#427FC7#427FC7

#427FC7 is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.128 H 254.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#427FC7
RGB	rgb(66, 127, 199)
HSL	hsl(212, 54%, 52%)
HSV	hsv(212, 67%, 78%)
CMYK	cmyk(66.8%, 36.2%, 0%, 22%)
CIE-LAB	lab(52.35, 3.47, -43.26)
CIE-LCH	lch(52.35, 43.39, 274.59°)
OKLab	oklab(58.97% -0.0352 -0.1228)
OKLCH	oklch(58.97% 0.128 254)
XYZ	xyz(20.1412, 20.4585, 56.9092)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FC7 #C78A42

analogous

#42C2C7 #427FC7 #4842C7

triadic

#427FC7 #C7427F #7FC742

tetradic

#427FC7 #C742C2 #C78A42 #42C748

square

#427FC7 #C742C2 #C78A42 #42C748

split-complementary

#427FC7 #C74842 #C2C742

monochromatic

#21446E #2F619D #427FC7 #719FD5 #A0BFE3

Accessibility & contrast

On white

4.12

#427FC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#427FC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FC7

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FC7	#FFFFFF	#000000	##000000
##427FC7	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F84CA

Deuteranopia (green-blind)

#4C77C6

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427fc7;
/* rgb */ color: rgb(66, 127, 199);
/* oklch */ color: oklch(59.0% 0.128 254.0);

Tailwind

colors: {
  custom: {
    50: '#84a3d8',
    500: '#427fc7',
    950: '#000000',
  },
}

SCSS

$custom: #427fc7;
$custom-light: #84a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#427fc7",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 199
  },
  "hsl": {
    "h": 212.481,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58968,
    "c": 0.1278,
    "h": 254
  },
  "luminance": 0.20461
}

Semantic roles & 50–950 ramp

primary

#427FC7

secondary

#D0B595

accent

#9A4ADE

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #427FC7

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

Preview Lab → · Contrast checker → · Palette generator →