#4E3796
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.148 289.5), rgb(78, 55, 150).
Aa
White text reads best on this color (9.08:1).
About this color
#4E3796 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.148 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.08:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #4E3796 |
| RGB | rgb(78, 55, 150) |
| HSL | hsl(255, 46%, 40%) |
| OKLCH | oklch(41.8% 0.148 289.5) |
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 #4E3796 | 9.08:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #4E3796 | 2.31:1 | Fails | Lc 13.5 | Not readable |
| #4E3796 text on white | 9.08:1 | AAA | Lc 90.5 | Preferred for body text |
| #4E3796 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB8F6
oklch(81% 0.087 289.5)
-
Step 400
400
#9F90F1
oklch(70.6% 0.139 289.4)
-
Step 500
500
#8A71EC
oklch(63.1% 0.178 289.7)
-
Step 600
600
#7556DA
oklch(55.6% 0.193 289.4)
-
Step 700
700
#6345BD
oklch(49.1% 0.179 289.6)
-
Step 800
800 (this color)
#4E3796
oklch(41.8% 0.148 289.5)
-
Step 900
900
#42337A
oklch(37.7% 0.116 289.4)
-
Step 950
950
#261E47
oklch(26.8% 0.074 289.5)
#4E3796 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) | #004A99 | 0.084 |
| Deuteranopia (no green cones) | #004694 | 0.083 |
| Tritanopia (no blue cones) | #374D61 | 0.121 |
| Achromatopsia (no color) | #484848 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3796
#4E3796
oklch(41.8% 0.148 289.5)
- #505000
#505000
oklch(41.7% 0.091 109.8)
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 #4E3796, 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 0.026
- Rebecca Purple #663399 ΔE 0.045
- Chrysanthemum #560BAD ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.071
- Twilight #4E518B ΔE 0.072
- Cobalt #1E488F ΔE 0.073
- Sapphire #2138AB ΔE 0.073
Use #4E3796 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.