#5C3E87
Closest named color: Dark Slate Blue (#483D8B). oklch(43.3% 0.119 300.5), rgb(92, 62, 135).
Aa
White text reads best on this color (8.42:1).
About this color
#5C3E87 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.119 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 8.42:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #5C3E87 |
| RGB | rgb(92, 62, 135) |
| HSL | hsl(265, 37%, 39%) |
| OKLCH | oklch(43.3% 0.119 300.5) |
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 #5C3E87 | 8.42:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #5C3E87 | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #5C3E87 text on white | 8.42:1 | AAA | Lc 88.8 | Fine for body text |
| #5C3E87 text on black | 2.49:1 | Fails | Lc -13.4 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DDD4EF
oklch(88.5% 0.038 300.8)
-
Step 300
300
#C7B7E7
oklch(80.9% 0.069 300.1)
-
Step 400
400
#AC90DB
oklch(70.7% 0.111 300.8)
-
Step 500
500
#9873D1
oklch(63.1% 0.141 300.6)
-
Step 600
600
#8359BE
oklch(55.5% 0.154 300.7)
-
Step 700
700
#6F49A4
oklch(49.2% 0.143 300.5)
-
Step 800
800 (this color)
#5C3E87
oklch(43.3% 0.119 300.5)
-
Step 900
900
#4A346B
oklch(37.7% 0.093 300.5)
-
Step 950
950
#2B1F3E
oklch(27% 0.058 300.4)
#5C3E87 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) | #244D89 | 0.084 |
| Deuteranopia (no green cones) | #2C4D85 | 0.078 |
| Tritanopia (no blue cones) | #534C5C | 0.091 |
| Achromatopsia (no color) | #4D4D4D | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3E87
#5C3E87
oklch(43.3% 0.119 300.5)
- #495800
#495800
oklch(43.2% 0.103 120.4)
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 #5C3E87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Rebecca Purple #663399 ΔE 0.043
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.065
- Dusty Grape #545775 ΔE 0.082
- Denim Blue #3B5B92 ΔE 0.086
- Dusk Blue #26538D ΔE 0.087
Use #5C3E87 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.