#5B356C
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.099 314.6), rgb(91, 53, 108).
Aa
White text reads best on this color (9.67:1).
About this color
#5B356C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.099 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #5B356C |
| RGB | rgb(91, 53, 108) |
| HSL | hsl(281, 34%, 32%) |
| OKLCH | oklch(40% 0.099 314.6) |
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 #5B356C | 9.67:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #5B356C | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #5B356C text on white | 9.67:1 | AAA | Lc 92.2 | Preferred for body text |
| #5B356C text on black | 2.17:1 | Fails | Lc -10.2 | 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
#E3D2EC
oklch(88.5% 0.04 314.1)
-
Step 300
300
#D3B3E2
oklch(81% 0.074 314.9)
-
Step 400
400
#BC89D4
oklch(70.6% 0.12 314.5)
-
Step 500
500
#AB6AC8
oklch(63.1% 0.151 314.6)
-
Step 600
600
#964FB5
oklch(55.6% 0.165 314.5)
-
Step 700
700
#803F9C
oklch(49.1% 0.154 314.5)
-
Step 800
800
#68357E
oklch(42.7% 0.127 314.6)
-
Step 900
900 (this color)
#5B356C
oklch(40% 0.099 314.6)
-
Step 950
950
#321C3B
oklch(27% 0.062 315.5)
#5B356C 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) | #2A426E | 0.084 |
| Deuteranopia (no green cones) | #34456B | 0.076 |
| Tritanopia (no blue cones) | #5A3D4B | 0.066 |
| Achromatopsia (no color) | #444444 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B356C
#5B356C
oklch(40% 0.099 314.6)
- #2F5314
#2F5314
oklch(40.1% 0.1 134.6)
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 #5B356C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Grape Purple #5D1451 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.078
- Blueberry #464196 ΔE 0.080
- Twilight #4E518B ΔE 0.083
- Purple Brown #673A3F ΔE 0.086
- Dusk #4E5481 ΔE 0.086
- Rich Purple #720058 ΔE 0.089
Use #5B356C 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.