#4F418F
Closest named color: Dark Slate Blue (#483D8B). oklch(43.1% 0.124 288.3), rgb(79, 65, 143).
Aa
White text reads best on this color (8.45:1).
About this color
#4F418F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.124 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.018 away. White text reads best on it, at 8.45:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #4F418F |
| RGB | rgb(79, 65, 143) |
| HSL | hsl(251, 38%, 41%) |
| OKLCH | oklch(43.1% 0.124 288.3) |
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 #4F418F | 8.45:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #4F418F | 2.48:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #4F418F text on white | 8.45:1 | AAA | Lc 88.9 | Fine for body text |
| #4F418F text on black | 2.48:1 | Fails | Lc -13.3 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F3
oklch(88.4% 0.041 288.6)
-
Step 300
300
#BEBAED
oklch(80.9% 0.072 288.3)
-
Step 400
400
#9E94E5
oklch(70.7% 0.117 288.7)
-
Step 500
500
#8778DD
oklch(63.2% 0.148 288.2)
-
Step 600
600
#725ECA
oklch(55.5% 0.161 288.5)
-
Step 700
700
#604DAF
oklch(49.1% 0.15 288.5)
-
Step 800
800 (this color)
#4F418F
oklch(43.1% 0.124 288.3)
-
Step 900
900
#403771
oklch(37.7% 0.096 288)
-
Step 950
950
#262142
oklch(27.1% 0.06 288.7)
#4F418F 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) | #1B4F92 | 0.068 |
| Deuteranopia (no green cones) | #1C4B8D | 0.066 |
| Tritanopia (no blue cones) | #3C5261 | 0.104 |
| Achromatopsia (no color) | #4D4D4D | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F418F
#4F418F
oklch(43.1% 0.124 288.3)
- #555300
#555300
oklch(43% 0.093 108.1)
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 #4F418F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.018
- Blueberry #464196 ΔE 0.019
- Twilight #4E518B ΔE 0.045
- Rebecca Purple #663399 ΔE 0.053
- Dusk #4E5481 ΔE 0.061
- Cobalt #1E488F ΔE 0.063
- Dusk Blue #26538D ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.073
Use #4F418F 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.