#4B4366
Closest named color: Dark Grey Blue (#29465B). oklch(40.6% 0.059 294.1), rgb(75, 67, 102).
Aa
White text reads best on this color (9.15:1).
About this color
#4B4366 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.055 away. White text reads best on it, at 9.15:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #4B4366 |
| RGB | rgb(75, 67, 102) |
| HSL | hsl(254, 21%, 33%) |
| OKLCH | oklch(40.6% 0.059 294.1) |
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 #4B4366 | 9.15:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #4B4366 | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #4B4366 text on white | 9.15:1 | AAA | Lc 91.1 | Preferred for body text |
| #4B4366 text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E5
oklch(88.5% 0.019 292.6)
-
Step 300
300
#C1BDD5
oklch(80.9% 0.034 293.3)
-
Step 400
400
#A29AC0
oklch(70.6% 0.055 294.6)
-
Step 500
500
#8B82B0
oklch(63.2% 0.069 293.3)
-
Step 600
600
#766B9C
oklch(55.7% 0.076 294.1)
-
Step 700
700
#635985
oklch(49.2% 0.07 294.1)
-
Step 800
800 (this color)
#4B4366
oklch(40.6% 0.059 294.1)
-
Step 900
900
#433D58
oklch(37.8% 0.046 294.3)
-
Step 950
950
#272433
oklch(27% 0.028 293.6)
#4B4366 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) | #3A4867 | 0.029 |
| Deuteranopia (no green cones) | #3B4765 | 0.027 |
| Tritanopia (no blue cones) | #454950 | 0.048 |
| Achromatopsia (no color) | #484848 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4366
#4B4366
oklch(40.6% 0.059 294.1)
- #494D26
#494D26
oklch(40.7% 0.059 113.8)
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 #4B4366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.055
- Dusk #4E5481 ΔE 0.060
- Dusty Grape #545775 ΔE 0.062
- Charcoal #264653 ΔE 0.066
- Twilight #4E518B ΔE 0.067
- YInMn Blue #415A77 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.068
Use #4B4366 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.