#4D3B7C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.5% 0.106 293.9), rgb(77, 59, 124).
Aa
White text reads best on this color (9.40:1).
About this color
#4D3B7C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.106 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 0.026 away. White text reads best on it, at 9.40:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #4D3B7C |
| RGB | rgb(77, 59, 124) |
| HSL | hsl(257, 36%, 36%) |
| OKLCH | oklch(40.5% 0.106 293.9) |
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 #4D3B7C | 9.40:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #4D3B7C | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #4D3B7C text on white | 9.40:1 | AAA | Lc 91.6 | Preferred for body text |
| #4D3B7C text on black | 2.23:1 | Fails | Lc -10.8 | 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 800.
-
Step 50
50
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2BAE6
oklch(81% 0.062 293.3)
-
Step 400
400
#A495D9
oklch(70.8% 0.099 293.8)
-
Step 500
500
#8E79CE
oklch(63.1% 0.126 293.8)
-
Step 600
600
#7960BB
oklch(55.6% 0.138 294.1)
-
Step 700
700
#664FA1
oklch(49.1% 0.128 294.1)
-
Step 800
800 (this color)
#4D3B7C
oklch(40.5% 0.106 293.9)
-
Step 900
900
#443869
oklch(37.7% 0.082 293.3)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#4D3B7C 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) | #22477E | 0.064 |
| Deuteranopia (no green cones) | #26457A | 0.060 |
| Tritanopia (no blue cones) | #424855 | 0.086 |
| Achromatopsia (no color) | #464646 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3B7C
#4D3B7C
oklch(40.5% 0.106 293.9)
- #494E00
#494E00
oklch(40.5% 0.091 113.9)
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 #4D3B7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.061
- Rebecca Purple #663399 ΔE 0.068
- Dusk #4E5481 ΔE 0.070
- Cobalt #1E488F ΔE 0.071
- Dusk Blue #26538D ΔE 0.079
- Twilight Blue #0A437A ΔE 0.079
Use #4D3B7C 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.