#4272C7#4272C7

#4272C7 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.142 H 260.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4272C7
RGB	rgb(66, 114, 199)
HSL	hsl(218, 54%, 52%)
HSV	hsv(218, 67%, 78%)
CMYK	cmyk(66.8%, 42.7%, 0%, 22%)
CIE-LAB	lab(48.65, 11.45, -49.13)
CIE-LCH	lch(48.65, 50.45, 283.11°)
OKLab	oklab(56.1% -0.0224 -0.1403)
OKLCH	oklch(56.1% 0.142 260.9)
XYZ	xyz(18.5692, 17.3146, 56.3852)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272C7 #C79742

analogous

#42B5C7 #4272C7 #5542C7

triadic

#4272C7 #C74272 #72C742

tetradic

#4272C7 #C742B5 #C79742 #42C755

square

#4272C7 #C742B5 #C79742 #42C755

split-complementary

#4272C7 #C75542 #B5C742

monochromatic

#213D6E #2F579D #4272C7 #7195D5 #A0B8E3

Accessibility & contrast

On white

4.71

#4272C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4272C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4272C7

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272C7	#FFFFFF	#000000	##FFFFFF
##4272C7	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7ACA

Deuteranopia (green-blind)

#346EC5

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4272c7;
/* rgb */ color: rgb(66, 114, 199);
/* oklch */ color: oklch(56.1% 0.142 260.9);

Tailwind

colors: {
  custom: {
    50: '#849ad8',
    500: '#4272c7',
    950: '#000000',
  },
}

SCSS

$custom: #4272c7;
$custom-light: #849ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4272c7",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 199
  },
  "hsl": {
    "h": 218.346,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56096,
    "c": 0.14203,
    "h": 260.9
  },
  "luminance": 0.17316
}

Semantic roles & 50–950 ramp

primary

#4272C7

secondary

#D0BA95

accent

#A84ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4272C7

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

Preview Lab → · Contrast checker → · Palette generator →