| HSL | hsl(240, 23%, 46%) |
| OKLCH | oklch(49.6% 0.087 282.8) |
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 #5B5B92 | 6.25:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #5B5B92 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #5B5B92 text on white | 6.25:1 | AA | Lc 81.1 | Fine for body text |
| #5B5B92 text on black | 3.35:1 | AA large text | Lc -20.8 | 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
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E9
oklch(88.6% 0.023 280.6)
-
Step 300
300
#BCBEDC
oklch(81% 0.042 282.4)
-
Step 400
400
#9A9CCA
oklch(70.8% 0.067 282.6)
-
Step 500
500
#8283BC
oklch(63.2% 0.085 282.9)
-
Step 600
600
#6B6CA9
oklch(55.6% 0.094 282.2)
-
Step 700
700 (this color)
#5B5B92
oklch(49.6% 0.087 282.8)
-
Step 800
800
#494975
oklch(42.6% 0.072 282.9)
-
Step 900
900
#3D3E5F
oklch(37.8% 0.056 282)
-
Step 950
950
#242437
oklch(26.9% 0.035 283.8)
#5B5B92 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) | #496294 | 0.029 |
| Deuteranopia (no green cones) | #475F91 | 0.029 |
| Tritanopia (no blue cones) | #4C666F | 0.077 |
| Achromatopsia (no color) | #606060 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5B92
#5B5B92
oklch(49.6% 0.087 282.8)
- #6B6421
#6B6421
oklch(49.6% 0.087 103.3)
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 #5B5B92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.028
- Twilight #4E518B ΔE 0.037
- Dusk #4E5481 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.043
- Denim #3B638C ΔE 0.048
- Dusty Grape #545775 ΔE 0.048
- French Blue #436BAD ΔE 0.059
- YInMn Blue #415A77 ΔE 0.059
Use #5B5B92 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.