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#4e4df2

a balanced, electric blue · cool · closest name: Slate Blue

RGB
78, 77, 242
HSL
240°, 86%, 63%
CMYK
68, 68, 0, 5
Luminance
0.1334

At a glance

Every number on this page in one read: what #4e4df2 is made of, how bright it looks, and which way it leans.

Hex
#4e4df2
Hue
240°
blue
Saturation
86%
electric
Lightness
63%
balanced
Brightness
95%
HSV value
Perceived
43%
weighted brightness
Luminance
0.1334
WCAG relative
Temperature
Cool
83/100 cool
Color family
Blue
Tone
Electric
Best ink
White
5.73:1
Closest name
Slate Blue
ΔE2000 6.5
Where it sits
Hue240° of 360°
Saturation86%
Lightness63%
Temperature
Warm ← → Cool83% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#4e4df2
RGBrgb(78, 77, 242)
HSLhsl(240, 86%, 63%)
CMYKcmyk(68%, 68%, 0%, 5%)
LABlab(43.3 50.7 -82.3)
LCHlch(43.3 96.6 301.6)
OKLCHoklch(0.532 0.239 274.9)
Decimal5131762
Display P3color(display-p3 0.306 0.302 0.949)

Copy-ready code

/* CSS */
color: #4e4df2;
background-color: #4e4df2;
/* Tailwind (arbitrary) */
class="text-[#4e4df2] bg-[#4e4df2]"
/* SCSS */
$brand: #4e4df2;
/* SwiftUI */
Color(red: 0.306, green: 0.302, blue: 0.949)
/* Android */
Color.parseColor("#4e4df2")
/* Flutter */
Color(0xFF4E4DF2)
/* Python / OpenCV (BGR) */
(242, 77, 78)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #4e4df2 · 5.73:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 5.73:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 3.67:1
AA fail · AA large pass · AAA fail
Reading the other direction: #4e4df2 as text scores 5.73:1 on white and 3.67:1 on black.

Accessibility — WCAG contrast

Aa
#4e4df2 on white: 5.73:1
AA ✓ pass · AA-large · AAA
Aa
#4e4df2 on black: 3.67:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #006EF7
deuteranopia · #005FEF
tritanopia · #007A9A

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #4e4df2 is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F2F2FD
#E5E5FA
#C5C5F7
#9796F7
#4e4df2
#2F2EF0
#1211E4
#0F0EBE
#0C0B98
#0D0D6E
#080845
Base = 400Lightest = 50 · #F2F2FDDarkest = 950 · #080845
:root {
  --brand-50: #F2F2FD;
  --brand-100: #E5E5FA;
  --brand-200: #C5C5F7;
  --brand-300: #9796F7;
  --brand-400: #4e4df2;
  --brand-500: #2F2EF0;
  --brand-600: #1211E4;
  --brand-700: #0F0EBE;
  --brand-800: #0C0B98;
  --brand-900: #0D0D6E;
  --brand-950: #080845;
  --brand: #4e4df2;
  --brand-ink: #ffffff;
}

Colors that work with #4e4df2

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F4F4FA
Tinted page background
Border#C0C0ED
Hairlines and dividers
Muted text#4B4B9B
Captions on the surface
Accent#C2950A
Second voice, not a rival
Dark variant#090977
Hover, pressed, headers
Light variant#E7E7FD
Selected rows, tints
Dark surface#141424
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #4e4df2

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Full-page backgrounds — tiring over long sessions
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#F1F24D
Analogous left#4D9EF2
Analogous right#A04DF2
Split-complement 1#F2A04D
Split-complement 2#9EF24D
Triadic 1#F24E4D
Triadic 2#4DF24E
Tetradic#F24D9E

RGB percentages

Red30.6%
Green30.2%
Blue94.9%

CMYK percentages

Cyan67.8%
Magenta68.2%
Yellow0.0%
Key (black)5.1%

Color previews

#4e4df2 text on a black background

contrast 3.67:1

Card sample

#4e4df2 text on a white background

contrast 5.73:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #4e4df2;
Background color
Panel with #4e4df2 background
background-color: #4e4df2;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #4e4df2;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(78, 77, 242, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(78, 77, 242, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4e4df2;
background: linear-gradient(135deg, #4e4df2, #BC4DF2);

Monochromatic scale

Palettes built from #4e4df2

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#4e4df2 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyFinanceHealthcareEnterprise SaaS
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#4e4df2, answered

What color is #4e4df2?

#4e4df2 is a balanced electric blue, closest to Slate Blue (ΔE2000 6.5). It sits at 240° on the hue wheel with 86% saturation and 63% lightness, which reads as cool.

What is the RGB value of #4e4df2?

rgb(78, 77, 242) — 78 red, 77 green and 242 blue out of 255, or 30.6% / 30.2% / 94.9% by channel.

Is #4e4df2 a light or a dark color?

It is a dark color. Relative luminance is 0.1334 and perceived brightness is 43%, so white text on it reaches 5.73:1.

Should I use black or white text on #4e4df2?

White. It scores 5.73:1 against #4e4df2, versus 3.67:1 for black — AA at any size.

What is the complementary color of #4e4df2?

#F1F24D sits directly opposite on the wheel. Softer options are the split-complements #F2A04D and #9EF24D, which give the same contrast with far less vibration.

What colors go well with #4e4df2?

For interface work: #F4F4FA as the surface, #C0C0ED for borders, #4B4B9B for secondary text, #C2950A as an accent and #090977 for hover and pressed states. For a palette, the analogous pair #4D9EF2 and #A04DF2 stays calm, while #F1F24D is the loudest partner.

What is #4e4df2 in CMYK for printing?

cmyk(68%, 68%, 0%, 5%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #4e4df2 warm or cool?

Cool — it scores 83 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #8A4DF2; nudged cooler, #4B75F4.

Work with #4e4df2 in the Color Lab