#4272CA#4272CA

#4272CA is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.146 H 261.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4272CA
RGB	rgb(66, 114, 202)
HSL	hsl(219, 56%, 53%)
HSV	hsv(219, 67%, 79%)
CMYK	cmyk(67.3%, 43.6%, 0%, 20.8%)
CIE-LAB	lab(48.83, 12.51, -50.57)
CIE-LCH	lch(48.83, 52.10, 283.90°)
OKLab	oklab(56.29% -0.0218 -0.1445)
OKLCH	oklch(56.29% 0.146 261.4)
XYZ	xyz(18.9210, 17.4553, 58.2377)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272CA #CA9A42

analogous

#42B6CA #4272CA #5642CA

triadic

#4272CA #CA4272 #72CA42

tetradic

#4272CA #CA42B6 #CA9A42 #42CA56

square

#4272CA #CA42B6 #CA9A42 #42CA56

split-complementary

#4272CA #CA5642 #B6CA42

monochromatic

#203D72 #2D56A2 #4272CA #7296D7 #A2B9E5

Accessibility & contrast

On white

4.68

#4272CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4272CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4272CA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272CA	#FFFFFF	#000000	##FFFFFF
##4272CA	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487BCD

Deuteranopia (green-blind)

#316EC8

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4272ca;
/* rgb */ color: rgb(66, 114, 202);
/* oklch */ color: oklch(56.3% 0.146 261.4);

Tailwind

colors: {
  custom: {
    50: '#859adb',
    500: '#4272ca',
    950: '#000000',
  },
}

SCSS

$custom: #4272ca;
$custom-light: #859adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4272ca",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 202
  },
  "hsl": {
    "h": 218.824,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56287,
    "c": 0.14613,
    "h": 261.4
  },
  "luminance": 0.17457
}

Semantic roles & 50–950 ramp

primary

#4272CA

secondary

#D1BD96

accent

#AA48DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4272CA

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

Preview Lab → · Contrast checker → · Palette generator →