#427DAD#427DAD

#427DAD is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.097 H 245.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#427DAD
RGB	rgb(66, 125, 173)
HSL	hsl(207, 45%, 47%)
HSV	hsv(207, 62%, 68%)
CMYK	cmyk(61.8%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(50.50, -4.26, -31.23)
CIE-LCH	lch(50.50, 31.52, 262.23°)
OKLab	oklab(57.1% -0.0406 -0.0879)
OKLCH	oklch(57.1% 0.097 245.2)
XYZ	xyz(17.1204, 18.8410, 42.2615)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DAD #AD7242

analogous

#42ADA8 #427DAD #4248AD

triadic

#427DAD #AD427D #7DAD42

tetradic

#427DAD #A842AD #AD7242 #48AD42

square

#427DAD #A842AD #AD7242 #48AD42

split-complementary

#427DAD #AD4248 #ADA842

monochromatic

#203D54 #315D81 #427DAD #679BC5 #93B8D6

Accessibility & contrast

On white

4.40

#427DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#427DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DAD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DAD	#FFFFFF	#000000	##000000
##427DAD	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAF

Deuteranopia (green-blind)

#5A73AC

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427dad;
/* rgb */ color: rgb(66, 125, 173);
/* oklch */ color: oklch(57.1% 0.097 245.2);

Tailwind

colors: {
  custom: {
    50: '#80a2c5',
    500: '#427dad',
    950: '#000000',
  },
}

SCSS

$custom: #427dad;
$custom-light: #80a2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#427dad",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 206.916,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.571,
    "c": 0.0968,
    "h": 245.2
  },
  "luminance": 0.18843
}

Semantic roles & 50–950 ramp

primary

#427DAD

secondary

#C1A389

accent

#8D53D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #427DAD

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

Preview Lab → · Contrast checker → · Palette generator →