#4A3C71
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.088 294.2), rgb(74, 60, 113).
Aa
White text reads best on this color (9.65:1).
About this color
#4A3C71 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.088 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 0.044 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #4A3C71 |
| RGB | rgb(74, 60, 113) |
| HSL | hsl(256, 31%, 34%) |
| OKLCH | oklch(39.7% 0.088 294.2) |
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 #4A3C71 | 9.65:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #4A3C71 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #4A3C71 text on white | 9.65:1 | AAA | Lc 92.2 | Preferred for body text |
| #4A3C71 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C2B9E8
oklch(80.9% 0.066 293.6)
-
Step 400
400
#A493DC
oklch(70.6% 0.106 294.2)
-
Step 500
500
#8F77D2
oklch(63% 0.135 294.3)
-
Step 600
600
#7A5EBF
oklch(55.6% 0.147 294.5)
-
Step 700
700
#674DA5
oklch(49.1% 0.137 294.5)
-
Step 800
800
#544086
oklch(42.8% 0.113 294.3)
-
Step 900
900 (this color)
#4A3C71
oklch(39.7% 0.088 294.2)
-
Step 950
950
#28203F
oklch(26.9% 0.057 294.1)
#4A3C71 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) | #2B4573 | 0.049 |
| Deuteranopia (no green cones) | #2D4470 | 0.047 |
| Tritanopia (no blue cones) | #414651 | 0.071 |
| Achromatopsia (no color) | #454545 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3C71
#4A3C71
oklch(39.7% 0.088 294.2)
- #464C02
#464C02
oklch(39.7% 0.089 114.9)
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 #4A3C71, 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 0.061
- Twilight #4E518B ΔE 0.067
- Dusk #4E5481 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.072
- Twilight Blue #0A437A ΔE 0.074
- Cobalt #1E488F ΔE 0.075
- Light Navy #155084 ΔE 0.079
Use #4A3C71 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.