#4D3A84
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.119 292.1), rgb(77, 58, 132).
Aa
White text reads best on this color (9.31:1).
About this color
#4D3A84 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.119 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.015 away. White text reads best on it, at 9.31:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #4D3A84 |
| RGB | rgb(77, 58, 132) |
| HSL | hsl(255, 39%, 37%) |
| OKLCH | oklch(40.8% 0.119 292.1) |
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 #4D3A84 | 9.31:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #4D3A84 | 2.25:1 | Fails | Lc 12.7 | Not readable |
| #4D3A84 text on white | 9.31:1 | AAA | Lc 91.3 | Preferred for body text |
| #4D3A84 text on black | 2.25:1 | Fails | Lc -11.1 | 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
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C1B9EB
oklch(80.9% 0.07 292.1)
-
Step 400
400
#A293E0
oklch(70.6% 0.112 292.2)
-
Step 500
500
#8C77D8
oklch(63.1% 0.143 291.7)
-
Step 600
600
#775EC5
oklch(55.6% 0.154 291.8)
-
Step 700
700
#654CAA
oklch(49% 0.145 292.5)
-
Step 800
800 (this color)
#4D3A84
oklch(40.8% 0.119 292.1)
-
Step 900
900
#43366E
oklch(37.6% 0.093 292)
-
Step 950
950
#272041
oklch(26.9% 0.06 291.6)
#4D3A84 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) | #174887 | 0.072 |
| Deuteranopia (no green cones) | #1B4582 | 0.069 |
| Tritanopia (no blue cones) | #3E4A59 | 0.098 |
| Achromatopsia (no color) | #474747 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3A84
#4D3A84
oklch(40.8% 0.119 292.1)
- #4B4E00
#4B4E00
oklch(40.7% 0.09 112.3)
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 #4D3A84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.015
- Blueberry #464196 ΔE 0.034
- Rebecca Purple #663399 ΔE 0.059
- Twilight #4E518B ΔE 0.062
- Cobalt #1E488F ΔE 0.068
- Dusk #4E5481 ΔE 0.073
- Dusk Blue #26538D ΔE 0.079
- Twilight Blue #0A437A ΔE 0.082
Use #4D3A84 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.