#4F3C80
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.11 293.9), rgb(79, 60, 128).
Aa
White text reads best on this color (9.16:1).
About this color
#4F3C80 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #4F3C80 |
| RGB | rgb(79, 60, 128) |
| HSL | hsl(257, 36%, 37%) |
| OKLCH | oklch(41.1% 0.11 293.9) |
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 #4F3C80 | 9.16:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #4F3C80 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #4F3C80 text on white | 9.16:1 | AAA | Lc 90.9 | Preferred for body text |
| #4F3C80 text on black | 2.29:1 | Fails | Lc -11.4 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E7
oklch(80.8% 0.065 293.9)
-
Step 400
400
#A494DB
oklch(70.7% 0.103 293.9)
-
Step 500
500
#8E78D1
oklch(63.1% 0.132 293.6)
-
Step 600
600
#795FBE
oklch(55.6% 0.144 293.8)
-
Step 700
700
#664EA4
oklch(49.1% 0.134 293.8)
-
Step 800
800 (this color)
#4F3C80
oklch(41.1% 0.11 293.9)
-
Step 900
900
#44376A
oklch(37.6% 0.086 293.6)
-
Step 950
950
#28213E
oklch(27.1% 0.053 293.6)
#4F3C80 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) | #214982 | 0.067 |
| Deuteranopia (no green cones) | #25477E | 0.064 |
| Tritanopia (no blue cones) | #434A58 | 0.089 |
| Achromatopsia (no color) | #484848 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3C80
#4F3C80
oklch(41.1% 0.11 293.9)
- #4B5000
#4B5000
oklch(41.3% 0.093 113.8)
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 #4F3C80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.039
- Twilight #4E518B ΔE 0.057
- Rebecca Purple #663399 ΔE 0.062
- Dusk #4E5481 ΔE 0.067
- Cobalt #1E488F ΔE 0.070
- Dusk Blue #26538D ΔE 0.077
- Light Navy #155084 ΔE 0.082
Use #4F3C80 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.