#4F4C71
Closest named color: Dusk (#4E5481). oklch(43.5% 0.06 287.3), rgb(79, 76, 113).
Aa
White text reads best on this color (8.06:1).
About this color
#4F4C71 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.060 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.031 away. White text reads best on it, at 8.06:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #4F4C71 |
| RGB | rgb(79, 76, 113) |
| HSL | hsl(245, 20%, 37%) |
| OKLCH | oklch(43.5% 0.06 287.3) |
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 #4F4C71 | 8.06:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #4F4C71 | 2.60:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #4F4C71 text on white | 8.06:1 | AAA | Lc 87.9 | Fine for body text |
| #4F4C71 text on black | 2.60:1 | Fails | Lc -14.2 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E6
oklch(88.4% 0.02 289)
-
Step 300
300
#BFBED7
oklch(81% 0.035 287.4)
-
Step 400
400
#9E9CC3
oklch(70.8% 0.057 287.2)
-
Step 500
500
#8683B3
oklch(63.1% 0.072 287)
-
Step 600
600
#706C9F
oklch(55.6% 0.078 287.1)
-
Step 700
700
#5E5A88
oklch(49.1% 0.073 287.4)
-
Step 800
800 (this color)
#4F4C71
oklch(43.5% 0.06 287.3)
-
Step 900
900
#403E5A
oklch(37.8% 0.047 287.2)
-
Step 950
950
#252434
oklch(26.9% 0.03 287.1)
#4F4C71 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) | #425173 | 0.023 |
| Deuteranopia (no green cones) | #414F70 | 0.022 |
| Tritanopia (no blue cones) | #475359 | 0.053 |
| Achromatopsia (no color) | #505050 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4C71
#4F4C71
oklch(43.5% 0.06 287.3)
- #55542A
#55542A
oklch(43.6% 0.061 107.5)
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 #4F4C71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.031
- Dusty Grape #545775 ΔE 0.034
- Twilight #4E518B ΔE 0.042
- YInMn Blue #415A77 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.064
- Dusk Blue #26538D ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
Use #4F4C71 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.