#4E2D78
Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.124 300.9), rgb(78, 45, 120).
Aa
White text reads best on this color (10.65:1).
About this color
#4E2D78 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.124 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.65:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #4E2D78 |
| RGB | rgb(78, 45, 120) |
| HSL | hsl(266, 45%, 32%) |
| OKLCH | oklch(37.8% 0.124 300.9) |
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 #4E2D78 | 10.65:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #4E2D78 | 1.97:1 | Fails | Lc 9.6 | Not readable |
| #4E2D78 text on white | 10.65:1 | AAA | Lc 94.3 | Preferred for body text |
| #4E2D78 text on black | 1.97:1 | Fails | Lc -8.2 | 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 900.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DED2F7
oklch(88.5% 0.052 300.1)
-
Step 300
300
#CAB3F4
oklch(80.9% 0.093 300.5)
-
Step 400
400
#B189EE
oklch(70.8% 0.148 301)
-
Step 500
500
#9E67E8
oklch(63.1% 0.189 300.8)
-
Step 600
600
#8A49D6
oklch(55.5% 0.207 301)
-
Step 700
700
#7539BA
oklch(49.1% 0.193 300.7)
-
Step 800
800
#5F3196
oklch(42.7% 0.158 300.8)
-
Step 900
900 (this color)
#4E2D78
oklch(37.8% 0.124 300.9)
-
Step 950
950
#2D1B46
oklch(27% 0.078 300.6)
#4E2D78 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) | #023E7A | 0.096 |
| Deuteranopia (no green cones) | #153E76 | 0.087 |
| Tritanopia (no blue cones) | #453D4E | 0.094 |
| Achromatopsia (no color) | #3E3E3E | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2D78
#4E2D78
oklch(37.8% 0.124 300.9)
- #3B4900
#3B4900
oklch(37.9% 0.091 121.3)
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 #4E2D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.067
- Indigo #4B0082 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.072
- Royal Purple #4B006E ΔE 0.073
- Grape Purple #5D1451 ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.093
- Cobalt #1E488F ΔE 0.094
Use #4E2D78 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.