#4A3277
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.114 296.7), rgb(74, 50, 119).
Aa
White text reads best on this color (10.42:1).
About this color
#4A3277 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.114 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 0.041 away. White text reads best on it, at 10.42:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #4A3277 |
| RGB | rgb(74, 50, 119) |
| HSL | hsl(261, 41%, 33%) |
| OKLCH | oklch(38.2% 0.114 296.7) |
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 #4A3277 | 10.42:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #4A3277 | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #4A3277 text on white | 10.42:1 | AAA | Lc 93.9 | Preferred for body text |
| #4A3277 text on black | 2.01:1 | Fails | Lc -8.6 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DCD3F5
oklch(88.5% 0.047 297.5)
-
Step 300
300
#C6B6F2
oklch(81% 0.085 296.7)
-
Step 400
400
#A98DEB
oklch(70.6% 0.137 296.5)
-
Step 500
500
#966DE5
oklch(63.1% 0.176 296.8)
-
Step 600
600
#8152D2
oklch(55.6% 0.189 296.7)
-
Step 700
700
#6D41B6
oklch(49% 0.176 296.6)
-
Step 800
800
#593794
oklch(42.8% 0.146 296.5)
-
Step 900
900 (this color)
#4A3277
oklch(38.2% 0.114 296.7)
-
Step 950
950
#2A1D45
oklch(26.9% 0.073 296.2)
#4A3277 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) | #124079 | 0.078 |
| Deuteranopia (no green cones) | #1A3F75 | 0.073 |
| Tritanopia (no blue cones) | #40404F | 0.089 |
| Achromatopsia (no color) | #404040 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3277
#4A3277
oklch(38.2% 0.114 296.7)
- #404800
#404800
oklch(38.1% 0.088 116.7)
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 #4A3277, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.077
- Indigo #4B0082 ΔE 0.079
- Cobalt #1E488F ΔE 0.083
- Twilight Blue #0A437A ΔE 0.083
- Royal Purple #4B006E ΔE 0.084
- Twilight #4E518B ΔE 0.086
Use #4A3277 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.