#4B447D
Closest named color: Dark Slate Blue (#483D8B). oklch(42.1% 0.093 287.3), rgb(75, 68, 125).
Aa
White text reads best on this color (8.66:1).
About this color
#4B447D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.093 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 8.66:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #4B447D |
| RGB | rgb(75, 68, 125) |
| HSL | hsl(247, 30%, 38%) |
| OKLCH | oklch(42.1% 0.093 287.3) |
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 #4B447D | 8.66:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #4B447D | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #4B447D text on white | 8.66:1 | AAA | Lc 89.6 | Fine for body text |
| #4B447D text on black | 2.42:1 | Fails | Lc -12.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BEBCE3
oklch(81% 0.055 287.5)
-
Step 400
400
#9D98D4
oklch(70.6% 0.087 287.8)
-
Step 500
500
#867EC9
oklch(63.1% 0.111 287.7)
-
Step 600
600
#7066B6
oklch(55.6% 0.122 287.5)
-
Step 700
700
#5E559C
oklch(49.2% 0.111 287.4)
-
Step 800
800 (this color)
#4B447D
oklch(42.1% 0.093 287.3)
-
Step 900
900
#3F3B66
oklch(37.7% 0.072 286.6)
-
Step 950
950
#25233C
oklch(27.1% 0.046 286.6)
#4B447D 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) | #304D7F | 0.042 |
| Deuteranopia (no green cones) | #2F4A7C | 0.041 |
| Tritanopia (no blue cones) | #3D4F5A | 0.079 |
| Achromatopsia (no color) | #4B4B4B | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B447D
#4B447D
oklch(42.1% 0.093 287.3)
- #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 #4B447D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Twilight #4E518B ΔE 0.040
- Blueberry #464196 ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- Dusk Blue #26538D ΔE 0.060
- Cobalt #1E488F ΔE 0.062
- Dusty Grape #545775 ΔE 0.064
- Light Navy #155084 ΔE 0.065
Use #4B447D 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.