#427D8D#427D8D

#427D8D is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.066 H 217.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#427D8D
RGB	rgb(66, 125, 141)
HSL	hsl(193, 36%, 41%)
HSV	hsv(193, 53%, 55%)
CMYK	cmyk(53.2%, 11.3%, 0%, 44.7%)
CIE-LAB	lab(49.19, -14.52, -14.58)
CIE-LCH	lch(49.19, 20.58, 225.12°)
OKLab	oklab(55.62% -0.0525 -0.0403)
OKLCH	oklch(55.62% 0.066 217.6)
XYZ	xyz(14.3863, 17.7473, 27.8616)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427D8D #8D5242

analogous

#428D77 #427D8D #42578D

triadic

#427D8D #8D427D #7D8D42

tetradic

#427D8D #77428D #8D5242 #578D42

square

#427D8D #77428D #8D5242 #578D42

split-complementary

#427D8D #8D4257 #8D7742

monochromatic

#1B333A #2E5863 #427D8D #5A9FB2 #84B7C5

Accessibility & contrast

On white

4.62

#427D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#427D8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #427D8D

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427D8D	#FFFFFF	#000000	##FFFFFF
##427D8D	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727A8E

Deuteranopia (green-blind)

#67718D

Tritanopia (blue-blind)

#108382

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #427d8d;
/* rgb */ color: rgb(66, 125, 141);
/* oklch */ color: oklch(55.6% 0.066 217.6);

Tailwind

colors: {
  custom: {
    50: '#7ca2ae',
    500: '#427d8d',
    950: '#000000',
  },
}

SCSS

$custom: #427d8d;
$custom-light: #7ca2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#427d8d",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 141
  },
  "hsl": {
    "h": 192.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55624,
    "c": 0.06618,
    "h": 217.6
  },
  "luminance": 0.17749
}

Semantic roles & 50–950 ramp

primary

#427D8D

secondary

#B0867B

accent

#745CCC

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #427D8D

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

Preview Lab → · Contrast checker → · Palette generator →