#4D399C
Closest named color: Blueberry (#464196). oklch(42.5% 0.154 287.2), rgb(77, 57, 156).
Aa
White text reads best on this color (8.82:1).
About this color
#4D399C is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.154 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.024 away. White text reads best on it, at 8.82:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.38:1 |
| White text | 8.82:1 |
Values
| HEX | #4D399C |
| RGB | rgb(77, 57, 156) |
| HSL | hsl(252, 46%, 42%) |
| OKLCH | oklch(42.5% 0.154 287.2) |
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 #4D399C | 8.82:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #4D399C | 2.38:1 | Fails | Lc 14.2 | Not readable |
| #4D399C text on white | 8.82:1 | AAA | Lc 89.7 | Fine for body text |
| #4D399C text on black | 2.38:1 | Fails | Lc -12.5 | 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
#BCB8F8
oklch(80.8% 0.09 287.1)
-
Step 400
400
#9C91F5
oklch(70.8% 0.144 287.2)
-
Step 500
500
#8671F1
oklch(63.1% 0.185 287.4)
-
Step 600
600
#7156DF
oklch(55.6% 0.199 287.1)
-
Step 700
700
#5F45C2
oklch(49.1% 0.186 287)
-
Step 800
800 (this color)
#4D399C
oklch(42.5% 0.154 287.2)
-
Step 900
900
#40337C
oklch(37.7% 0.119 287.5)
-
Step 950
950
#251F49
oklch(27.1% 0.075 286.8)
#4D399C 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) | #004D9F | 0.081 |
| Deuteranopia (no green cones) | #00489A | 0.079 |
| Tritanopia (no blue cones) | #315165 | 0.127 |
| Achromatopsia (no color) | #4A4A4A | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D399C
#4D399C
oklch(42.5% 0.154 287.2)
- #545100
#545100
oklch(42.4% 0.091 107.3)
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 #4D399C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.024
- Dark Slate Blue #483D8B ΔE 0.031
- Rebecca Purple #663399 ΔE 0.047
- Sapphire #2138AB ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.071
- Twilight #4E518B ΔE 0.071
Use #4D399C 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.