#427ABC#427ABC

#427ABC is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.118 H 253.8°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#427ABC
RGB	rgb(66, 122, 188)
HSL	hsl(212, 48%, 50%)
HSV	hsv(212, 65%, 74%)
CMYK	cmyk(64.9%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(50.34, 2.66, -40.14)
CIE-LCH	lch(50.34, 40.23, 273.79°)
OKLab	oklab(57.21% -0.033 -0.1138)
OKLCH	oklch(57.21% 0.118 253.8)
XYZ	xyz(18.2801, 18.7064, 50.2145)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ABC #BC8442

analogous

#42B7BC #427ABC #4742BC

triadic

#427ABC #BC427A #7ABC42

tetradic

#427ABC #BC42B7 #BC8442 #42BC47

square

#427ABC #BC42B7 #BC8442 #42BC47

split-complementary

#427ABC #BC4742 #B7BC42

monochromatic

#223F61 #325D8F #427ABC #6F9ACC #9CBADC

Accessibility & contrast

On white

4.43

#427ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#427ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ABC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ABC	#FFFFFF	#000000	##000000
##427ABC	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EBF

Deuteranopia (green-blind)

#4C73BB

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427abc;
/* rgb */ color: rgb(66, 122, 188);
/* oklch */ color: oklch(57.2% 0.118 253.8);

Tailwind

colors: {
  custom: {
    50: '#82a0d0',
    500: '#427abc',
    950: '#000000',
  },
}

SCSS

$custom: #427abc;
$custom-light: #82a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#427abc",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 212.459,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57213,
    "c": 0.11848,
    "h": 253.8
  },
  "luminance": 0.18708
}

Semantic roles & 50–950 ramp

primary

#427ABC

secondary

#C9AF91

accent

#9950D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #427ABC

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

Preview Lab → · Contrast checker → · Palette generator →