#427CBA#427CBA

#427CBA is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.114 H 251.8°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#427CBA
RGB	rgb(66, 124, 186)
HSL	hsl(211, 48%, 49%)
HSV	hsv(211, 65%, 73%)
CMYK	cmyk(64.5%, 33.3%, 0%, 27.1%)
CIE-LAB	lab(50.82, 0.76, -38.23)
CIE-LCH	lch(50.82, 38.24, 271.14°)
OKLab	oklab(57.56% -0.0356 -0.1082)
OKLCH	oklch(57.56% 0.114 251.8)
XYZ	xyz(18.3141, 19.1169, 49.1696)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CBA #BA8042

analogous

#42B8BA #427CBA #4442BA

triadic

#427CBA #BA427C #7CBA42

tetradic

#427CBA #BA42B8 #BA8042 #42BA44

square

#427CBA #BA42B8 #BA8042 #42BA44

split-complementary

#427CBA #BA4442 #B8BA42

monochromatic

#224060 #325E8D #427CBA #6E9BCB #9BBADB

Accessibility & contrast

On white

4.35

#427CBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#427CBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CBA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CBA	#FFFFFF	#000000	##000000
##427CBA	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617FBD

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427cba;
/* rgb */ color: rgb(66, 124, 186);
/* oklch */ color: oklch(57.6% 0.114 251.8);

Tailwind

colors: {
  custom: {
    50: '#82a1cf',
    500: '#427cba',
    950: '#000000',
  },
}

SCSS

$custom: #427cba;
$custom-light: #82a1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#427cba",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 186
  },
  "hsl": {
    "h": 211,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57557,
    "c": 0.11391,
    "h": 251.8
  },
  "luminance": 0.19119
}

Semantic roles & 50–950 ramp

primary

#427CBA

secondary

#C8AD90

accent

#9651D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #427CBA

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

Preview Lab → · Contrast checker → · Palette generator →