#4D2D81
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.135 297.1), rgb(77, 45, 129).
Aa
White text reads best on this color (10.45:1).
About this color
#4D2D81 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.135 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 10.45:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #4D2D81 |
| RGB | rgb(77, 45, 129) |
| HSL | hsl(263, 48%, 34%) |
| OKLCH | oklch(38.4% 0.135 297.1) |
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 #4D2D81 | 10.45:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #4D2D81 | 2.00:1 | Fails | Lc 10.1 | Not readable |
| #4D2D81 text on white | 10.45:1 | AAA | Lc 93.8 | Preferred for body text |
| #4D2D81 text on black | 2.00:1 | Fails | Lc -8.7 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DDD2FB
oklch(88.6% 0.057 297.5)
-
Step 300
300
#C7B3FA
oklch(80.9% 0.101 297)
-
Step 400
400
#AC88F8
oklch(70.7% 0.162 296.9)
-
Step 500
500
#9A64F5
oklch(63.1% 0.208 297.2)
-
Step 600
600
#8645E3
oklch(55.6% 0.225 297.3)
-
Step 700
700
#7235C6
oklch(49.2% 0.21 297.1)
-
Step 800
800
#5C2EA0
oklch(42.8% 0.173 296.8)
-
Step 900
900 (this color)
#4D2D81
oklch(38.4% 0.135 297.1)
-
Step 950
950
#2C1A4A
oklch(27% 0.086 297.6)
#4D2D81 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) | #004084 | 0.093 |
| Deuteranopia (no green cones) | #003E7F | 0.094 |
| Tritanopia (no blue cones) | #404052 | 0.106 |
| Achromatopsia (no color) | #3F3F3F | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D2D81
#4D2D81
oklch(38.4% 0.135 297.1)
- #404900
#404900
oklch(38.4% 0.089 117.5)
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 #4D2D81, 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 0.057
- Rebecca Purple #663399 ΔE 0.064
- Indigo #4B0082 ΔE 0.064
- Royal Purple #4B006E ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.082
- Cobalt #1E488F ΔE 0.088
Use #4D2D81 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.