#5F3F80
Closest named color: Dark Slate Blue (#483D8B). oklch(43.4% 0.108 305.1), rgb(95, 63, 128).
Aa
White text reads best on this color (8.36:1).
About this color
#5F3F80 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.108 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 8.36:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #5F3F80 |
| RGB | rgb(95, 63, 128) |
| HSL | hsl(270, 34%, 37%) |
| OKLCH | oklch(43.4% 0.108 305.1) |
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 #5F3F80 | 8.36:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #5F3F80 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #5F3F80 text on white | 8.36:1 | AAA | Lc 88.7 | Fine for body text |
| #5F3F80 text on black | 2.50:1 | Fails | Lc -13.5 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4EC
oklch(88.5% 0.034 304.5)
-
Step 300
300
#CAB7E2
oklch(80.9% 0.063 305.1)
-
Step 400
400
#AF90D3
oklch(70.6% 0.101 305.1)
-
Step 500
500
#9C73C8
oklch(63% 0.131 305.2)
-
Step 600
600
#875AB4
oklch(55.5% 0.141 305.4)
-
Step 700
700
#724A9B
oklch(49.1% 0.13 304.9)
-
Step 800
800 (this color)
#5F3F80
oklch(43.4% 0.108 305.1)
-
Step 900
900
#4C3565
oklch(37.8% 0.083 304.8)
-
Step 950
950
#2D1F3B
oklch(27% 0.054 306.2)
#5F3F80 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) | #2C4D82 | 0.081 |
| Deuteranopia (no green cones) | #354E7E | 0.074 |
| Tritanopia (no blue cones) | #5A4A59 | 0.080 |
| Achromatopsia (no color) | #4E4E4E | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3F80
#5F3F80
oklch(43.4% 0.108 305.1)
- #435A02
#435A02
oklch(43.3% 0.108 125.1)
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 #5F3F80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.053
- Twilight #4E518B ΔE 0.053
- Blueberry #464196 ΔE 0.056
- Dusk #4E5481 ΔE 0.061
- Dusty Grape #545775 ΔE 0.075
- Light Eggplant #894585 ΔE 0.083
- Denim Blue #3B5B92 ΔE 0.088
Use #5F3F80 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.