#4E78CE#4E78CE

#4E78CE is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.140 H 263.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4E78CE
RGB	rgb(78, 120, 206)
HSL	hsl(220, 57%, 56%)
HSV	hsv(220, 62%, 81%)
CMYK	cmyk(62.1%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(51.28, 12.27, -48.92)
CIE-LCH	lch(51.28, 50.43, 284.08°)
OKLab	oklab(58.4% -0.0168 -0.1393)
OKLCH	oklch(58.4% 0.14 263.1)
XYZ	xyz(20.9951, 19.5070, 61.0394)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78CE #CEA44E

analogous

#4EB8CE #4E78CE #644ECE

triadic

#4E78CE #CE4E78 #78CE4E

tetradic

#4E78CE #CE4EB8 #CEA44E #4ECE64

square

#4E78CE #CE4EB8 #CEA44E #4ECE64

split-complementary

#4E78CE #CE644E #B8CE4E

monochromatic

#23417F #305AAE #4E78CE #7E9DDB #AEC1E9

Accessibility & contrast

On white

4.28

#4E78CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4E78CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78CE

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78CE	#FFFFFF	#000000	##000000
##4E78CE	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180D1

Deuteranopia (green-blind)

#3E75CC

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4e78ce;
/* rgb */ color: rgb(78, 120, 206);
/* oklch */ color: oklch(58.4% 0.140 263.1);

Tailwind

colors: {
  custom: {
    50: '#8b9edd',
    500: '#4e78ce',
    950: '#000000',
  },
}

SCSS

$custom: #4e78ce;
$custom-light: #8b9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78ce",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 220.313,
    "s": 56.637,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58398,
    "c": 0.14035,
    "h": 263.1
  },
  "luminance": 0.19509
}

Semantic roles & 50–950 ramp

primary

#4E78CE

secondary

#D7C5A1

accent

#AE48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78CE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →