#427AAD#427AAD

#427AAD is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.099 H 247.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#427AAD
RGB	rgb(66, 122, 173)
HSL	hsl(209, 45%, 47%)
HSV	hsv(209, 62%, 68%)
CMYK	cmyk(61.8%, 29.5%, 0%, 32.2%)
CIE-LAB	lab(49.61, -2.49, -32.63)
CIE-LCH	lch(49.61, 32.72, 265.64°)
OKLab	oklab(56.4% -0.0373 -0.0919)
OKLCH	oklch(56.4% 0.099 247.9)
XYZ	xyz(16.7464, 18.0929, 42.1368)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AAD #AD7542

analogous

#42ADAB #427AAD #4245AD

triadic

#427AAD #AD427A #7AAD42

tetradic

#427AAD #AB42AD #AD7542 #45AD42

square

#427AAD #AB42AD #AD7542 #45AD42

split-complementary

#427AAD #AD4245 #ADAB42

monochromatic

#203C54 #315B81 #427AAD #6798C5 #93B6D6

Accessibility & contrast

On white

4.55

#427AAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#427AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AAD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AAD	#FFFFFF	#000000	##000000
##427AAD	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)

#647CAF

Deuteranopia (green-blind)

#5671AC

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #427aad;
/* rgb */ color: rgb(66, 122, 173);
/* oklch */ color: oklch(56.4% 0.099 247.9);

Tailwind

colors: {
  custom: {
    50: '#80a0c5',
    500: '#427aad',
    950: '#000000',
  },
}

SCSS

$custom: #427aad;
$custom-light: #80a0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#427aad",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 173
  },
  "hsl": {
    "h": 208.598,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.09921,
    "h": 247.9
  },
  "luminance": 0.18094
}

Semantic roles & 50–950 ramp

primary

#427AAD

secondary

#C1A489

accent

#9153D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #427AAD

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

Preview Lab → · Contrast checker → · Palette generator →