#4B3B8A
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.126 289), rgb(75, 59, 138).
Aa
White text reads best on this color (9.16:1).
About this color
#4B3B8A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.126 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.007 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #4B3B8A |
| RGB | rgb(75, 59, 138) |
| HSL | hsl(252, 40%, 39%) |
| OKLCH | oklch(41.3% 0.126 289) |
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 #4B3B8A | 9.16:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #4B3B8A | 2.29:1 | Fails | Lc 13.1 | Not readable |
| #4B3B8A text on white | 9.16:1 | AAA | Lc 90.8 | Preferred for body text |
| #4B3B8A text on black | 2.29:1 | Fails | Lc -11.5 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F3
oklch(88.5% 0.041 290.1)
-
Step 300
300
#BEB9EE
oklch(80.8% 0.074 288.9)
-
Step 400
400
#9E94E5
oklch(70.7% 0.117 288.7)
-
Step 500
500
#8877DE
oklch(63.1% 0.151 288.9)
-
Step 600
600
#735DCB
oklch(55.5% 0.164 289.1)
-
Step 700
700
#614CB0
oklch(49.1% 0.153 289.2)
-
Step 800
800 (this color)
#4B3B8A
oklch(41.3% 0.126 289)
-
Step 900
900
#413672
oklch(37.6% 0.099 289.1)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#4B3B8A 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) | #0F4A8D | 0.073 |
| Deuteranopia (no green cones) | #114688 | 0.071 |
| Tritanopia (no blue cones) | #384C5C | 0.104 |
| Achromatopsia (no color) | #484848 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3B8A
#4B3B8A
oklch(41.3% 0.126 289)
- #4F4E00
#4F4E00
oklch(41.1% 0.089 108.9)
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 #4B3B8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.007
- Blueberry #464196 ΔE 0.024
- Rebecca Purple #663399 ΔE 0.057
- Twilight #4E518B ΔE 0.060
- Cobalt #1E488F ΔE 0.063
- Dusk #4E5481 ΔE 0.074
- Dusk Blue #26538D ΔE 0.075
- Light Navy #155084 ΔE 0.081
Use #4B3B8A 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.