#4C3D99
Closest named color: Blueberry (#464196). oklch(42.9% 0.144 286.1), rgb(76, 61, 153).
Aa
White text reads best on this color (8.62:1).
About this color
#4C3D99 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.144 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.014 away. White text reads best on it, at 8.62:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #4C3D99 |
| RGB | rgb(76, 61, 153) |
| HSL | hsl(250, 43%, 42%) |
| OKLCH | oklch(42.9% 0.144 286.1) |
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 #4C3D99 | 8.62:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #4C3D99 | 2.43:1 | Fails | Lc 14.7 | Not readable |
| #4C3D99 text on white | 8.62:1 | AAA | Lc 89.3 | Fine for body text |
| #4C3D99 text on black | 2.43:1 | Fails | Lc -13.0 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F7
oklch(88.4% 0.047 286.8)
-
Step 300
300
#BBB9F5
oklch(80.8% 0.084 285.9)
-
Step 400
400
#9A93F0
oklch(70.7% 0.134 285.9)
-
Step 500
500
#8375EB
oklch(63.1% 0.172 285.8)
-
Step 600
600
#6F5AD9
oklch(55.6% 0.186 286.2)
-
Step 700
700
#5D49BD
oklch(49.2% 0.174 286)
-
Step 800
800 (this color)
#4C3D99
oklch(42.9% 0.144 286.1)
-
Step 900
900
#3E3579
oklch(37.7% 0.112 285.8)
-
Step 950
950
#242047
oklch(27.1% 0.07 285.3)
#4C3D99 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) | #004E9C | 0.076 |
| Deuteranopia (no green cones) | #004997 | 0.075 |
| Tritanopia (no blue cones) | #315265 | 0.119 |
| Achromatopsia (no color) | #4C4C4C | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3D99
#4C3D99
oklch(42.9% 0.144 286.1)
- #565200
#565200
oklch(42.9% 0.092 106.4)
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 #4C3D99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.014
- Dark Slate Blue #483D8B ΔE 0.024
- Rebecca Purple #663399 ΔE 0.050
- Twilight #4E518B ΔE 0.061
- Cobalt #1E488F ΔE 0.064
- Sapphire #2138AB ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Dusk Blue #26538D ΔE 0.075
Use #4C3D99 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.