#427AAB#427AAB

#427AAB is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.097 H 246.9°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#427AAB
RGB	rgb(66, 122, 171)
HSL	hsl(208, 44%, 46%)
HSV	hsv(208, 61%, 67%)
CMYK	cmyk(61.4%, 28.7%, 0%, 32.9%)
CIE-LAB	lab(49.52, -3.17, -31.61)
CIE-LCH	lch(49.52, 31.77, 264.28°)
OKLab	oklab(56.29% -0.0379 -0.089)
OKLCH	oklch(56.29% 0.097 246.9)
XYZ	xyz(16.5543, 18.0160, 41.1252)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AAB #AB7342

analogous

#42ABA8 #427AAB #4246AB

triadic

#427AAB #AB427A #7AAB42

tetradic

#427AAB #A842AB #AB7342 #46AB42

square

#427AAB #A842AB #AB7342 #46AB42

split-complementary

#427AAB #AB4246 #ABA842

monochromatic

#203B53 #315A7F #427AAB #6698C4 #92B6D5

Accessibility & contrast

On white

4.56

#427AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#427AAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AAB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AAB	#FFFFFF	#000000	##000000
##427AAB	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAD

Deuteranopia (green-blind)

#5771AA

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #427aab;
/* rgb */ color: rgb(66, 122, 171);
/* oklch */ color: oklch(56.3% 0.097 246.9);

Tailwind

colors: {
  custom: {
    50: '#80a0c4',
    500: '#427aab',
    950: '#000000',
  },
}

SCSS

$custom: #427aab;
$custom-light: #80a0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#427aab",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 171
  },
  "hsl": {
    "h": 208,
    "s": 44.304,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56293,
    "c": 0.09673,
    "h": 246.9
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#427AAB

secondary

#C0A388

accent

#9054D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #427AAB

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

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