#4D389B
Closest named color: Blueberry (#464196). oklch(42.3% 0.154 287.7), rgb(77, 56, 155).
Aa
White text reads best on this color (8.91:1).
About this color
#4D389B is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.154 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 8.91:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #4D389B |
| RGB | rgb(77, 56, 155) |
| HSL | hsl(253, 47%, 41%) |
| OKLCH | oklch(42.3% 0.154 287.7) |
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 #4D389B | 8.91:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #4D389B | 2.35:1 | Fails | Lc 14.0 | Not readable |
| #4D389B text on white | 8.91:1 | AAA | Lc 90.0 | Preferred for body text |
| #4D389B text on black | 2.35:1 | Fails | Lc -12.3 | 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
#D7D5F9
oklch(88.6% 0.049 287.9)
-
Step 300
300
#BDB8F8
oklch(80.9% 0.09 287.8)
-
Step 400
400
#9D90F5
oklch(70.7% 0.145 288)
-
Step 500
500
#8771F0
oklch(63.1% 0.183 287.9)
-
Step 600
600
#7255DF
oklch(55.5% 0.2 287.7)
-
Step 700
700
#6044C1
oklch(49% 0.186 287.8)
-
Step 800
800 (this color)
#4D389B
oklch(42.3% 0.154 287.7)
-
Step 900
900
#40337C
oklch(37.7% 0.119 287.5)
-
Step 950
950
#251E49
oklch(26.9% 0.077 287.5)
#4D389B 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) | #004C9E | 0.082 |
| Deuteranopia (no green cones) | #004799 | 0.080 |
| Tritanopia (no blue cones) | #325064 | 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°).
- #4D389B
#4D389B
oklch(42.3% 0.154 287.7)
- #535100
#535100
oklch(42.3% 0.091 108.1)
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 #4D389B, 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 0.030
- Rebecca Purple #663399 ΔE 0.047
- Chrysanthemum #560BAD ΔE 0.068
- Sapphire #2138AB ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Cobalt #1E488F ΔE 0.072
Use #4D389B 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.