#4C3998
Closest named color: Blueberry (#464196). oklch(42.1% 0.148 287.4), rgb(76, 57, 152).
Aa
White text reads best on this color (8.95:1).
About this color
#4C3998 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.148 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.021 away. White text reads best on it, at 8.95:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #4C3998 |
| RGB | rgb(76, 57, 152) |
| HSL | hsl(252, 45%, 41%) |
| OKLCH | oklch(42.1% 0.148 287.4) |
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 #4C3998 | 8.95:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #4C3998 | 2.34:1 | Fails | Lc 13.8 | Not readable |
| #4C3998 text on white | 8.95:1 | AAA | Lc 90.1 | Preferred for body text |
| #4C3998 text on black | 2.34:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BDB8F6
oklch(80.8% 0.087 288)
-
Step 400
400
#9C91F2
oklch(70.6% 0.139 287.5)
-
Step 500
500
#8673ED
oklch(63.2% 0.177 287.4)
-
Step 600
600
#7157DB
oklch(55.5% 0.193 287.4)
-
Step 700
700
#5F46BE
oklch(49% 0.179 287.4)
-
Step 800
800 (this color)
#4C3998
oklch(42.1% 0.148 287.4)
-
Step 900
900
#40347A
oklch(37.7% 0.115 287.5)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#4C3998 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) | #004C9B | 0.080 |
| Deuteranopia (no green cones) | #004796 | 0.078 |
| Tritanopia (no blue cones) | #324F63 | 0.122 |
| Achromatopsia (no color) | #494949 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3998
#4C3998
oklch(42.1% 0.148 287.4)
- #535000
#535000
oklch(42% 0.09 107.2)
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 #4C3998, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.021
- Dark Slate Blue #483D8B ΔE 0.025
- Rebecca Purple #663399 ΔE 0.048
- Cobalt #1E488F ΔE 0.068
- Sapphire #2138AB ΔE 0.068
- Twilight #4E518B ΔE 0.069
- Chrysanthemum #560BAD ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.073
Use #4C3998 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.