#5B356D
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.1 314), rgb(91, 53, 109).
Aa
White text reads best on this color (9.65:1).
About this color
#5B356D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.100 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.061 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #5B356D |
| RGB | rgb(91, 53, 109) |
| HSL | hsl(281, 35%, 32%) |
| OKLCH | oklch(40% 0.1 314) |
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 #5B356D | 9.65:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #5B356D | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #5B356D text on white | 9.65:1 | AAA | Lc 92.1 | Preferred for body text |
| #5B356D text on black | 2.17:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D1ED
oklch(88.4% 0.043 313.7)
-
Step 300
300
#D2B3E3
oklch(80.9% 0.074 313.5)
-
Step 400
400
#BC89D5
oklch(70.7% 0.121 314.1)
-
Step 500
500
#AB6ACA
oklch(63.2% 0.154 314)
-
Step 600
600
#964FB6
oklch(55.6% 0.166 314.1)
-
Step 700
700
#803F9D
oklch(49.2% 0.155 314.1)
-
Step 800
800
#68357F
oklch(42.8% 0.128 314.1)
-
Step 900
900 (this color)
#5B356D
oklch(40% 0.1 314)
-
Step 950
950
#311C3C
oklch(27% 0.063 313.1)
#5B356D 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) | #29426F | 0.085 |
| Deuteranopia (no green cones) | #34466B | 0.077 |
| Tritanopia (no blue cones) | #5A3E4C | 0.068 |
| Achromatopsia (no color) | #454545 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B356D
#5B356D
oklch(40% 0.1 314)
- #305312
#305312
oklch(40.1% 0.101 133.8)
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 #5B356D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.061
- Rebecca Purple #663399 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.077
- Blueberry #464196 ΔE 0.079
- Twilight #4E518B ΔE 0.083
- Dusk #4E5481 ΔE 0.085
- Purple Brown #673A3F ΔE 0.087
- Rich Purple #720058 ΔE 0.090
Use #5B356D 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.