#4C3A86
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.122 290.9), rgb(76, 58, 134).
Aa
White text reads best on this color (9.30:1).
About this color
#4C3A86 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.122 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.012 away. White text reads best on it, at 9.30:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #4C3A86 |
| RGB | rgb(76, 58, 134) |
| HSL | hsl(254, 40%, 38%) |
| OKLCH | oklch(40.9% 0.122 290.9) |
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 #4C3A86 | 9.30:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #4C3A86 | 2.25:1 | Fails | Lc 12.7 | Not readable |
| #4C3A86 text on white | 9.30:1 | AAA | Lc 91.2 | Preferred for body text |
| #4C3A86 text on black | 2.25:1 | Fails | Lc -11.1 | 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 800.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#C0B9EC
oklch(80.9% 0.072 291)
-
Step 400
400
#A193E2
oklch(70.6% 0.114 291.3)
-
Step 500
500
#8B77DA
oklch(63.1% 0.146 290.9)
-
Step 600
600
#765DC8
oklch(55.6% 0.16 291.1)
-
Step 700
700
#634CAC
oklch(49% 0.147 291)
-
Step 800
800 (this color)
#4C3A86
oklch(40.9% 0.122 290.9)
-
Step 900
900
#433670
oklch(37.7% 0.096 291.4)
-
Step 950
950
#272041
oklch(26.9% 0.06 291.6)
#4C3A86 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) | #134889 | 0.073 |
| Deuteranopia (no green cones) | #174584 | 0.070 |
| Tritanopia (no blue cones) | #3C4A5A | 0.099 |
| Achromatopsia (no color) | #474747 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3A86
#4C3A86
oklch(40.9% 0.122 290.9)
- #4D4E00
#4D4E00
oklch(40.9% 0.09 110.6)
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 #4C3A86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.012
- Blueberry #464196 ΔE 0.031
- Rebecca Purple #663399 ΔE 0.058
- Twilight #4E518B ΔE 0.062
- Cobalt #1E488F ΔE 0.066
- Dusk #4E5481 ΔE 0.074
- Dusk Blue #26538D ΔE 0.078
- Twilight Blue #0A437A ΔE 0.081
Use #4C3A86 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.