#4B4580
Closest named color: Dark Slate Blue (#483D8B). oklch(42.5% 0.096 286.2), rgb(75, 69, 128).
Aa
White text reads best on this color (8.52:1).
About this color
#4B4580 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.096 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.031 away. White text reads best on it, at 8.52:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #4B4580 |
| RGB | rgb(75, 69, 128) |
| HSL | hsl(246, 30%, 39%) |
| OKLCH | oklch(42.5% 0.096 286.2) |
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 #4B4580 | 8.52:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #4B4580 | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #4B4580 text on white | 8.52:1 | AAA | Lc 89.2 | Fine for body text |
| #4B4580 text on black | 2.46:1 | Fails | Lc -13.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BDBCE4
oklch(80.9% 0.056 286.2)
-
Step 400
400
#9C98D6
oklch(70.6% 0.09 286.8)
-
Step 500
500
#847ECB
oklch(63.1% 0.114 286.2)
-
Step 600
600
#6E66B8
oklch(55.5% 0.125 286)
-
Step 700
700
#5C559F
oklch(49.2% 0.116 285.6)
-
Step 800
800 (this color)
#4B4580
oklch(42.5% 0.096 286.2)
-
Step 900
900
#3F3B67
oklch(37.8% 0.074 286.4)
-
Step 950
950
#25233C
oklch(27.1% 0.046 286.6)
#4B4580 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) | #304E82 | 0.042 |
| Deuteranopia (no green cones) | #2E4B7F | 0.042 |
| Tritanopia (no blue cones) | #3C515C | 0.082 |
| Achromatopsia (no color) | #4C4C4C | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4580
#4B4580
oklch(42.5% 0.096 286.2)
- #555100
#555100
oklch(42.5% 0.091 106.4)
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 #4B4580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.031
- Twilight #4E518B ΔE 0.036
- Blueberry #464196 ΔE 0.040
- Dusk #4E5481 ΔE 0.044
- Dusk Blue #26538D ΔE 0.057
- Cobalt #1E488F ΔE 0.060
- Dusty Grape #545775 ΔE 0.063
- Light Navy #155084 ΔE 0.063
Use #4B4580 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.