#5C3878
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.109 308.3), rgb(92, 56, 120).
Aa
White text reads best on this color (9.16:1).
About this color
#5C3878 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.109 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #5C3878 |
| RGB | rgb(92, 56, 120) |
| HSL | hsl(274, 36%, 35%) |
| OKLCH | oklch(41.3% 0.109 308.3) |
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 #5C3878 | 9.16:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #5C3878 | 2.29:1 | Fails | Lc 13.1 | Not readable |
| #5C3878 text on white | 9.16:1 | AAA | Lc 90.9 | Preferred for body text |
| #5C3878 text on black | 2.29:1 | Fails | Lc -11.5 | 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
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3EC
oklch(88.5% 0.037 308.8)
-
Step 300
300
#CCB6E1
oklch(80.9% 0.064 308.1)
-
Step 400
400
#B38FD2
oklch(70.7% 0.103 308.5)
-
Step 500
500
#A072C5
oklch(63.1% 0.13 308.6)
-
Step 600
600
#8B59B2
oklch(55.7% 0.141 308.4)
-
Step 700
700
#764899
oklch(49.1% 0.132 308.5)
-
Step 800
800 (this color)
#5C3878
oklch(41.3% 0.109 308.3)
-
Step 900
900
#4E3464
oklch(37.7% 0.085 307.8)
-
Step 950
950
#2E1F3A
oklch(27.1% 0.052 308.8)
#5C3878 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) | #26467A | 0.087 |
| Deuteranopia (no green cones) | #314876 | 0.078 |
| Tritanopia (no blue cones) | #584352 | 0.079 |
| Achromatopsia (no color) | #484848 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3878
#5C3878
oklch(41.3% 0.109 308.3)
- #395600
#395600
oklch(41.4% 0.109 128.6)
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 #5C3878, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Rebecca Purple #663399 ΔE 0.059
- Blueberry #464196 ΔE 0.063
- Twilight #4E518B ΔE 0.070
- Dusk #4E5481 ΔE 0.076
- Dusty Grape #545775 ΔE 0.088
- Grape Purple #5D1451 ΔE 0.092
- Light Eggplant #894585 ΔE 0.097
Use #5C3878 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.