#5B598B
Closest named color: Dusk (#4E5481). oklch(48.8% 0.079 284.9), rgb(91, 89, 139).
Aa
White text reads best on this color (6.46:1).
About this color
#5B598B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.079 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.029 away. White text reads best on it, at 6.46:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #5B598B |
| RGB | rgb(91, 89, 139) |
| HSL | hsl(242, 22%, 45%) |
| OKLCH | oklch(48.8% 0.079 284.9) |
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 #5B598B | 6.46:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #5B598B | 3.24:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #5B598B text on white | 6.46:1 | AA | Lc 82.1 | Fine for body text |
| #5B598B text on black | 3.24:1 | AA large text | Lc -19.8 | 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
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D7D7E7
oklch(88.4% 0.022 285.9)
-
Step 300
300
#BDBED9
oklch(80.9% 0.038 283.8)
-
Step 400
400
#9C9CC6
oklch(70.8% 0.061 284.7)
-
Step 500
500
#8483B8
oklch(63.1% 0.079 284.8)
-
Step 600
600
#6E6CA3
oklch(55.6% 0.085 285)
-
Step 700
700 (this color)
#5B598B
oklch(48.8% 0.079 284.9)
-
Step 800
800
#4B4A72
oklch(42.8% 0.066 284.4)
-
Step 900
900
#3F3E5C
oklch(37.8% 0.051 285.2)
-
Step 950
950
#252436
oklch(27% 0.033 286.5)
#5B598B 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) | #4A608D | 0.029 |
| Deuteranopia (no green cones) | #485D8A | 0.028 |
| Tritanopia (no blue cones) | #4F626B | 0.068 |
| Achromatopsia (no color) | #5E5E5E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B598B
#5B598B
oklch(48.8% 0.079 284.9)
- #676228
#676228
oklch(48.8% 0.079 104.4)
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 #5B598B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.032
- Twilight #4E518B ΔE 0.032
- Dusty Grape #545775 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.043
- Denim #3B638C ΔE 0.047
- YInMn Blue #415A77 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.058
Use #5B598B 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.