#5D3F78
Closest named color: Dark Slate Blue (#483D8B). oklch(42.7% 0.097 307), rgb(93, 63, 120).
Aa
White text reads best on this color (8.57:1).
About this color
#5D3F78 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.097 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 8.57:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #5D3F78 |
| RGB | rgb(93, 63, 120) |
| HSL | hsl(272, 31%, 36%) |
| OKLCH | oklch(42.7% 0.097 307) |
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 #5D3F78 | 8.57:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #5D3F78 | 2.44:1 | Fails | Lc 14.7 | Not readable |
| #5D3F78 text on white | 8.57:1 | AAA | Lc 89.3 | Fine for body text |
| #5D3F78 text on black | 2.44:1 | Fails | Lc -12.9 | 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
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DED4EA
oklch(88.5% 0.032 306.2)
-
Step 300
300
#CAB8DE
oklch(81% 0.056 306.6)
-
Step 400
400
#AF92CD
oklch(70.7% 0.09 306.7)
-
Step 500
500
#9C76C0
oklch(63.2% 0.115 307)
-
Step 600
600
#875DAC
oklch(55.6% 0.126 307.3)
-
Step 700
700
#724C94
oklch(49% 0.118 306.9)
-
Step 800
800 (this color)
#5D3F78
oklch(42.7% 0.097 307)
-
Step 900
900
#4C3661
oklch(37.7% 0.076 306.7)
-
Step 950
950
#2D2039
oklch(27.1% 0.048 307.3)
#5D3F78 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) | #314B7A | 0.072 |
| Deuteranopia (no green cones) | #384C77 | 0.066 |
| Tritanopia (no blue cones) | #594856 | 0.070 |
| Achromatopsia (no color) | #4C4C4C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3F78
#5D3F78
oklch(42.7% 0.097 307)
- #405814
#405814
oklch(42.6% 0.097 127.2)
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 #5D3F78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Twilight #4E518B ΔE 0.056
- Dusk #4E5481 ΔE 0.060
- Blueberry #464196 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.065
- Dusty Grape #545775 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.085
- Brownish Purple #76424E ΔE 0.088
Use #5D3F78 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.