#427C8D#427C8D

#427C8D is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.066 H 219.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#427C8D
RGB	rgb(66, 124, 141)
HSL	hsl(194, 36%, 41%)
HSV	hsv(194, 53%, 55%)
CMYK	cmyk(53.2%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(48.88, -13.96, -15.05)
CIE-LCH	lch(48.88, 20.53, 227.15°)
OKLab	oklab(55.38% -0.0512 -0.0417)
OKLCH	oklch(55.38% 0.066 219.1)
XYZ	xyz(14.2603, 17.4954, 27.8196)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427C8D #8D5342

analogous

#428D78 #427C8D #42568D

triadic

#427C8D #8D427C #7C8D42

tetradic

#427C8D #78428D #8D5342 #568D42

square

#427C8D #78428D #8D5342 #568D42

split-complementary

#427C8D #8D4256 #8D7842

monochromatic

#1B333A #2E5763 #427C8D #5A9EB2 #84B7C5

Accessibility & contrast

On white

4.67

#427C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#427C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #427C8D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427C8D	#FFFFFF	#000000	##FFFFFF
##427C8D	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798E

Deuteranopia (green-blind)

#66708D

Tritanopia (blue-blind)

#108281

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #427c8d;
/* rgb */ color: rgb(66, 124, 141);
/* oklch */ color: oklch(55.4% 0.066 219.1);

Tailwind

colors: {
  custom: {
    50: '#7ca2ae',
    500: '#427c8d',
    950: '#000000',
  },
}

SCSS

$custom: #427c8d;
$custom-light: #7ca2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#427c8d",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 193.6,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55377,
    "c": 0.06605,
    "h": 219.1
  },
  "luminance": 0.17497
}

Semantic roles & 50–950 ramp

primary

#427C8D

secondary

#B0877B

accent

#755CCC

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #427C8D

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

Preview Lab → · Contrast checker → · Palette generator →