#5F306F
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.114 316.9), rgb(95, 48, 111).
Aa
White text reads best on this color (9.81:1).
About this color
#5F306F is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.114 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.066 away. White text reads best on it, at 9.81:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.81:1 |
Values
| HEX | #5F306F |
| RGB | rgb(95, 48, 111) |
| HSL | hsl(285, 40%, 31%) |
| OKLCH | oklch(39.8% 0.114 316.9) |
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 #5F306F | 9.81:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #5F306F | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #5F306F text on white | 9.81:1 | AAA | Lc 92.4 | Preferred for body text |
| #5F306F text on black | 2.13:1 | Fails | Lc -10.0 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E6D0EE
oklch(88.5% 0.047 317.1)
-
Step 300
300
#D7B0E6
oklch(80.9% 0.086 316.5)
-
Step 400
400
#C284D9
oklch(70.6% 0.137 316.5)
-
Step 500
500
#B262CE
oklch(63% 0.174 316.7)
-
Step 600
600
#9E45BB
oklch(55.6% 0.19 316.9)
-
Step 700
700
#8736A1
oklch(49.2% 0.176 316.9)
-
Step 800
800
#6E2E82
oklch(42.8% 0.145 317.3)
-
Step 900
900 (this color)
#5F306F
oklch(39.8% 0.114 316.9)
-
Step 950
950
#34193D
oklch(26.9% 0.072 317.1)
#5F306F 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) | #224171 | 0.103 |
| Deuteranopia (no green cones) | #31456D | 0.092 |
| Tritanopia (no blue cones) | #5E3A4A | 0.075 |
| Achromatopsia (no color) | #434343 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F306F
#5F306F
oklch(39.8% 0.114 316.9)
- #265409
#265409
oklch(39.8% 0.113 136.8)
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 #5F306F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Grape Purple #5D1451 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.070
- Rich Purple #720058 ΔE 0.079
- Velvet #750851 ΔE 0.081
- Blueberry #464196 ΔE 0.083
- Purple #800080 ΔE 0.088
- Twilight #4E518B ΔE 0.092
Use #5F306F 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.