#4F73EF#4F73EF

#4F73EF is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.6% C 0.191 H 268.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F73EF
RGB	rgb(79, 115, 239)
HSL	hsl(227, 83%, 62%)
HSV	hsv(227, 67%, 94%)
CMYK	cmyk(66.9%, 51.9%, 0%, 6.3%)
CIE-LAB	lab(52.01, 26.91, -66.33)
CIE-LCH	lch(52.01, 71.58, 292.08°)
OKLab	oklab(59.62% -0.0067 -0.1906)
OKLCH	oklch(59.62% 0.191 268)
XYZ	xyz(24.9298, 20.1533, 84.2208)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73EF #EFCB4F

analogous

#4FC3EF #4F73EF #7B4FEF

triadic

#4F73EF #EF4F73 #73EF4F

tetradic

#4F73EF #EF4FC3 #EFCB4F #4FEF7B

square

#4F73EF #EF4FC3 #EFCB4F #4FEF7B

split-complementary

#4F73EF #EF7B4F #C3EF4F

monochromatic

#1035B3 #1746EA #4F73EF #87A0F4 #BFCCF9

Accessibility & contrast

On white

4.17

#4F73EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4F73EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F73EF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73EF	#FFFFFF	#000000	##000000
##4F73EF	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2184F3

Deuteranopia (green-blind)

#0075EC

Tritanopia (blue-blind)

#0090A6

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4f73ef;
/* rgb */ color: rgb(79, 115, 239);
/* oklch */ color: oklch(59.6% 0.191 268.0);

Tailwind

colors: {
  custom: {
    50: '#919af5',
    500: '#4f73ef',
    950: '#000000',
  },
}

SCSS

$custom: #4f73ef;
$custom-light: #919af5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73ef",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 239
  },
  "hsl": {
    "h": 226.5,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.59621,
    "c": 0.1907,
    "h": 268
  },
  "luminance": 0.20156
}

Semantic roles & 50–950 ramp

primary

#4F73EF

secondary

#EADDB0

accent

#AF06E0

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4F73EF

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

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