#427CAC#427CAC

#427CAC is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.096 H 245.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#427CAC
RGB	rgb(66, 124, 172)
HSL	hsl(207, 45%, 47%)
HSV	hsv(207, 62%, 67%)
CMYK	cmyk(61.6%, 27.9%, 0%, 32.5%)
CIE-LAB	lab(50.16, -4.01, -31.19)
CIE-LCH	lch(50.16, 31.45, 262.67°)
OKLab	oklab(56.81% -0.0398 -0.0878)
OKLCH	oklch(56.81% 0.096 245.6)
XYZ	xyz(16.8981, 18.5505, 41.7118)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CAC #AC7242

analogous

#42ACA7 #427CAC #4247AC

triadic

#427CAC #AC427C #7CAC42

tetradic

#427CAC #A742AC #AC7242 #47AC42

square

#427CAC #A742AC #AC7242 #47AC42

split-complementary

#427CAC #AC4247 #ACA742

monochromatic

#203C54 #315C80 #427CAC #679AC5 #93B7D6

Accessibility & contrast

On white

4.46

#427CAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#427CAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CAC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CAC	#FFFFFF	#000000	##000000
##427CAC	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677DAE

Deuteranopia (green-blind)

#5973AB

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427cac;
/* rgb */ color: rgb(66, 124, 172);
/* oklch */ color: oklch(56.8% 0.096 245.6);

Tailwind

colors: {
  custom: {
    50: '#80a1c5',
    500: '#427cac',
    950: '#000000',
  },
}

SCSS

$custom: #427cac;
$custom-light: #80a1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#427cac",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 172
  },
  "hsl": {
    "h": 207.17,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56814,
    "c": 0.09637,
    "h": 245.6
  },
  "luminance": 0.18552
}

Semantic roles & 50–950 ramp

primary

#427CAC

secondary

#C1A289

accent

#8E54D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #427CAC

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

Preview Lab → · Contrast checker → · Palette generator →