#4B3168
Closest named color: Dark Slate Blue (#483D8B). oklch(37.1% 0.095 304), rgb(75, 49, 104).
Aa
White text reads best on this color (10.83:1).
About this color
#4B3168 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.095 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.063 away. White text reads best on it, at 10.83:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #4B3168 |
| RGB | rgb(75, 49, 104) |
| HSL | hsl(268, 36%, 30%) |
| OKLCH | oklch(37.1% 0.095 304) |
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 #4B3168 | 10.83:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #4B3168 | 1.93:1 | Fails | Lc 9.0 | Not readable |
| #4B3168 text on white | 10.83:1 | AAA | Lc 94.9 | Preferred for body text |
| #4B3168 text on black | 1.93:1 | Fails | Lc -7.7 | 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 900.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DED3EF
oklch(88.4% 0.04 303.4)
-
Step 300
300
#CAB6E7
oklch(80.9% 0.071 303.4)
-
Step 400
400
#B08EDA
oklch(70.6% 0.114 304.2)
-
Step 500
500
#9D70D0
oklch(63% 0.146 304.2)
-
Step 600
600
#8857BD
oklch(55.7% 0.157 303.9)
-
Step 700
700
#7346A3
oklch(49% 0.147 303.8)
-
Step 800
800
#5E3A84
oklch(42.7% 0.122 304.2)
-
Step 900
900 (this color)
#4B3168
oklch(37.1% 0.095 304)
-
Step 950
950
#2D1E3E
oklch(27% 0.06 304.3)
#4B3168 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) | #203D6A | 0.070 |
| Deuteranopia (no green cones) | #273D67 | 0.064 |
| Tritanopia (no blue cones) | #463B47 | 0.072 |
| Achromatopsia (no color) | #3D3D3D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3168
#4B3168
oklch(37.1% 0.095 304)
- #364700
#364700
oklch(37% 0.091 123.7)
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 #4B3168, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.063
- Grape Purple #5D1451 ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.081
- Blueberry #464196 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.085
- Royal Purple #4B006E ΔE 0.085
- Twilight Blue #0A437A ΔE 0.089
- Plum Purple #4E0550 ΔE 0.090
Use #4B3168 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.