#5B4590
Closest named color: Twilight (#4E518B). oklch(45.1% 0.119 294.7), rgb(91, 69, 144).
Aa
White text reads best on this color (7.78:1).
About this color
#5B4590 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.119 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.039 away. White text reads best on it, at 7.78:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #5B4590 |
| RGB | rgb(91, 69, 144) |
| HSL | hsl(258, 35%, 42%) |
| OKLCH | oklch(45.1% 0.119 294.7) |
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 #5B4590 | 7.78:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #5B4590 | 2.69:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #5B4590 text on white | 7.78:1 | AAA | Lc 86.8 | Fine for body text |
| #5B4590 text on black | 2.69:1 | Fails | Lc -15.3 | 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 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EA
oklch(80.8% 0.071 294.9)
-
Step 400
400
#A592DF
oklch(70.6% 0.112 294.7)
-
Step 500
500
#9076D6
oklch(63.2% 0.142 294.5)
-
Step 600
600
#7B5CC3
oklch(55.6% 0.155 294.7)
-
Step 700
700
#684BA9
oklch(49.1% 0.145 294.7)
-
Step 800
800 (this color)
#5B4590
oklch(45.1% 0.119 294.7)
-
Step 900
900
#46366D
oklch(37.8% 0.092 295)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#5B4590 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) | #285393 | 0.074 |
| Deuteranopia (no green cones) | #2D518E | 0.069 |
| Tritanopia (no blue cones) | #4E5464 | 0.096 |
| Achromatopsia (no color) | #525252 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4590
#5B4590
oklch(45.1% 0.119 294.7)
- #555B00
#555B00
oklch(45% 0.101 114.1)
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 #5B4590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.039
- Blueberry #464196 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.047
- Dusk #4E5481 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.071
- Dusky Blue #475F94 ΔE 0.073
- Dusty Grape #545775 ΔE 0.075
Use #5B4590 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.