#4C3470
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.101 300.1), rgb(76, 52, 112).
Aa
White text reads best on this color (10.33:1).
About this color
#4C3470 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.101 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.33:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #4C3470 |
| RGB | rgb(76, 52, 112) |
| HSL | hsl(264, 37%, 32%) |
| OKLCH | oklch(38.3% 0.101 300.1) |
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 #4C3470 | 10.33:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #4C3470 | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #4C3470 text on white | 10.33:1 | AAA | Lc 93.8 | Preferred for body text |
| #4C3470 text on black | 2.03:1 | Fails | Lc -8.7 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F1
oklch(88.4% 0.042 300.7)
-
Step 300
300
#C8B6EB
oklch(80.9% 0.076 300.3)
-
Step 400
400
#AC8EE1
oklch(70.6% 0.122 299.9)
-
Step 500
500
#9970D8
oklch(63.1% 0.155 300.2)
-
Step 600
600
#8456C5
oklch(55.6% 0.168 300.1)
-
Step 700
700
#7045AA
oklch(49% 0.156 300.3)
-
Step 800
800
#5B3A8A
oklch(42.7% 0.129 300)
-
Step 900
900 (this color)
#4C3470
oklch(38.3% 0.101 300.1)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#4C3470 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) | #1F4072 | 0.070 |
| Deuteranopia (no green cones) | #26406F | 0.064 |
| Tritanopia (no blue cones) | #453F4D | 0.076 |
| Achromatopsia (no color) | #404040 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3470
#4C3470
oklch(38.3% 0.101 300.1)
- #3D4A00
#3D4A00
oklch(38.4% 0.092 120.5)
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 #4C3470, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.084
- Twilight Blue #0A437A ΔE 0.084
- Twilight #4E518B ΔE 0.085
- Dark Grey Blue #29465B ΔE 0.086
- Cobalt #1E488F ΔE 0.087
Use #4C3470 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.