#4C406E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.5% 0.077 294.7), rgb(76, 64, 110).
Aa
White text reads best on this color (9.26:1).
About this color
#4C406E is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.077 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 9.26:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #4C406E |
| RGB | rgb(76, 64, 110) |
| HSL | hsl(256, 26%, 34%) |
| OKLCH | oklch(40.5% 0.077 294.7) |
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 #4C406E | 9.26:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #4C406E | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #4C406E text on white | 9.26:1 | AAA | Lc 91.3 | Preferred for body text |
| #4C406E text on black | 2.26:1 | Fails | Lc -11.0 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E8
oklch(88.5% 0.025 296.1)
-
Step 300
300
#C2BBDB
oklch(80.8% 0.045 295.4)
-
Step 400
400
#A398C9
oklch(70.6% 0.072 294.8)
-
Step 500
500
#8D7EBB
oklch(63% 0.091 294.9)
-
Step 600
600
#7767A7
oklch(55.6% 0.099 294.5)
-
Step 700
700
#645590
oklch(49% 0.094 294.4)
-
Step 800
800 (this color)
#4C406E
oklch(40.5% 0.077 294.7)
-
Step 900
900
#443B5E
oklch(37.7% 0.06 295.2)
-
Step 950
950
#282337
oklch(27.1% 0.037 295.3)
#4C406E 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) | #334870 | 0.042 |
| Deuteranopia (no green cones) | #35466D | 0.038 |
| Tritanopia (no blue cones) | #454851 | 0.063 |
| Achromatopsia (no color) | #474747 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C406E
#4C406E
oklch(40.5% 0.077 294.7)
- #484E17
#484E17
oklch(40.6% 0.077 115.2)
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 #4C406E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Dusk #4E5481 ΔE 0.060
- Twilight #4E518B ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.066
- Blueberry #464196 ΔE 0.067
- Dusty Grape #545775 ΔE 0.069
- YInMn Blue #415A77 ΔE 0.075
- Light Navy #155084 ΔE 0.076
Use #4C406E 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.