#4B428F
Closest named color: Blueberry (#464196). oklch(42.9% 0.123 285.3), rgb(75, 66, 143).
Aa
White text reads best on this color (8.48:1).
About this color
#4B428F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.123 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.015 away. White text reads best on it, at 8.48:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #4B428F |
| RGB | rgb(75, 66, 143) |
| HSL | hsl(247, 37%, 41%) |
| OKLCH | oklch(42.9% 0.123 285.3) |
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 #4B428F | 8.48:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #4B428F | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #4B428F text on white | 8.48:1 | AAA | Lc 89.0 | Fine for body text |
| #4B428F text on black | 2.47:1 | Fails | Lc -13.2 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BBBBEE
oklch(80.9% 0.072 284.7)
-
Step 400
400
#9A96E5
oklch(70.8% 0.114 285.4)
-
Step 500
500
#827ADD
oklch(63.1% 0.146 285.1)
-
Step 600
600
#6D60CB
oklch(55.5% 0.16 285.5)
-
Step 700
700
#5B4FB0
oklch(49.1% 0.149 285.1)
-
Step 800
800 (this color)
#4B428F
oklch(42.9% 0.123 285.3)
-
Step 900
900
#3E3872
oklch(37.8% 0.096 285.5)
-
Step 950
950
#242143
oklch(27% 0.062 285.5)
#4B428F 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) | #1C4F92 | 0.061 |
| Deuteranopia (no green cones) | #1A4A8D | 0.060 |
| Tritanopia (no blue cones) | #355362 | 0.104 |
| Achromatopsia (no color) | #4D4D4D | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B428F
#4B428F
oklch(42.9% 0.123 285.3)
- #575200
#575200
oklch(43% 0.091 105.6)
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 #4B428F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.015
- Dark Slate Blue #483D8B ΔE 0.015
- Twilight #4E518B ΔE 0.043
- Cobalt #1E488F ΔE 0.056
- Rebecca Purple #663399 ΔE 0.059
- Dusk #4E5481 ΔE 0.060
- Dusk Blue #26538D ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.069
Use #4B428F 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.