#4272D8#4272D8

#4272D8 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.165 H 263.2°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4272D8
RGB	rgb(66, 114, 216)
HSL	hsl(221, 66%, 55%)
HSV	hsv(221, 69%, 85%)
CMYK	cmyk(69.4%, 47.2%, 0%, 15.3%)
CIE-LAB	lab(49.68, 17.52, -57.19)
CIE-LCH	lch(49.68, 59.81, 287.03°)
OKLab	oklab(57.21% -0.0195 -0.1639)
OKLCH	oklch(57.21% 0.165 263.2)
XYZ	xyz(20.6544, 18.1486, 67.3670)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272D8 #D8A842

analogous

#42BDD8 #4272D8 #5D42D8

triadic

#4272D8 #D84272 #72D842

tetradic

#4272D8 #D842BD #D8A842 #42D85D

square

#4272D8 #D842BD #D8A842 #42D85D

split-complementary

#4272D8 #D85D42 #BDD842

monochromatic

#1B3D84 #2654B7 #4272D8 #7598E2 #A7BEED

Accessibility & contrast

On white

4.54

#4272D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4272D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4272D8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272D8	#FFFFFF	#000000	##000000
##4272D8	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7DDC

Deuteranopia (green-blind)

#1670D6

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4272d8;
/* rgb */ color: rgb(66, 114, 216);
/* oklch */ color: oklch(57.2% 0.165 263.2);

Tailwind

colors: {
  custom: {
    50: '#879ae5',
    500: '#4272d8',
    950: '#000000',
  },
}

SCSS

$custom: #4272d8;
$custom-light: #879ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#4272d8",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 216
  },
  "hsl": {
    "h": 220.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57211,
    "c": 0.1651,
    "h": 263.2
  },
  "luminance": 0.18151
}

Semantic roles & 50–950 ramp

primary

#4272D8

secondary

#DAC69C

accent

#B23FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4272D8

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

Preview Lab → · Contrast checker → · Palette generator →