#427DA8#427DA8

#427DA8 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.091 H 242.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#427DA8
RGB	rgb(66, 125, 168)
HSL	hsl(205, 44%, 46%)
HSV	hsv(205, 61%, 66%)
CMYK	cmyk(60.7%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(50.28, -5.93, -28.68)
CIE-LCH	lch(50.28, 29.29, 258.31°)
OKLab	oklab(56.85% -0.0422 -0.0805)
OKLCH	oklch(56.85% 0.091 242.3)
XYZ	xyz(16.6456, 18.6511, 39.7610)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DA8 #A86D42

analogous

#42A8A0 #427DA8 #424AA8

triadic

#427DA8 #A8427D #7DA842

tetradic

#427DA8 #A042A8 #A86D42 #4AA842

square

#427DA8 #A042A8 #A86D42 #4AA842

split-complementary

#427DA8 #A8424A #A8A042

monochromatic

#1F3C50 #315C7C #427DA8 #659BC2 #91B7D4

Accessibility & contrast

On white

4.44

#427DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#427DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DA8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DA8	#FFFFFF	#000000	##000000
##427DA8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DAA

Deuteranopia (green-blind)

#5C73A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427da8;
/* rgb */ color: rgb(66, 125, 168);
/* oklch */ color: oklch(56.8% 0.091 242.3);

Tailwind

colors: {
  custom: {
    50: '#7fa2c2',
    500: '#427da8',
    950: '#000000',
  },
}

SCSS

$custom: #427da8;
$custom-light: #7fa2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#427da8",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 205.294,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56849,
    "c": 0.09092,
    "h": 242.3
  },
  "luminance": 0.18653
}

Semantic roles & 50–950 ramp

primary

#427DA8

secondary

#BF9E87

accent

#8A54D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #427DA8

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

Preview Lab → · Contrast checker → · Palette generator →