#4E4285
Closest named color: Dark Slate Blue (#483D8B). oklch(42.5% 0.108 289.2), rgb(78, 66, 133).
Aa
White text reads best on this color (8.59:1).
About this color
#4E4285 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.108 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.021 away. White text reads best on it, at 8.59:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #4E4285 |
| RGB | rgb(78, 66, 133) |
| HSL | hsl(251, 34%, 39%) |
| OKLCH | oklch(42.5% 0.108 289.2) |
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 #4E4285 | 8.59:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #4E4285 | 2.44:1 | Fails | Lc 14.6 | Not readable |
| #4E4285 text on white | 8.59:1 | AAA | Lc 89.4 | Fine for body text |
| #4E4285 text on black | 2.44:1 | Fails | Lc -12.9 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#BFBBE8
oklch(81% 0.063 289)
-
Step 400
400
#9F96DC
oklch(70.7% 0.101 289.4)
-
Step 500
500
#887BD2
oklch(63.2% 0.128 289)
-
Step 600
600
#7362BF
oklch(55.6% 0.14 289.4)
-
Step 700
700
#6051A5
oklch(49.1% 0.13 288.9)
-
Step 800
800 (this color)
#4E4285
oklch(42.5% 0.108 289.2)
-
Step 900
900
#41396B
oklch(37.8% 0.084 289.1)
-
Step 950
950
#26223F
oklch(27.2% 0.053 288.7)
#4E4285 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) | #284D87 | 0.056 |
| Deuteranopia (no green cones) | #284A83 | 0.054 |
| Tritanopia (no blue cones) | #3F505D | 0.090 |
| Achromatopsia (no color) | #4C4C4C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E4285
#4E4285
oklch(42.5% 0.108 289.2)
- #535200
#535200
oklch(42.6% 0.092 108.9)
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 #4E4285, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.021
- Blueberry #464196 ΔE 0.031
- Twilight #4E518B ΔE 0.041
- Dusk #4E5481 ΔE 0.053
- Cobalt #1E488F ΔE 0.062
- Rebecca Purple #663399 ΔE 0.063
- Dusk Blue #26538D ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.071
Use #4E4285 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.