#4C3D75
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.092 294.2), rgb(76, 61, 117).
Aa
White text reads best on this color (9.41:1).
About this color
#4C3D75 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 9.41:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #4C3D75 |
| RGB | rgb(76, 61, 117) |
| HSL | hsl(256, 31%, 35%) |
| OKLCH | oklch(40.3% 0.092 294.2) |
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 #4C3D75 | 9.41:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #4C3D75 | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #4C3D75 text on white | 9.41:1 | AAA | Lc 91.6 | Preferred for body text |
| #4C3D75 text on black | 2.23:1 | Fails | Lc -10.8 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD6EC
oklch(88.6% 0.03 294.1)
-
Step 300
300
#C2BAE1
oklch(80.8% 0.055 294.5)
-
Step 400
400
#A396D2
oklch(70.6% 0.087 294)
-
Step 500
500
#8E7BC6
oklch(63.1% 0.112 294.6)
-
Step 600
600
#7864B2
oklch(55.7% 0.119 294)
-
Step 700
700
#655299
oklch(49.1% 0.112 294.2)
-
Step 800
800 (this color)
#4C3D75
oklch(40.3% 0.092 294.2)
-
Step 900
900
#443964
oklch(37.6% 0.073 294.4)
-
Step 950
950
#28223B
oklch(27.1% 0.046 294.1)
#4C3D75 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) | #2B4777 | 0.053 |
| Deuteranopia (no green cones) | #2D4574 | 0.049 |
| Tritanopia (no blue cones) | #434853 | 0.076 |
| Achromatopsia (no color) | #464646 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3D75
#4C3D75
oklch(40.3% 0.092 294.2)
- #484D00
#484D00
oklch(40.2% 0.09 114)
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 #4C3D75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.055
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.065
- Cobalt #1E488F ΔE 0.073
- Twilight Blue #0A437A ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.077
- Dusk Blue #26538D ΔE 0.077
Use #4C3D75 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.