#4C3963
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.073 304), rgb(76, 57, 99).
Aa
White text reads best on this color (10.13:1).
About this color
#4C3963 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.073 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.067 away. White text reads best on it, at 10.13:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #4C3963 |
| RGB | rgb(76, 57, 99) |
| HSL | hsl(267, 27%, 31%) |
| OKLCH | oklch(38.4% 0.073 304) |
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 #4C3963 | 10.13:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #4C3963 | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #4C3963 text on white | 10.13:1 | AAA | Lc 93.4 | Preferred for body text |
| #4C3963 text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C8B8DE
oklch(80.8% 0.055 304.3)
-
Step 400
400
#AC93CD
oklch(70.6% 0.087 304)
-
Step 500
500
#9878C0
oklch(63.1% 0.111 303.8)
-
Step 600
600
#835FAD
oklch(55.6% 0.123 304)
-
Step 700
700
#6F4E94
oklch(49% 0.113 304.3)
-
Step 800
800
#5A4178
oklch(42.7% 0.092 303.7)
-
Step 900
900 (this color)
#4C3963
oklch(38.4% 0.073 304)
-
Step 950
950
#2B2039
oklch(26.9% 0.047 303.6)
#4C3963 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) | #2F4165 | 0.049 |
| Deuteranopia (no green cones) | #334262 | 0.046 |
| Tritanopia (no blue cones) | #484049 | 0.056 |
| Achromatopsia (no color) | #414141 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3963
#4C3963
oklch(38.4% 0.073 304)
- #3B4A1A
#3B4A1A
oklch(38.4% 0.074 124.4)
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 #4C3963, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.075
- Onyx #343A40 ΔE 0.077
- Charcoal #264653 ΔE 0.077
- Prussian Blue #1D3557 ΔE 0.080
- Purple Brown #673A3F ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.082
Use #4C3963 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.