#427C8F#427C8F

#427C8F is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.067 H 221.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#427C8F
RGB	rgb(66, 124, 143)
HSL	hsl(195, 37%, 41%)
HSV	hsv(195, 54%, 56%)
CMYK	cmyk(53.8%, 13.3%, 0%, 43.9%)
CIE-LAB	lab(48.95, -13.35, -16.11)
CIE-LCH	lch(48.95, 20.93, 230.35°)
OKLab	oklab(55.46% -0.0504 -0.0446)
OKLCH	oklch(55.46% 0.067 221.5)
XYZ	xyz(14.4105, 17.5555, 28.6104)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427C8F #8F5542

analogous

#428F7B #427C8F #42558F

triadic

#427C8F #8F427C #7C8F42

tetradic

#427C8F #7B428F #8F5542 #558F42

square

#427C8F #7B428F #8F5542 #558F42

split-complementary

#427C8F #8F4255 #8F7B42

monochromatic

#1B333B #2F5865 #427C8F #5B9DB3 #85B6C7

Accessibility & contrast

On white

4.65

#427C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#427C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #427C8F

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427C8F	#FFFFFF	#000000	##FFFFFF
##427C8F	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717990

Deuteranopia (green-blind)

#65718F

Tritanopia (blue-blind)

#0C8282

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #427c8f;
/* rgb */ color: rgb(66, 124, 143);
/* oklch */ color: oklch(55.5% 0.067 221.5);

Tailwind

colors: {
  custom: {
    50: '#7ca2af',
    500: '#427c8f',
    950: '#000000',
  },
}

SCSS

$custom: #427c8f;
$custom-light: #7ca2af;
$custom-dark: #000000;

JSON

{
  "hex": "#427c8f",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 194.805,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.5546,
    "c": 0.06735,
    "h": 221.5
  },
  "luminance": 0.17557
}

Semantic roles & 50–950 ramp

primary

#427C8F

secondary

#B1897B

accent

#775BCD

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #427C8F

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

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