#4E78EB#4E78EB

#4E78EB is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.3% C 0.180 H 266.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4E78EB
RGB	rgb(78, 120, 235)
HSL	hsl(224, 80%, 61%)
HSV	hsv(224, 67%, 92%)
CMYK	cmyk(66.8%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(53.00, 22.29, -62.50)
CIE-LCH	lch(53.00, 66.35, 289.63°)
OKLab	oklab(60.28% -0.0123 -0.1792)
OKLCH	oklch(60.28% 0.18 266.1)
XYZ	xyz(24.8485, 21.0484, 81.3344)
Luminance	0.2105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78EB #EBC14E

analogous

#4EC7EB #4E78EB #734EEB

triadic

#4E78EB #EB4E78 #78EB4E

tetradic

#4E78EB #EB4EC7 #EBC14E #4EEB73

square

#4E78EB #EB4EC7 #EBC14E #4EEB73

split-complementary

#4E78EB #EB734E #C7EB4E

monochromatic

#133CAB #1A4FE2 #4E78EB #85A2F1 #BCCCF7

Accessibility & contrast

On white

4.03

#4E78EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#4E78EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78EB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78EB	#FFFFFF	#000000	##000000
##4E78EB	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3886EF

Deuteranopia (green-blind)

#0178E9

Tritanopia (blue-blind)

#0093A6

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4e78eb;
/* rgb */ color: rgb(78, 120, 235);
/* oklch */ color: oklch(60.3% 0.180 266.1);

Tailwind

colors: {
  custom: {
    50: '#909ef2',
    500: '#4e78eb',
    950: '#000000',
  },
}

SCSS

$custom: #4e78eb;
$custom-light: #909ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78eb",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 223.949,
    "s": 79.695,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60279,
    "c": 0.17967,
    "h": 266.1
  },
  "luminance": 0.21051
}

Semantic roles & 50–950 ramp

primary

#4E78EB

secondary

#E8D8AD

accent

#A409DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4E78EB

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

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