#4F78E7#4F78E7

#4F78E7 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 60.1% C 0.174 H 266.1°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4F78E7
RGB	rgb(79, 120, 231)
HSL	hsl(224, 76%, 61%)
HSV	hsv(224, 66%, 91%)
CMYK	cmyk(65.8%, 48.1%, 0%, 9.4%)
CIE-LAB	lab(52.80, 21.05, -60.59)
CIE-LCH	lch(52.80, 64.14, 289.16°)
OKLab	oklab(60.06% -0.0119 -0.1736)
OKLCH	oklch(60.06% 0.174 266.1)
XYZ	xyz(24.3597, 20.8624, 78.3289)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78E7 #E7BE4F

analogous

#4FC4E7 #4F78E7 #724FE7

triadic

#4F78E7 #E74F78 #78E74F

tetradic

#4F78E7 #E74FC4 #E7BE4F #4FE772

square

#4F78E7 #E74FC4 #E7BE4F #4FE772

split-complementary

#4F78E7 #E7724F #C4E74F

monochromatic

#173DA5 #1E51DB #4F78E7 #85A1EE #BBCBF6

Accessibility & contrast

On white

4.06

#4F78E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#4F78E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78E7

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78E7	#FFFFFF	#000000	##000000
##4F78E7	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C85EB

Deuteranopia (green-blind)

#1677E5

Tritanopia (blue-blind)

#0092A4

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4f78e7;
/* rgb */ color: rgb(79, 120, 231);
/* oklch */ color: oklch(60.1% 0.174 266.1);

Tailwind

colors: {
  custom: {
    50: '#8f9eef',
    500: '#4f78e7',
    950: '#000000',
  },
}

SCSS

$custom: #4f78e7;
$custom-light: #8f9eef;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78e7",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 231
  },
  "hsl": {
    "h": 223.816,
    "s": 76,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60056,
    "c": 0.17402,
    "h": 266.1
  },
  "luminance": 0.20865
}

Semantic roles & 50–950 ramp

primary

#4F78E7

secondary

#E6D6AC

accent

#A10DD8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4F78E7

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

Preview Lab → · Contrast checker → · Palette generator →