#4E3582
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.124 295.1), rgb(78, 53, 130).
Aa
White text reads best on this color (9.74:1).
About this color
#4E3582 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.124 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.74:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #4E3582 |
| RGB | rgb(78, 53, 130) |
| HSL | hsl(259, 42%, 36%) |
| OKLCH | oklch(39.9% 0.124 295.1) |
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 #4E3582 | 9.74:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #4E3582 | 2.15:1 | Fails | Lc 11.7 | Not readable |
| #4E3582 text on white | 9.74:1 | AAA | Lc 92.3 | Preferred for body text |
| #4E3582 text on black | 2.15:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FB
oklch(93.7% 0.027 295)
-
Step 200
200
#DBD3F9
oklch(88.5% 0.052 295)
-
Step 300
300
#C5B5F7
oklch(80.9% 0.093 295.4)
-
Step 400
400
#A88BF3
oklch(70.6% 0.15 295.1)
-
Step 500
500
#956AEE
oklch(63.1% 0.191 295.4)
-
Step 600
600
#804DDD
oklch(55.5% 0.208 295)
-
Step 700
700
#6D3DC0
oklch(49.2% 0.193 295.1)
-
Step 800
800
#58349B
oklch(42.7% 0.159 294.8)
-
Step 900
900 (this color)
#4E3582
oklch(39.9% 0.124 295.1)
-
Step 950
950
#2A1C48
oklch(26.9% 0.079 295.3)
#4E3582 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) | #0B4585 | 0.084 |
| Deuteranopia (no green cones) | #154380 | 0.079 |
| Tritanopia (no blue cones) | #414556 | 0.098 |
| Achromatopsia (no color) | #444444 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3582
#4E3582
oklch(39.9% 0.124 295.1)
- #464D00
#464D00
oklch(40% 0.091 115.6)
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 #4E3582, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.043
- Rebecca Purple #663399 ΔE 0.058
- Twilight #4E518B ΔE 0.074
- Cobalt #1E488F ΔE 0.077
- Indigo #4B0082 ΔE 0.083
- Dusk #4E5481 ΔE 0.085
- Twilight Blue #0A437A ΔE 0.087
Use #4E3582 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.