#4D3F74
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.088 294.3), rgb(77, 63, 116).
Aa
White text reads best on this color (9.21:1).
About this color
#4D3F74 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.088 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 0.041 away. White text reads best on it, at 9.21:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #4D3F74 |
| RGB | rgb(77, 63, 116) |
| HSL | hsl(256, 30%, 35%) |
| OKLCH | oklch(40.8% 0.088 294.3) |
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 #4D3F74 | 9.21:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #4D3F74 | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #4D3F74 text on white | 9.21:1 | AAA | Lc 91.1 | Preferred for body text |
| #4D3F74 text on black | 2.27:1 | Fails | Lc -11.2 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BBDF
oklch(80.9% 0.051 294.2)
-
Step 400
400
#A397CF
oklch(70.7% 0.082 294)
-
Step 500
500
#8D7CC2
oklch(63% 0.105 294.4)
-
Step 600
600
#7865AF
oklch(55.7% 0.113 294.2)
-
Step 700
700
#655396
oklch(49.1% 0.106 294.6)
-
Step 800
800 (this color)
#4D3F74
oklch(40.8% 0.088 294.3)
-
Step 900
900
#443A62
oklch(37.7% 0.068 294.4)
-
Step 950
950
#282239
oklch(27% 0.043 295.4)
#4D3F74 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) | #2E4876 | 0.049 |
| Deuteranopia (no green cones) | #314773 | 0.046 |
| Tritanopia (no blue cones) | #444954 | 0.071 |
| Achromatopsia (no color) | #484848 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3F74
#4D3F74
oklch(40.8% 0.088 294.3)
- #494F08
#494F08
oklch(40.9% 0.088 114.8)
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 #4D3F74, 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
- Twilight #4E518B ΔE 0.057
- Dusk #4E5481 ΔE 0.060
- Dusty Grape #545775 ΔE 0.072
- Cobalt #1E488F ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.075
- Dusk Blue #26538D ΔE 0.075
Use #4D3F74 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.