#4C4366
Closest named color: Dark Grey Blue (#29465B). oklch(40.7% 0.059 295.5), rgb(76, 67, 102).
Aa
White text reads best on this color (9.12:1).
About this color
#4C4366 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.057 away. White text reads best on it, at 9.12:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #4C4366 |
| RGB | rgb(76, 67, 102) |
| HSL | hsl(255, 21%, 33%) |
| OKLCH | oklch(40.7% 0.059 295.5) |
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 #4C4366 | 9.12:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #4C4366 | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #4C4366 text on white | 9.12:1 | AAA | Lc 91.0 | Preferred for body text |
| #4C4366 text on black | 2.30:1 | Fails | Lc -11.4 | 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
#DAD7E5
oklch(88.6% 0.019 295.8)
-
Step 300
300
#C2BDD5
oklch(81% 0.034 295.2)
-
Step 400
400
#A39AC0
oklch(70.7% 0.056 295.8)
-
Step 500
500
#8C81B0
oklch(63% 0.071 295)
-
Step 600
600
#776A9B
oklch(55.6% 0.076 296)
-
Step 700
700
#645885
oklch(49.1% 0.072 295.9)
-
Step 800
800 (this color)
#4C4366
oklch(40.7% 0.059 295.5)
-
Step 900
900
#433D57
oklch(37.7% 0.044 294.8)
-
Step 950
950
#272433
oklch(27% 0.028 293.6)
#4C4366 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 | 0.030 |
| Deuteranopia (no green cones) | #3C4865 | 0.028 |
| Tritanopia (no blue cones) | #474950 | 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°).
- #4C4366
#4C4366
oklch(40.7% 0.059 295.5)
- #484D27
#484D27
oklch(40.6% 0.058 115.2)
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 #4C4366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.057
- Dusk #4E5481 ΔE 0.059
- Dusty Grape #545775 ΔE 0.062
- Twilight #4E518B ΔE 0.066
- Charcoal #264653 ΔE 0.067
- YInMn Blue #415A77 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.069
Use #4C4366 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.