#4E78F2#4E78F2

#4E78F2 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.8% C 0.189 H 266.5°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#4E78F2
RGB	rgb(78, 120, 242)
HSL	hsl(225, 86%, 63%)
HSV	hsv(225, 68%, 95%)
CMYK	cmyk(67.8%, 50.4%, 0%, 5.1%)
CIE-LAB	lab(53.45, 24.72, -65.68)
CIE-LCH	lch(53.45, 70.18, 290.62°)
OKLab	oklab(60.76% -0.0116 -0.1886)
OKLCH	oklch(60.76% 0.189 266.5)
XYZ	xyz(25.8798, 21.4609, 86.7657)
Luminance	0.2146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78F2 #F2C84E

analogous

#4ECAF2 #4E78F2 #764EF2

triadic

#4E78F2 #F24E78 #78F24E

tetradic

#4E78F2 #F24ECA #F2C84E #4EF276

square

#4E78F2 #F24ECA #F2C84E #4EF276

split-complementary

#4E78F2 #F2764E #CAF24E

monochromatic

#0E39B8 #154DEE #4E78F2 #87A3F6 #C0CFFA

Accessibility & contrast

On white

3.97

#4E78F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#4E78F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78F2

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78F2	#FFFFFF	#000000	##000000
##4E78F2	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E88F6

Deuteranopia (green-blind)

#0079F0

Tritanopia (blue-blind)

#0095AA

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4e78f2;
/* rgb */ color: rgb(78, 120, 242);
/* oklch */ color: oklch(60.8% 0.189 266.5);

Tailwind

colors: {
  custom: {
    50: '#919ef7',
    500: '#4e78f2',
    950: '#000000',
  },
}

SCSS

$custom: #4e78f2;
$custom-light: #919ef7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78f2",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 242
  },
  "hsl": {
    "h": 224.634,
    "s": 86.316,
    "l": 62.745
  },
  "oklch": {
    "l": 0.60762,
    "c": 0.18896,
    "h": 266.5
  },
  "luminance": 0.21463
}

Semantic roles & 50–950 ramp

primary

#4E78F2

secondary

#ECDCB0

accent

#A903E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4E78F2

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

Preview Lab → · Contrast checker → · Palette generator →