#4A4978
Closest named color: Dusk (#4E5481). oklch(42.8% 0.077 283.6), rgb(74, 73, 120).
Aa
White text reads best on this color (8.34:1).
About this color
#4A4978 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.077 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.034 away. White text reads best on it, at 8.34:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #4A4978 |
| RGB | rgb(74, 73, 120) |
| HSL | hsl(241, 24%, 38%) |
| OKLCH | oklch(42.8% 0.077 283.6) |
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 #4A4978 | 8.34:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #4A4978 | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #4A4978 text on white | 8.34:1 | AAA | Lc 88.7 | Fine for body text |
| #4A4978 text on black | 2.51:1 | Fails | Lc -13.5 | 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
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EA
oklch(88.4% 0.026 283.4)
-
Step 300
300
#BCBDDD
oklch(80.8% 0.045 283.9)
-
Step 400
400
#9A9BCD
oklch(70.7% 0.073 283.5)
-
Step 500
500
#8282C0
oklch(63.1% 0.093 283.4)
-
Step 600
600
#6C6BAC
oklch(55.7% 0.1 283.4)
-
Step 700
700
#5A5994
oklch(49.2% 0.093 283.2)
-
Step 800
800 (this color)
#4A4978
oklch(42.8% 0.077 283.6)
-
Step 900
900
#3D3D60
oklch(37.6% 0.059 283.2)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#4A4978 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) | #3A4F7A | 0.027 |
| Deuteranopia (no green cones) | #384C77 | 0.027 |
| Tritanopia (no blue cones) | #3D525B | 0.066 |
| Achromatopsia (no color) | #4E4E4E | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A4978
#4A4978
oklch(42.8% 0.077 283.6)
- #575117
#575117
oklch(42.9% 0.077 103.4)
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 #4A4978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.034
- Twilight #4E518B ΔE 0.036
- Dusty Grape #545775 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.050
- YInMn Blue #415A77 ΔE 0.052
- Dusk Blue #26538D ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.057
- Blueberry #464196 ΔE 0.058
Use #4A4978 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.