#5B5997
Closest named color: Dusky Blue (#475F94). oklch(49.4% 0.098 283.7), rgb(91, 89, 151).
Aa
White text reads best on this color (6.32:1).
About this color
#5B5997 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.098 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.032 away. White text reads best on it, at 6.32:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.32:1 |
| White text | 6.32:1 |
Values
| HEX | #5B5997 |
| RGB | rgb(91, 89, 151) |
| HSL | hsl(242, 26%, 47%) |
| OKLCH | oklch(49.4% 0.098 283.7) |
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 #5B5997 | 6.32:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #5B5997 | 3.32:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #5B5997 text on white | 6.32:1 | AA | Lc 81.4 | Fine for body text |
| #5B5997 text on black | 3.32:1 | AA large text | Lc -20.5 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EA
oklch(88.4% 0.026 283.4)
-
Step 300
300
#BCBDDF
oklch(80.9% 0.048 283.9)
-
Step 400
400
#9A9BCF
oklch(70.8% 0.076 283.4)
-
Step 500
500
#8281C2
oklch(63% 0.097 284)
-
Step 600
600
#6C6AAF
oklch(55.6% 0.106 283.7)
-
Step 700
700 (this color)
#5B5997
oklch(49.4% 0.098 283.7)
-
Step 800
800
#4A487A
oklch(42.7% 0.082 284.2)
-
Step 900
900
#3D3D62
oklch(37.7% 0.063 283)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#5B5997 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) | #446299 | 0.037 |
| Deuteranopia (no green cones) | #425E96 | 0.036 |
| Tritanopia (no blue cones) | #4A6571 | 0.083 |
| Achromatopsia (no color) | #606060 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5997
#5B5997
oklch(49.4% 0.098 283.7)
- #6B6411
#6B6411
oklch(49.5% 0.098 104.3)
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 #5B5997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.032
- Twilight #4E518B ΔE 0.035
- Dusk #4E5481 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.044
- Denim #3B638C ΔE 0.054
- Dusty Grape #545775 ΔE 0.057
- French Blue #436BAD ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.064
Use #5B5997 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.