#4B306C
Closest named color: Dark Slate Blue (#483D8B). oklch(37.1% 0.102 302.5), rgb(75, 48, 108).
Aa
White text reads best on this color (10.83:1).
About this color
#4B306C is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.102 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 10.83:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #4B306C |
| RGB | rgb(75, 48, 108) |
| HSL | hsl(267, 38%, 31%) |
| OKLCH | oklch(37.1% 0.102 302.5) |
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 #4B306C | 10.83:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #4B306C | 1.93:1 | Fails | Lc 9.0 | Not readable |
| #4B306C text on white | 10.83:1 | AAA | Lc 94.9 | Preferred for body text |
| #4B306C text on black | 1.93:1 | Fails | Lc -7.8 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#CAB5EA
oklch(80.9% 0.077 302.8)
-
Step 400
400
#AF8DE0
oklch(70.6% 0.123 302.2)
-
Step 500
500
#9C6ED7
oklch(63% 0.158 302.3)
-
Step 600
600
#8854C4
oklch(55.6% 0.17 302.6)
-
Step 700
700
#7344A9
oklch(49.1% 0.157 302.4)
-
Step 800
800
#5E3889
oklch(42.7% 0.132 302.9)
-
Step 900
900 (this color)
#4B306C
oklch(37.1% 0.102 302.5)
-
Step 950
950
#2D1E40
oklch(27.1% 0.063 302.8)
#4B306C 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) | #1B3D6E | 0.075 |
| Deuteranopia (no green cones) | #233D6B | 0.069 |
| Tritanopia (no blue cones) | #453B49 | 0.076 |
| Achromatopsia (no color) | #3D3D3D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B306C
#4B306C
oklch(37.1% 0.102 302.5)
- #384700
#384700
oklch(37.1% 0.09 122.3)
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 #4B306C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Grape Purple #5D1451 ΔE 0.076
- Blueberry #464196 ΔE 0.078
- Royal Purple #4B006E ΔE 0.081
- Indigo #4B0082 ΔE 0.084
- Prussian Blue #1D3557 ΔE 0.085
- Twilight Blue #0A437A ΔE 0.089
- Dark Grey Blue #29465B ΔE 0.090
Use #4B306C 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.