#4D3673
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.102 299), rgb(77, 54, 115).
Aa
White text reads best on this color (10.04:1).
About this color
#4D3673 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.102 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 10.04:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #4D3673 |
| RGB | rgb(77, 54, 115) |
| HSL | hsl(263, 36%, 33%) |
| OKLCH | oklch(38.9% 0.102 299) |
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 #4D3673 | 10.04:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #4D3673 | 2.09:1 | Fails | Lc 10.8 | Not readable |
| #4D3673 text on white | 10.04:1 | AAA | Lc 93.1 | Preferred for body text |
| #4D3673 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#DDD4F2
oklch(88.6% 0.042 299.2)
-
Step 300
300
#C7B6EC
oklch(80.9% 0.077 299.1)
-
Step 400
400
#AB8FE2
oklch(70.7% 0.122 298.8)
-
Step 500
500
#9770DA
oklch(63% 0.157 298.8)
-
Step 600
600
#8356C7
oklch(55.6% 0.17 299.2)
-
Step 700
700
#6F46AC
oklch(49.2% 0.157 299.1)
-
Step 800
800
#5A3A8B
oklch(42.7% 0.13 299)
-
Step 900
900 (this color)
#4D3673
oklch(38.9% 0.102 299)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#4D3673 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) | #214275 | 0.068 |
| Deuteranopia (no green cones) | #274272 | 0.063 |
| Tritanopia (no blue cones) | #45424F | 0.080 |
| Achromatopsia (no color) | #424242 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3673
#4D3673
oklch(38.9% 0.102 299)
- #404B00
#404B00
oklch(38.9% 0.091 118.9)
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 #4D3673, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.062
- Twilight #4E518B ΔE 0.078
- Rebecca Purple #663399 ΔE 0.078
- Cobalt #1E488F ΔE 0.083
- Twilight Blue #0A437A ΔE 0.083
- Dusk #4E5481 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.087
Use #4D3673 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.