#5F336C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.105 318.1), rgb(95, 51, 108).
Aa
White text reads best on this color (9.64:1).
About this color
#5F336C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.068 away. White text reads best on it, at 9.64:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.64:1 |
Values
| HEX | #5F336C |
| RGB | rgb(95, 51, 108) |
| HSL | hsl(286, 36%, 31%) |
| OKLCH | oklch(40.1% 0.105 318.1) |
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 #5F336C | 9.64:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #5F336C | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #5F336C text on white | 9.64:1 | AAA | Lc 92.1 | Preferred for body text |
| #5F336C 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E6D1EC
oklch(88.6% 0.043 318.7)
-
Step 300
300
#D6B1E2
oklch(80.9% 0.079 317.8)
-
Step 400
400
#C186D3
oklch(70.6% 0.126 318.1)
-
Step 500
500
#B166C7
oklch(63.1% 0.16 318.2)
-
Step 600
600
#9C4AB4
oklch(55.6% 0.175 318)
-
Step 700
700
#853A9B
oklch(49% 0.163 317.9)
-
Step 800
800
#6C317D
oklch(42.6% 0.134 318.1)
-
Step 900
900 (this color)
#5F336C
oklch(40.1% 0.105 318.1)
-
Step 950
950
#341B3B
oklch(27.1% 0.066 318.6)
#5F336C 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) | #28426E | 0.095 |
| Deuteranopia (no green cones) | #36466A | 0.084 |
| Tritanopia (no blue cones) | #5F3B4A | 0.068 |
| Achromatopsia (no color) | #454545 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F336C
#5F336C
oklch(40.1% 0.105 318.1)
- #285516
#285516
oklch(40.3% 0.105 138.2)
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 #5F336C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.068
- Grape Purple #5D1451 ΔE 0.073
- Rebecca Purple #663399 ΔE 0.076
- Rich Purple #720058 ΔE 0.082
- Velvet #750851 ΔE 0.083
- Blueberry #464196 ΔE 0.085
- Purple Brown #673A3F ΔE 0.086
- Twilight #4E518B ΔE 0.088
Use #5F336C 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.