#4F78EE#4F78EE

#4F78EE is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.5% C 0.183 H 266.5°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4F78EE
RGB	rgb(79, 120, 238)
HSL	hsl(225, 82%, 62%)
HSV	hsv(225, 67%, 93%)
CMYK	cmyk(66.8%, 49.6%, 0%, 6.7%)
CIE-LAB	lab(53.24, 23.48, -63.79)
CIE-LCH	lch(53.24, 67.97, 290.21°)
OKLab	oklab(60.53% -0.0111 -0.183)
OKLCH	oklch(60.53% 0.183 266.5)
XYZ	xyz(25.3682, 21.2658, 83.6401)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78EE #EEC54F

analogous

#4FC8EE #4F78EE #754FEE

triadic

#4F78EE #EE4F78 #78EE4F

tetradic

#4F78EE #EE4FC8 #EEC54F #4FEE75

square

#4F78EE #EE4FC8 #EEC54F #4FEE75

split-complementary

#4F78EE #EE754F #C8EE4F

monochromatic

#113AB1 #174DE9 #4F78EE #87A3F3 #BFCEF9

Accessibility & contrast

On white

4.00

#4F78EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#4F78EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78EE

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78EE	#FFFFFF	#000000	##000000
##4F78EE	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3487F2

Deuteranopia (green-blind)

#0078EC

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4f78ee;
/* rgb */ color: rgb(79, 120, 238);
/* oklch */ color: oklch(60.5% 0.183 266.5);

Tailwind

colors: {
  custom: {
    50: '#919ef4',
    500: '#4f78ee',
    950: '#000000',
  },
}

SCSS

$custom: #4f78ee;
$custom-light: #919ef4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78ee",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 238
  },
  "hsl": {
    "h": 224.528,
    "s": 82.383,
    "l": 62.157
  },
  "oklch": {
    "l": 0.60532,
    "c": 0.18337,
    "h": 266.5
  },
  "luminance": 0.21268
}

Semantic roles & 50–950 ramp

primary

#4F78EE

secondary

#EADBAF

accent

#A707DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4F78EE

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

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