#4B3C79
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.1 292.7), rgb(75, 60, 121).
Aa
White text reads best on this color (9.45:1).
About this color
#4B3C79 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.100 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.45:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #4B3C79 |
| RGB | rgb(75, 60, 121) |
| HSL | hsl(255, 34%, 35%) |
| OKLCH | oklch(40.3% 0.1 292.7) |
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 #4B3C79 | 9.45:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #4B3C79 | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #4B3C79 text on white | 9.45:1 | AAA | Lc 91.7 | Preferred for body text |
| #4B3C79 text on black | 2.22:1 | Fails | Lc -10.7 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#D9D6ED
oklch(88.5% 0.031 291.7)
-
Step 300
300
#C1BAE4
oklch(80.8% 0.059 292.7)
-
Step 400
400
#A296D6
oklch(70.7% 0.093 292.5)
-
Step 500
500
#8C7BCB
oklch(63.2% 0.119 292.4)
-
Step 600
600
#7762B8
oklch(55.6% 0.131 292.9)
-
Step 700
700
#64519E
oklch(49.1% 0.12 292.8)
-
Step 800
800 (this color)
#4B3C79
oklch(40.3% 0.1 292.7)
-
Step 900
900
#433967
oklch(37.7% 0.077 292.3)
-
Step 950
950
#27213C
oklch(26.8% 0.05 293)
#4B3C79 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) | #26477B | 0.057 |
| Deuteranopia (no green cones) | #284578 | 0.054 |
| Tritanopia (no blue cones) | #404854 | 0.082 |
| Achromatopsia (no color) | #464646 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3C79
#4B3C79
oklch(40.3% 0.1 292.7)
- #494D00
#494D00
oklch(40.3% 0.09 113.2)
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 #4B3C79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.049
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.068
- Cobalt #1E488F ΔE 0.069
- Twilight Blue #0A437A ΔE 0.075
- Rebecca Purple #663399 ΔE 0.075
- Dusk Blue #26538D ΔE 0.076
Use #4B3C79 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.