#427DAA#427DAA

#427DAA is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.093 H 243.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#427DAA
RGB	rgb(66, 125, 170)
HSL	hsl(206, 44%, 46%)
HSV	hsv(206, 61%, 67%)
CMYK	cmyk(61.2%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(50.37, -5.27, -29.71)
CIE-LCH	lch(50.37, 30.17, 259.94°)
OKLab	oklab(56.95% -0.0416 -0.0835)
OKLCH	oklch(56.95% 0.093 243.5)
XYZ	xyz(16.8334, 18.7262, 40.7498)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DAA #AA6F42

analogous

#42AAA3 #427DAA #4249AA

triadic

#427DAA #AA427D #7DAA42

tetradic

#427DAA #A342AA #AA6F42 #49AA42

square

#427DAA #A342AA #AA6F42 #49AA42

split-complementary

#427DAA #AA4249 #AAA342

monochromatic

#203C52 #315D7E #427DAA #669BC3 #92B8D5

Accessibility & contrast

On white

4.43

#427DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#427DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DAA

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DAA	#FFFFFF	#000000	##000000
##427DAA	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697EAC

Deuteranopia (green-blind)

#5B73A9

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427daa;
/* rgb */ color: rgb(66, 125, 170);
/* oklch */ color: oklch(56.9% 0.093 243.5);

Tailwind

colors: {
  custom: {
    50: '#80a2c3',
    500: '#427daa',
    950: '#000000',
  },
}

SCSS

$custom: #427daa;
$custom-light: #80a2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#427daa",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 205.962,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56949,
    "c": 0.09324,
    "h": 243.5
  },
  "luminance": 0.18728
}

Semantic roles & 50–950 ramp

primary

#427DAA

secondary

#C0A088

accent

#8B54D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #427DAA

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

Preview Lab → · Contrast checker → · Palette generator →