#4F4D7B
Closest named color: Dusk (#4E5481). oklch(44.3% 0.075 284.9), rgb(79, 77, 123).
Aa
White text reads best on this color (7.83:1).
About this color
#4F4D7B is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.075 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.020 away. White text reads best on it, at 7.83:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #4F4D7B |
| RGB | rgb(79, 77, 123) |
| HSL | hsl(243, 23%, 39%) |
| OKLCH | oklch(44.3% 0.075 284.9) |
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 #4F4D7B | 7.83:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #4F4D7B | 2.68:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #4F4D7B text on white | 7.83:1 | AAA | Lc 87.1 | Fine for body text |
| #4F4D7B text on black | 2.68:1 | Fails | Lc -15.0 | 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
#BDBDDC
oklch(80.8% 0.043 285.4)
-
Step 400
400
#9B9BCB
oklch(70.7% 0.07 284.5)
-
Step 500
500
#8482BE
oklch(63.2% 0.089 285.1)
-
Step 600
600
#6D6BAA
oklch(55.7% 0.097 284.2)
-
Step 700
700
#5C5992
oklch(49.2% 0.09 285)
-
Step 800
800 (this color)
#4F4D7B
oklch(44.3% 0.075 284.9)
-
Step 900
900
#3E3D5F
oklch(37.7% 0.058 284.6)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#4F4D7B 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) | #3F537D | 0.027 |
| Deuteranopia (no green cones) | #3E507A | 0.026 |
| Tritanopia (no blue cones) | #44565E | 0.065 |
| Achromatopsia (no color) | #525252 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4D7B
#4F4D7B
oklch(44.3% 0.075 284.9)
- #5A551F
#5A551F
oklch(44.2% 0.074 104)
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 #4F4D7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.020
- Twilight #4E518B ΔE 0.026
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusk Blue #26538D ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.058
Use #4F4D7B 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.