#4272CC#4272CC

#4272CC is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.149 H 261.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4272CC
RGB	rgb(66, 114, 204)
HSL	hsl(219, 58%, 53%)
HSV	hsv(219, 68%, 80%)
CMYK	cmyk(67.6%, 44.1%, 0%, 20%)
CIE-LAB	lab(48.95, 13.23, -51.53)
CIE-LCH	lch(48.95, 53.20, 284.40°)
OKLab	oklab(56.42% -0.0215 -0.1473)
OKLCH	oklch(56.42% 0.149 261.7)
XYZ	xyz(19.1593, 17.5506, 59.4929)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272CC #CC9C42

analogous

#42B7CC #4272CC #5742CC

triadic

#4272CC #CC4272 #72CC42

tetradic

#4272CC #CC42B7 #CC9C42 #42CC57

square

#4272CC #CC42B7 #CC9C42 #42CC57

split-complementary

#4272CC #CC5742 #B7CC42

monochromatic

#1F3D74 #2C56A4 #4272CC #7296D9 #A2BAE6

Accessibility & contrast

On white

4.66

#4272CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4272CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4272CC

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272CC	#FFFFFF	#000000	##FFFFFF
##4272CC	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCF

Deuteranopia (green-blind)

#2E6ECA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4272cc;
/* rgb */ color: rgb(66, 114, 204);
/* oklch */ color: oklch(56.4% 0.149 261.7);

Tailwind

colors: {
  custom: {
    50: '#859adc',
    500: '#4272cc',
    950: '#000000',
  },
}

SCSS

$custom: #4272cc;
$custom-light: #859adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4272cc",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 219.13,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56416,
    "c": 0.14886,
    "h": 261.7
  },
  "luminance": 0.17553
}

Semantic roles & 50–950 ramp

primary

#4272CC

secondary

#D3BE97

accent

#AB47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4272CC

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

Preview Lab → · Contrast checker → · Palette generator →