#4C3376
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.111 298.2), rgb(76, 51, 118).
Aa
White text reads best on this color (10.28:1).
About this color
#4C3376 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.111 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.041 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #4C3376 |
| RGB | rgb(76, 51, 118) |
| HSL | hsl(262, 40%, 33%) |
| OKLCH | oklch(38.5% 0.111 298.2) |
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 #4C3376 | 10.28:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4C3376 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #4C3376 text on white | 10.28:1 | AAA | Lc 93.6 | Preferred for body text |
| #4C3376 text on black | 2.04:1 | Fails | Lc -8.9 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F4
oklch(88.4% 0.046 297.9)
-
Step 300
300
#C7B5F0
oklch(80.8% 0.084 298.5)
-
Step 400
400
#AB8DE8
oklch(70.7% 0.133 298.1)
-
Step 500
500
#986EE1
oklch(63.2% 0.169 298.3)
-
Step 600
600
#8352CF
oklch(55.6% 0.185 298.2)
-
Step 700
700
#6F42B3
oklch(49.1% 0.172 298.1)
-
Step 800
800
#5A3791
oklch(42.6% 0.143 298)
-
Step 900
900 (this color)
#4C3376
oklch(38.5% 0.111 298.2)
-
Step 950
950
#2B1D44
oklch(27% 0.071 298)
#4C3376 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) | #174178 | 0.077 |
| Deuteranopia (no green cones) | #1F4074 | 0.071 |
| Tritanopia (no blue cones) | #43404F | 0.086 |
| Achromatopsia (no color) | #414141 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3376
#4C3376
oklch(38.5% 0.111 298.2)
- #404A00
#404A00
oklch(38.7% 0.09 118.2)
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 #4C3376, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.075
- Indigo #4B0082 ΔE 0.083
- Twilight #4E518B ΔE 0.084
- Cobalt #1E488F ΔE 0.084
- Twilight Blue #0A437A ΔE 0.085
- Royal Purple #4B006E ΔE 0.087
Use #4C3376 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.