#4E399D
Closest named color: Blueberry (#464196). oklch(42.7% 0.155 287.6), rgb(78, 57, 157).
Aa
White text reads best on this color (8.76:1).
About this color
#4E399D is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.155 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 8.76:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #4E399D |
| RGB | rgb(78, 57, 157) |
| HSL | hsl(253, 47%, 42%) |
| OKLCH | oklch(42.7% 0.155 287.6) |
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 #4E399D | 8.76:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #4E399D | 2.39:1 | Fails | Lc 14.4 | Not readable |
| #4E399D text on white | 8.76:1 | AAA | Lc 89.6 | Fine for body text |
| #4E399D text on black | 2.39:1 | Fails | Lc -12.7 | 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
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5F9
oklch(88.5% 0.049 286.6)
-
Step 300
300
#BDB8F8
oklch(80.9% 0.09 287.8)
-
Step 400
400
#9C90F5
oklch(70.6% 0.145 287.5)
-
Step 500
500
#8671F1
oklch(63.1% 0.185 287.4)
-
Step 600
600
#7255E0
oklch(55.6% 0.202 287.6)
-
Step 700
700
#6044C2
oklch(49.1% 0.187 287.7)
-
Step 800
800 (this color)
#4E399D
oklch(42.7% 0.155 287.6)
-
Step 900
900
#40337D
oklch(37.8% 0.12 287.2)
-
Step 950
950
#251E49
oklch(26.9% 0.077 287.5)
#4E399D 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) | #004DA0 | 0.082 |
| Deuteranopia (no green cones) | #00489B | 0.081 |
| Tritanopia (no blue cones) | #325165 | 0.129 |
| Achromatopsia (no color) | #4B4B4B | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E399D
#4E399D
oklch(42.7% 0.155 287.6)
- #545200
#545200
oklch(42.7% 0.092 108.1)
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 #4E399D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.033
- Rebecca Purple #663399 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Chrysanthemum #560BAD ΔE 0.068
- Sapphire #2138AB ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.071
- Twilight #4E518B ΔE 0.072
Use #4E399D 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.