#4B316C
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.1 302.1), rgb(75, 49, 108).
Aa
White text reads best on this color (10.74:1).
About this color
#4B316C is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.100 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 0.057 away. White text reads best on it, at 10.74:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #4B316C |
| RGB | rgb(75, 49, 108) |
| HSL | hsl(266, 38%, 31%) |
| OKLCH | oklch(37.3% 0.1 302.1) |
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 #4B316C | 10.74:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4B316C | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #4B316C text on white | 10.74:1 | AAA | Lc 94.7 | Preferred for body text |
| #4B316C text on black | 1.95:1 | Fails | Lc -7.9 | 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
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#C9B6EA
oklch(81% 0.075 301.4)
-
Step 400
400
#AF8EDF
oklch(70.8% 0.12 302.2)
-
Step 500
500
#9C6FD6
oklch(63.1% 0.155 302.4)
-
Step 600
600
#8755C3
oklch(55.6% 0.167 302.2)
-
Step 700
700
#7245A8
oklch(49.1% 0.154 302)
-
Step 800
800
#5D3988
oklch(42.7% 0.128 302.3)
-
Step 900
900 (this color)
#4B316C
oklch(37.3% 0.1 302.1)
-
Step 950
950
#2C1E40
oklch(27% 0.063 301.3)
#4B316C 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) | #1D3D6E | 0.072 |
| Deuteranopia (no green cones) | #253E6B | 0.066 |
| Tritanopia (no blue cones) | #453C49 | 0.076 |
| Achromatopsia (no color) | #3E3E3E | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B316C
#4B316C
oklch(37.3% 0.1 302.1)
- #394800
#394800
oklch(37.5% 0.091 122.2)
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 #4B316C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Grape Purple #5D1451 ΔE 0.077
- Blueberry #464196 ΔE 0.077
- Royal Purple #4B006E ΔE 0.084
- Prussian Blue #1D3557 ΔE 0.084
- Indigo #4B0082 ΔE 0.086
- Twilight Blue #0A437A ΔE 0.088
- Dark Grey Blue #29465B ΔE 0.088
Use #4B316C 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.