#427DAE#427DAE

#427DAE is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.098 H 245.7°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#427DAE
RGB	rgb(66, 125, 174)
HSL	hsl(207, 45%, 47%)
HSV	hsv(207, 62%, 68%)
CMYK	cmyk(62.1%, 28.2%, 0%, 31.8%)
CIE-LAB	lab(50.55, -3.93, -31.74)
CIE-LCH	lch(50.55, 31.98, 262.95°)
OKLab	oklab(57.15% -0.0403 -0.0893)
OKLCH	oklch(57.15% 0.098 245.7)
XYZ	xyz(17.2175, 18.8798, 42.7730)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DAE #AE7342

analogous

#42AEA9 #427DAE #4247AE

triadic

#427DAE #AE427D #7DAE42

tetradic

#427DAE #A942AE #AE7342 #47AE42

square

#427DAE #A942AE #AE7342 #47AE42

split-complementary

#427DAE #AE4247 #AEA942

monochromatic

#203D55 #315D82 #427DAE #689BC6 #94B8D6

Accessibility & contrast

On white

4.40

#427DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#427DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DAE

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DAE	#FFFFFF	#000000	##000000
##427DAE	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EB0

Deuteranopia (green-blind)

#5974AD

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427dae;
/* rgb */ color: rgb(66, 125, 174);
/* oklch */ color: oklch(57.2% 0.098 245.7);

Tailwind

colors: {
  custom: {
    50: '#80a2c6',
    500: '#427dae',
    950: '#000000',
  },
}

SCSS

$custom: #427dae;
$custom-light: #80a2c6;
$custom-dark: #000000;

JSON

{
  "hex": "#427dae",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 174
  },
  "hsl": {
    "h": 207.222,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57151,
    "c": 0.09801,
    "h": 245.7
  },
  "luminance": 0.18881
}

Semantic roles & 50–950 ramp

primary

#427DAE

secondary

#C2A38A

accent

#8E53D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #427DAE

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

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