#4B3596
Closest named color: Dark Slate Blue (#483D8B). oklch(41.2% 0.151 288.3), rgb(75, 53, 150).
Aa
White text reads best on this color (9.33:1).
About this color
#4B3596 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.151 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #4B3596 |
| RGB | rgb(75, 53, 150) |
| HSL | hsl(254, 48%, 40%) |
| OKLCH | oklch(41.2% 0.151 288.3) |
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 #4B3596 | 9.33:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #4B3596 | 2.24:1 | Fails | Lc 12.8 | Not readable |
| #4B3596 text on white | 9.33:1 | AAA | Lc 91.1 | Preferred for body text |
| #4B3596 text on black | 2.24:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8FB
oklch(93.7% 0.026 288.3)
-
Step 200
200
#D7D5F9
oklch(88.6% 0.049 287.9)
-
Step 300
300
#BEB8F7
oklch(81% 0.088 288.6)
-
Step 400
400
#9E90F3
oklch(70.7% 0.142 288.7)
-
Step 500
500
#8871EE
oklch(63% 0.181 288.6)
-
Step 600
600
#7356DD
oklch(55.6% 0.197 288.2)
-
Step 700
700
#6145C0
oklch(49.2% 0.183 288.2)
-
Step 800
800 (this color)
#4B3596
oklch(41.2% 0.151 288.3)
-
Step 900
900
#41337B
oklch(37.7% 0.117 288.4)
-
Step 950
950
#261F48
oklch(27.1% 0.074 288.3)
#4B3596 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) | #004999 | 0.082 |
| Deuteranopia (no green cones) | #004494 | 0.080 |
| Tritanopia (no blue cones) | #314C60 | 0.124 |
| Achromatopsia (no color) | #474747 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3596
#4B3596
oklch(41.2% 0.151 288.3)
- #504E00
#504E00
oklch(41.2% 0.089 108)
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 #4B3596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.029
- Rebecca Purple #663399 ΔE 0.051
- Imperial Purple #480CA8 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.067
- Sapphire #2138AB ΔE 0.068
- Cobalt #1E488F ΔE 0.072
- Indigo Blue #3A18B1 ΔE 0.073
Use #4B3596 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.