#5B3875
Closest named color: Dark Slate Blue (#483D8B). oklch(41% 0.105 309), rgb(91, 56, 117).
Aa
White text reads best on this color (9.26:1).
About this color
#5B3875 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.105 and its hue 309°. 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 9.26:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #5B3875 |
| RGB | rgb(91, 56, 117) |
| HSL | hsl(274, 35%, 34%) |
| OKLCH | oklch(41% 0.105 309) |
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 #5B3875 | 9.26:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #5B3875 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #5B3875 text on white | 9.26:1 | AAA | Lc 91.1 | Preferred for body text |
| #5B3875 text on black | 2.26:1 | Fails | Lc -11.2 | 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
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#E0D3EB
oklch(88.5% 0.035 309.7)
-
Step 300
300
#CCB6DF
oklch(80.8% 0.062 309.2)
-
Step 400
400
#B290CF
oklch(70.7% 0.097 308.7)
-
Step 500
500
#A073C3
oklch(63.2% 0.126 309.1)
-
Step 600
600
#8B5AAF
oklch(55.7% 0.136 309.2)
-
Step 700
700
#764996
oklch(49.1% 0.127 309.5)
-
Step 800
800 (this color)
#5B3875
oklch(41% 0.105 309)
-
Step 900
900
#4E3462
oklch(37.6% 0.082 309)
-
Step 950
950
#2E1F3A
oklch(27.1% 0.052 308.8)
#5B3875 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) | #284677 | 0.084 |
| Deuteranopia (no green cones) | #324873 | 0.076 |
| Tritanopia (no blue cones) | #584251 | 0.074 |
| Achromatopsia (no color) | #474747 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3875
#5B3875
oklch(41% 0.105 309)
- #385506
#385506
oklch(41.1% 0.106 129.2)
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 #5B3875, 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
- Rebecca Purple #663399 ΔE 0.064
- Blueberry #464196 ΔE 0.066
- Twilight #4E518B ΔE 0.071
- Dusk #4E5481 ΔE 0.076
- Dusty Grape #545775 ΔE 0.087
- Grape Purple #5D1451 ΔE 0.090
- Brownish Purple #76424E ΔE 0.096
Use #5B3875 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.