#5F3F71
Closest named color: Dark Slate Blue (#483D8B). oklch(42.5% 0.088 312.5), rgb(95, 63, 113).
Aa
White text reads best on this color (8.62:1).
About this color
#5F3F71 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.088 and its hue 313°. 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 8.62:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #5F3F71 |
| RGB | rgb(95, 63, 113) |
| HSL | hsl(278, 28%, 35%) |
| OKLCH | oklch(42.5% 0.088 312.5) |
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 #5F3F71 | 8.62:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #5F3F71 | 2.43:1 | Fails | Lc 14.5 | Not readable |
| #5F3F71 text on white | 8.62:1 | AAA | Lc 89.5 | Fine for body text |
| #5F3F71 text on black | 2.43:1 | Fails | Lc -12.8 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#E0D4E7
oklch(88.5% 0.029 313.3)
-
Step 300
300
#CCB7D9
oklch(80.8% 0.052 312.6)
-
Step 400
400
#B292C6
oklch(70.7% 0.082 312.1)
-
Step 500
500
#9F76B7
oklch(63.1% 0.105 312.4)
-
Step 600
600
#8A5EA3
oklch(55.6% 0.114 312.5)
-
Step 700
700
#754D8C
oklch(49.1% 0.107 312.2)
-
Step 800
800 (this color)
#5F3F71
oklch(42.5% 0.088 312.5)
-
Step 900
900
#4E365C
oklch(37.7% 0.07 312.3)
-
Step 950
950
#2E2036
oklch(27.1% 0.044 312.7)
#5F3F71 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) | #354A73 | 0.071 |
| Deuteranopia (no green cones) | #3D4D70 | 0.065 |
| Tritanopia (no blue cones) | #5D4652 | 0.062 |
| Achromatopsia (no color) | #4C4C4C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3F71
#5F3F71
oklch(42.5% 0.088 312.5)
- #3B5822
#3B5822
oklch(42.4% 0.088 132.6)
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 #5F3F71, 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
- Twilight #4E518B ΔE 0.062
- Dusk #4E5481 ΔE 0.062
- Dusty Grape #545775 ΔE 0.068
- Blueberry #464196 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.076
- Brownish Purple #76424E ΔE 0.076
- Purple Brown #673A3F ΔE 0.082
Use #5F3F71 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.