#4C379D
Closest named color: Blueberry (#464196). oklch(42.2% 0.158 287), rgb(76, 55, 157).
Aa
White text reads best on this color (8.97:1).
About this color
#4C379D is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.158 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.97:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.34:1 |
| White text | 8.97:1 |
Values
| HEX | #4C379D |
| RGB | rgb(76, 55, 157) |
| HSL | hsl(252, 48%, 42%) |
| OKLCH | oklch(42.2% 0.158 287) |
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 #4C379D | 8.97:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #4C379D | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #4C379D text on white | 8.97:1 | AAA | Lc 90.1 | Preferred for body text |
| #4C379D text on black | 2.34:1 | Fails | Lc -12.2 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BCB8FA
oklch(80.9% 0.093 286.9)
-
Step 400
400
#9B90F7
oklch(70.6% 0.148 286.9)
-
Step 500
500
#8571F3
oklch(63.1% 0.187 286.8)
-
Step 600
600
#7154E2
oklch(55.5% 0.205 287.1)
-
Step 700
700
#5F43C4
oklch(49% 0.191 287.1)
-
Step 800
800 (this color)
#4C379D
oklch(42.2% 0.158 287)
-
Step 900
900
#40327E
oklch(37.7% 0.123 287.4)
-
Step 950
950
#251E4A
oklch(27% 0.079 287.2)
#4C379D 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) | #004CA0 | 0.081 |
| Deuteranopia (no green cones) | #00469B | 0.079 |
| Tritanopia (no blue cones) | #2E5065 | 0.130 |
| Achromatopsia (no color) | #494949 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C379D
#4C379D
oklch(42.2% 0.158 287)
- #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 #4C379D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.034
- Rebecca Purple #663399 ΔE 0.049
- Chrysanthemum #560BAD ΔE 0.064
- Sapphire #2138AB ΔE 0.065
- Imperial Purple #480CA8 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Indigo Blue #3A18B1 ΔE 0.071
Use #4C379D 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.