#4272D7#4272D7

#4272D7 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.1% C 0.164 H 263.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4272D7
RGB	rgb(66, 114, 215)
HSL	hsl(221, 65%, 55%)
HSV	hsv(221, 69%, 84%)
CMYK	cmyk(69.3%, 47%, 0%, 15.7%)
CIE-LAB	lab(49.61, 17.16, -56.72)
CIE-LCH	lch(49.61, 59.26, 286.83°)
OKLab	oklab(57.14% -0.0197 -0.1626)
OKLCH	oklch(57.14% 0.164 263.1)
XYZ	xyz(20.5255, 18.0971, 66.6882)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272D7 #D7A742

analogous

#42BDD7 #4272D7 #5C42D7

triadic

#4272D7 #D74272 #72D742

tetradic

#4272D7 #D742BD #D7A742 #42D75C

square

#4272D7 #D742BD #D7A742 #42D75C

split-complementary

#4272D7 #D75C42 #BDD742

monochromatic

#1C3D83 #2654B5 #4272D7 #7598E2 #A7BDEC

Accessibility & contrast

On white

4.55

#4272D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4272D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4272D7

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272D7	#FFFFFF	#000000	##000000
##4272D7	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7DDB

Deuteranopia (green-blind)

#1970D5

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4272d7;
/* rgb */ color: rgb(66, 114, 215);
/* oklch */ color: oklch(57.1% 0.164 263.1);

Tailwind

colors: {
  custom: {
    50: '#879ae4',
    500: '#4272d7',
    950: '#000000',
  },
}

SCSS

$custom: #4272d7;
$custom-light: #879ae4;
$custom-dark: #000000;

JSON

{
  "hex": "#4272d7",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 215
  },
  "hsl": {
    "h": 220.671,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57144,
    "c": 0.16375,
    "h": 263.1
  },
  "luminance": 0.18099
}

Semantic roles & 50–950 ramp

primary

#4272D7

secondary

#DAC69B

accent

#B240E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4272D7

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

Preview Lab → · Contrast checker → · Palette generator →