#4E2F78
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.121 300.3), rgb(78, 47, 120).
Aa
White text reads best on this color (10.49:1).
About this color
#4E2F78 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.121 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.49:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #4E2F78 |
| RGB | rgb(78, 47, 120) |
| HSL | hsl(265, 44%, 33%) |
| OKLCH | oklch(38.2% 0.121 300.3) |
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 #4E2F78 | 10.49:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #4E2F78 | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #4E2F78 text on white | 10.49:1 | AAA | Lc 94.0 | Preferred for body text |
| #4E2F78 text on black | 2.00:1 | Fails | Lc -8.5 | 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
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F6
oklch(88.5% 0.051 300.6)
-
Step 300
300
#CAB4F3
oklch(81% 0.09 300.4)
-
Step 400
400
#AF8AEC
oklch(70.7% 0.143 300.2)
-
Step 500
500
#9D69E6
oklch(63.2% 0.184 300.4)
-
Step 600
600
#884CD4
oklch(55.6% 0.2 300.2)
-
Step 700
700
#743BB8
oklch(49.1% 0.188 300.5)
-
Step 800
800
#5E3295
oklch(42.6% 0.155 300.3)
-
Step 900
900 (this color)
#4E2F78
oklch(38.2% 0.121 300.3)
-
Step 950
950
#2D1C45
oklch(27.1% 0.075 300.6)
#4E2F78 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) | #0A3F7A | 0.091 |
| Deuteranopia (no green cones) | #193F76 | 0.083 |
| Tritanopia (no blue cones) | #453E4E | 0.092 |
| Achromatopsia (no color) | #3F3F3F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2F78
#4E2F78
oklch(38.2% 0.121 300.3)
- #3D4900
#3D4900
oklch(38.1% 0.09 119.8)
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 #4E2F78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.071
- Indigo #4B0082 ΔE 0.073
- Royal Purple #4B006E ΔE 0.078
- Grape Purple #5D1451 ΔE 0.085
- Twilight #4E518B ΔE 0.091
- Cobalt #1E488F ΔE 0.091
Use #4E2F78 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.