#4F4879
Closest named color: Dusk (#4E5481). oklch(43.1% 0.08 289.2), rgb(79, 72, 121).
Aa
White text reads best on this color (8.28:1).
About this color
#4F4879 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.080 and its hue 289°. 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 8.28:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #4F4879 |
| RGB | rgb(79, 72, 121) |
| HSL | hsl(249, 25%, 38%) |
| OKLCH | oklch(43.1% 0.08 289.2) |
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 #4F4879 | 8.28:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #4F4879 | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #4F4879 text on white | 8.28:1 | AAA | Lc 88.5 | Fine for body text |
| #4F4879 text on black | 2.53:1 | Fails | Lc -13.6 | 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
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#BFBCDE
oklch(80.9% 0.048 289.3)
-
Step 400
400
#9F99CD
oklch(70.7% 0.075 289.6)
-
Step 500
500
#8880C0
oklch(63.2% 0.095 289.1)
-
Step 600
600
#7268AC
oklch(55.6% 0.104 289.3)
-
Step 700
700
#605694
oklch(49.1% 0.098 289.7)
-
Step 800
800 (this color)
#4F4879
oklch(43.1% 0.08 289.2)
-
Step 900
900
#413C61
oklch(37.8% 0.062 289.2)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#4F4879 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) | #394F7B | 0.035 |
| Deuteranopia (no green cones) | #394D78 | 0.034 |
| Tritanopia (no blue cones) | #45515A | 0.068 |
| Achromatopsia (no color) | #4E4E4E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4879
#4F4879
oklch(43.1% 0.08 289.2)
- #545318
#545318
oklch(43.1% 0.079 108.4)
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 #4F4879, 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 0.035
- Dusty Grape #545775 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.048
- YInMn Blue #415A77 ΔE 0.056
- Blueberry #464196 ΔE 0.057
- Dusk Blue #26538D ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.062
Use #4F4879 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.