#4D3271
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.106 301.3), rgb(77, 50, 113).
Aa
White text reads best on this color (10.44:1).
About this color
#4D3271 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 10.44:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.44:1 |
Values
| HEX | #4D3271 |
| RGB | rgb(77, 50, 113) |
| HSL | hsl(266, 39%, 32%) |
| OKLCH | oklch(38.1% 0.106 301.3) |
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 #4D3271 | 10.44:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #4D3271 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #4D3271 text on white | 10.44:1 | AAA | Lc 94.0 | Preferred for body text |
| #4D3271 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F2
oklch(88.5% 0.044 301.7)
-
Step 300
300
#C9B5EC
oklch(80.8% 0.079 301.3)
-
Step 400
400
#AF8DE3
oklch(70.8% 0.127 301.4)
-
Step 500
500
#9C6EDB
oklch(63.2% 0.163 301.4)
-
Step 600
600
#8753C8
oklch(55.6% 0.176 301.4)
-
Step 700
700
#7242AD
oklch(49% 0.165 301.2)
-
Step 800
800
#5D388C
oklch(42.8% 0.135 301.2)
-
Step 900
900 (this color)
#4D3271
oklch(38.1% 0.106 301.3)
-
Step 950
950
#2C1D42
oklch(26.9% 0.068 300.6)
#4D3271 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) | #1B3F73 | 0.077 |
| Deuteranopia (no green cones) | #233F6F | 0.070 |
| Tritanopia (no blue cones) | #463E4C | 0.081 |
| Achromatopsia (no color) | #404040 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3271
#4D3271
oklch(38.1% 0.106 301.3)
- #3B4900
#3B4900
oklch(37.9% 0.091 121.3)
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 #4D3271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.081
- Grape Purple #5D1451 ΔE 0.081
- Indigo #4B0082 ΔE 0.084
- Royal Purple #4B006E ΔE 0.085
- Twilight Blue #0A437A ΔE 0.088
- Twilight #4E518B ΔE 0.088
Use #4D3271 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.