#5B348B
Closest named color: Rebecca Purple (#663399). oklch(41.8% 0.14 301.2), rgb(91, 52, 139).
Aa
White text reads best on this color (9.09:1).
About this color
#5B348B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.140 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 9.09:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #5B348B |
| RGB | rgb(91, 52, 139) |
| HSL | hsl(267, 46%, 37%) |
| OKLCH | oklch(41.8% 0.14 301.2) |
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 #5B348B | 9.09:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #5B348B | 2.30:1 | Fails | Lc 13.5 | Not readable |
| #5B348B text on white | 9.09:1 | AAA | Lc 90.5 | Preferred for body text |
| #5B348B text on black | 2.30:1 | Fails | Lc -11.8 | Not readable |
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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#C9B5EE
oklch(80.9% 0.082 300.6)
-
Step 400
400
#AF8CE5
oklch(70.7% 0.131 301.2)
-
Step 500
500
#9C6DDD
oklch(63.2% 0.167 301.1)
-
Step 600
600
#8751CA
oklch(55.5% 0.182 301.3)
-
Step 700
700
#7341AF
oklch(49.1% 0.169 301.3)
-
Step 800
800 (this color)
#5B348B
oklch(41.8% 0.14 301.2)
-
Step 900
900
#4C3071
oklch(37.6% 0.109 301.2)
-
Step 950
950
#2D1D42
oklch(27.1% 0.068 302)
#5B348B 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) | #00488E | 0.108 |
| Deuteranopia (no green cones) | #184889 | 0.099 |
| Tritanopia (no blue cones) | #51465A | 0.105 |
| Achromatopsia (no color) | #484848 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B348B
#5B348B
oklch(41.8% 0.14 301.2)
- #455400
#455400
oklch(41.8% 0.1 120.8)
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 #5B348B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.048
- Twilight #4E518B ΔE 0.075
- Chrysanthemum #560BAD ΔE 0.080
- Imperial Purple #480CA8 ΔE 0.088
- Indigo #4B0082 ΔE 0.089
- Dusk #4E5481 ΔE 0.089
Use #5B348B 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.