#4D4571
Closest named color: Dusk (#4E5481). oklch(41.8% 0.072 291.3), rgb(77, 69, 113).
Aa
White text reads best on this color (8.73:1).
About this color
#4D4571 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.072 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.046 away. White text reads best on it, at 8.73:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.40:1 |
| White text | 8.73:1 |
Values
| HEX | #4D4571 |
| RGB | rgb(77, 69, 113) |
| HSL | hsl(251, 24%, 36%) |
| OKLCH | oklch(41.8% 0.072 291.3) |
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 #4D4571 | 8.73:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #4D4571 | 2.40:1 | Fails | Lc 14.1 | Not readable |
| #4D4571 text on white | 8.73:1 | AAA | Lc 89.9 | Fine for body text |
| #4D4571 text on black | 2.40:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE9F2
oklch(93.7% 0.012 291.3)
-
Step 200
200
#D9D7E8
oklch(88.6% 0.023 291.3)
-
Step 300
300
#C0BCDB
oklch(80.8% 0.043 291.3)
-
Step 400
400
#A09AC8
oklch(70.8% 0.067 290.6)
-
Step 500
500
#8A80BA
oklch(63.1% 0.087 291.6)
-
Step 600
600
#7469A6
oklch(55.6% 0.094 291.3)
-
Step 700
700
#61578E
oklch(49% 0.087 291.2)
-
Step 800
800 (this color)
#4D4571
oklch(41.8% 0.072 291.3)
-
Step 900
900
#423C5D
oklch(37.7% 0.056 291.8)
-
Step 950
950
#262337
oklch(26.9% 0.037 290.6)
#4D4571 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) | #384C73 | 0.035 |
| Deuteranopia (no green cones) | #394A70 | 0.033 |
| Tritanopia (no blue cones) | #454D55 | 0.061 |
| Achromatopsia (no color) | #4B4B4B | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4571
#4D4571
oklch(41.8% 0.072 291.3)
- #4E501D
#4E501D
oklch(41.8% 0.072 111.2)
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 #4D4571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.046
- Twilight #4E518B ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.053
- Dusty Grape #545775 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.061
- Blueberry #464196 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.067
- Dusk Blue #26538D ΔE 0.068
Use #4D4571 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.