#4E4A78
Closest named color: Dusk (#4E5481). oklch(43.4% 0.075 286.8), rgb(78, 74, 120).
Aa
White text reads best on this color (8.15:1).
About this color
#4E4A78 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.075 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.030 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #4E4A78 |
| RGB | rgb(78, 74, 120) |
| HSL | hsl(245, 24%, 38%) |
| OKLCH | oklch(43.4% 0.075 286.8) |
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 #4E4A78 | 8.15:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #4E4A78 | 2.57:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #4E4A78 text on white | 8.15:1 | AAA | Lc 88.2 | Fine for body text |
| #4E4A78 text on black | 2.57:1 | Fails | Lc -14.0 | 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
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BEBDDC
oklch(80.9% 0.043 286.9)
-
Step 400
400
#9D9ACB
oklch(70.6% 0.071 287.2)
-
Step 500
500
#8581BD
oklch(63% 0.089 286.6)
-
Step 600
600
#6F6AA9
oklch(55.6% 0.097 286.4)
-
Step 700
700
#5D5891
oklch(49% 0.09 286.6)
-
Step 800
800 (this color)
#4E4A78
oklch(43.4% 0.075 286.8)
-
Step 900
900
#3F3D5F
oklch(37.7% 0.058 286)
-
Step 950
950
#252438
oklch(27.1% 0.037 286)
#4E4A78 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) | #3C507A | 0.029 |
| Deuteranopia (no green cones) | #3B4E77 | 0.029 |
| Tritanopia (no blue cones) | #43535B | 0.065 |
| Achromatopsia (no color) | #4F4F4F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E4A78
#4E4A78
oklch(43.4% 0.075 286.8)
- #56531D
#56531D
oklch(43.3% 0.074 106.1)
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 #4E4A78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.030
- Twilight #4E518B ΔE 0.034
- Dusty Grape #545775 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.058
- Dusk Blue #26538D ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.060
Use #4E4A78 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.