#4F72CC#4F72CC

#4F72CC is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.1% C 0.144 H 266.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4F72CC
RGB	rgb(79, 114, 204)
HSL	hsl(223, 55%, 55%)
HSV	hsv(223, 61%, 80%)
CMYK	cmyk(61.3%, 44.1%, 0%, 20%)
CIE-LAB	lab(49.56, 15.48, -50.51)
CIE-LCH	lch(49.56, 52.83, 287.04°)
OKLab	oklab(57.06% -0.0101 -0.1441)
OKLCH	oklch(57.06% 0.144 266)
XYZ	xyz(20.1371, 18.0548, 59.5388)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F72CC #CCA94F

analogous

#4FB0CC #4F72CC #6A4FCC

triadic

#4F72CC #CC4F72 #72CC4F

tetradic

#4F72CC #CC4FB0 #CCA94F #4FCC6A

square

#4F72CC #CC4FB0 #CCA94F #4FCC6A

split-complementary

#4F72CC #CC6A4F #B0CC4F

monochromatic

#243D7D #3254AC #4F72CC #7E98DA #AEBEE7

Accessibility & contrast

On white

4.55

#4F72CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4F72CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F72CC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F72CC	#FFFFFF	#000000	##000000
##4F72CC	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CCF

Deuteranopia (green-blind)

#3571CA

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4f72cc;
/* rgb */ color: rgb(79, 114, 204);
/* oklch */ color: oklch(57.1% 0.144 266.0);

Tailwind

colors: {
  custom: {
    50: '#8b9adc',
    500: '#4f72cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f72cc;
$custom-light: #8b9adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f72cc",
  "rgb": {
    "r": 79,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 223.2,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57057,
    "c": 0.14441,
    "h": 266
  },
  "luminance": 0.18057
}

Semantic roles & 50–950 ramp

primary

#4F72CC

secondary

#D5C7A1

accent

#B549DE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F72CC

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

Preview Lab → · Contrast checker → · Palette generator →