#4F3D78
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.097 295.9), rgb(79, 61, 120).
Aa
White text reads best on this color (9.24:1).
About this color
#4F3D78 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.097 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 9.24:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #4F3D78 |
| RGB | rgb(79, 61, 120) |
| HSL | hsl(258, 33%, 35%) |
| OKLCH | oklch(40.8% 0.097 295.9) |
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 #4F3D78 | 9.24:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #4F3D78 | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #4F3D78 text on white | 9.24:1 | AAA | Lc 91.2 | Preferred for body text |
| #4F3D78 text on black | 2.27:1 | Fails | Lc -11.2 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5EC
oklch(88.4% 0.032 295.7)
-
Step 300
300
#C3BAE2
oklch(80.9% 0.057 295.4)
-
Step 400
400
#A595D3
oklch(70.7% 0.091 295.8)
-
Step 500
500
#907AC8
oklch(63.2% 0.117 295.9)
-
Step 600
600
#7A62B4
oklch(55.6% 0.125 295.5)
-
Step 700
700
#67509B
oklch(49% 0.118 295.9)
-
Step 800
800 (this color)
#4F3D78
oklch(40.8% 0.097 295.9)
-
Step 900
900
#453865
oklch(37.6% 0.076 295.8)
-
Step 950
950
#28213B
oklch(26.9% 0.048 295.4)
#4F3D78 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) | #29487A | 0.059 |
| Deuteranopia (no green cones) | #2D4777 | 0.055 |
| Tritanopia (no blue cones) | #464854 | 0.078 |
| Achromatopsia (no color) | #474747 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3D78
#4F3D78
oklch(40.8% 0.097 295.9)
- #484F00
#484F00
oklch(40.7% 0.093 115.5)
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 #4F3D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.051
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.073
- Cobalt #1E488F ΔE 0.074
- Dusty Grape #545775 ΔE 0.078
- Dusk Blue #26538D ΔE 0.078
Use #4F3D78 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.