#5B4B89
Closest named color: Twilight (#4E518B). oklch(45.8% 0.099 294), rgb(91, 75, 137).
Aa
White text reads best on this color (7.46:1).
About this color
#5B4B89 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.099 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.025 away. White text reads best on it, at 7.46:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #5B4B89 |
| RGB | rgb(91, 75, 137) |
| HSL | hsl(255, 29%, 42%) |
| OKLCH | oklch(45.8% 0.099 294) |
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 #5B4B89 | 7.46:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #5B4B89 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #5B4B89 text on white | 7.46:1 | AAA | Lc 85.8 | Fine for body text |
| #5B4B89 text on black | 2.81:1 | Fails | Lc -16.2 | 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
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5ED
oklch(88.4% 0.033 295.3)
-
Step 300
300
#C2BAE3
oklch(80.9% 0.058 294)
-
Step 400
400
#A395D5
oklch(70.6% 0.093 293.9)
-
Step 500
500
#8E7ACA
oklch(63.1% 0.119 294.2)
-
Step 600
600
#7862B7
oklch(55.6% 0.129 293.7)
-
Step 700
700
#65519D
oklch(49.1% 0.119 293.7)
-
Step 800
800 (this color)
#5B4B89
oklch(45.8% 0.099 294)
-
Step 900
900
#443966
oklch(37.8% 0.076 293.7)
-
Step 950
950
#28213C
oklch(26.9% 0.05 294.8)
#5B4B89 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) | #37568B | 0.056 |
| Deuteranopia (no green cones) | #3A5487 | 0.052 |
| Tritanopia (no blue cones) | #505763 | 0.082 |
| Achromatopsia (no color) | #555555 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4B89
#5B4B89
oklch(45.8% 0.099 294)
- #575D08
#575D08
oklch(45.8% 0.099 114.1)
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 #5B4B89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.025
- Dusk #4E5481 ΔE 0.036
- Blueberry #464196 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.053
- Dusty Grape #545775 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.067
Use #5B4B89 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.