#4C3F85
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.113 289.1), rgb(76, 63, 133).
Aa
White text reads best on this color (8.90:1).
About this color
#4C3F85 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.113 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.014 away. White text reads best on it, at 8.90:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #4C3F85 |
| RGB | rgb(76, 63, 133) |
| HSL | hsl(251, 36%, 38%) |
| OKLCH | oklch(41.8% 0.113 289.1) |
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 #4C3F85 | 8.90:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #4C3F85 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #4C3F85 text on white | 8.90:1 | AAA | Lc 90.2 | Preferred for body text |
| #4C3F85 text on black | 2.35:1 | Fails | Lc -12.1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE9
oklch(80.9% 0.066 289.7)
-
Step 400
400
#9E95DE
oklch(70.6% 0.106 289)
-
Step 500
500
#887AD5
oklch(63.2% 0.134 289)
-
Step 600
600
#7361C2
oklch(55.6% 0.146 289.3)
-
Step 700
700
#6050A8
oklch(49.2% 0.136 288.7)
-
Step 800
800 (this color)
#4C3F85
oklch(41.8% 0.113 289.1)
-
Step 900
900
#41386D
oklch(37.7% 0.088 289.2)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#4C3F85 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) | #214B87 | 0.060 |
| Deuteranopia (no green cones) | #224883 | 0.059 |
| Tritanopia (no blue cones) | #3C4E5C | 0.094 |
| Achromatopsia (no color) | #4A4A4A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3F85
#4C3F85
oklch(41.8% 0.113 289.1)
- #515000
#515000
oklch(41.8% 0.091 108.9)
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 #4C3F85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.014
- Blueberry #464196 ΔE 0.029
- Twilight #4E518B ΔE 0.049
- Dusk #4E5481 ΔE 0.061
- Cobalt #1E488F ΔE 0.061
- Rebecca Purple #663399 ΔE 0.062
- Dusk Blue #26538D ΔE 0.068
- Light Navy #155084 ΔE 0.074
Use #4C3F85 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.