#4C4071
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.081 293.7), rgb(76, 64, 113).
Aa
White text reads best on this color (9.21:1).
About this color
#4C4071 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.081 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 9.21:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #4C4071 |
| RGB | rgb(76, 64, 113) |
| HSL | hsl(255, 28%, 35%) |
| OKLCH | oklch(40.7% 0.081 293.7) |
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 #4C4071 | 9.21:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #4C4071 | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #4C4071 text on white | 9.21:1 | AAA | Lc 91.2 | Preferred for body text |
| #4C4071 text on black | 2.27:1 | Fails | Lc -11.2 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E9
oklch(88.4% 0.026 293.1)
-
Step 300
300
#C2BBDD
oklch(80.9% 0.048 294.7)
-
Step 400
400
#A398CC
oklch(70.8% 0.076 294.1)
-
Step 500
500
#8C7EBF
oklch(63.1% 0.097 293.3)
-
Step 600
600
#7766AB
oklch(55.6% 0.106 294)
-
Step 700
700
#645593
oklch(49.2% 0.098 293.6)
-
Step 800
800 (this color)
#4C4071
oklch(40.7% 0.081 293.7)
-
Step 900
900
#433B60
oklch(37.7% 0.063 293.1)
-
Step 950
950
#272338
oklch(27.1% 0.039 292.3)
#4C4071 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) | #314873 | 0.044 |
| Deuteranopia (no green cones) | #334770 | 0.041 |
| Tritanopia (no blue cones) | #444953 | 0.066 |
| Achromatopsia (no color) | #484848 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C4071
#4C4071
oklch(40.7% 0.081 293.7)
- #494E11
#494E11
oklch(40.7% 0.081 114.1)
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 #4C4071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.059
- Blueberry #464196 ΔE 0.062
- Dark Grey Blue #29465B ΔE 0.069
- Dusty Grape #545775 ΔE 0.069
- Cobalt #1E488F ΔE 0.075
- Light Navy #155084 ΔE 0.075
Use #4C4071 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.