#4C3B71
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.09 296.6), rgb(76, 59, 113).
Aa
White text reads best on this color (9.67:1).
About this color
#4C3B71 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.090 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #4C3B71 |
| RGB | rgb(76, 59, 113) |
| HSL | hsl(259, 31%, 34%) |
| OKLCH | oklch(39.7% 0.09 296.6) |
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 #4C3B71 | 9.67:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #4C3B71 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #4C3B71 text on white | 9.67:1 | AAA | Lc 92.3 | Preferred for body text |
| #4C3B71 text on black | 2.17:1 | Fails | Lc -10.1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD5F0
oklch(88.6% 0.037 295.8)
-
Step 300
300
#C4B8E8
oklch(80.9% 0.068 296.3)
-
Step 400
400
#A792DC
oklch(70.7% 0.108 296.6)
-
Step 500
500
#9275D2
oklch(63% 0.138 296.6)
-
Step 600
600
#7D5CBF
oklch(55.5% 0.15 296.6)
-
Step 700
700
#6A4BA5
oklch(49% 0.14 296.8)
-
Step 800
800
#563E86
oklch(42.6% 0.116 296.5)
-
Step 900
900 (this color)
#4C3B71
oklch(39.7% 0.09 296.6)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#4C3B71 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) | #2A4573 | 0.055 |
| Deuteranopia (no green cones) | #2D4470 | 0.051 |
| Tritanopia (no blue cones) | #444550 | 0.072 |
| Achromatopsia (no color) | #444444 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3B71
#4C3B71
oklch(39.7% 0.09 296.6)
- #444C02
#444C02
oklch(39.6% 0.09 116.5)
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 #4C3B71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.062
- Twilight #4E518B ΔE 0.069
- Dusk #4E5481 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.076
- Twilight Blue #0A437A ΔE 0.078
- Cobalt #1E488F ΔE 0.078
- Light Navy #155084 ΔE 0.083
Use #4C3B71 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.