#427EA2#427EA2

#427EA2 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.084 H 237.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#427EA2
RGB	rgb(66, 126, 162)
HSL	hsl(203, 42%, 45%)
HSV	hsv(203, 59%, 64%)
CMYK	cmyk(59.3%, 22.2%, 0%, 36.5%)
CIE-LAB	lab(50.32, -8.48, -25.13)
CIE-LCH	lch(50.32, 26.52, 251.35°)
OKLab	oklab(56.8% -0.0455 -0.0703)
OKLCH	oklch(56.8% 0.084 237.1)
XYZ	xyz(16.2268, 18.6871, 36.9272)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EA2 #A26642

analogous

#42A296 #427EA2 #424EA2

triadic

#427EA2 #A2427E #7EA242

tetradic

#427EA2 #9642A2 #A26642 #4EA242

square

#427EA2 #9642A2 #A26642 #4EA242

split-complementary

#427EA2 #A2424E #A29642

monochromatic

#1F3A4B #305C77 #427EA2 #629CBF #8EB8D1

Accessibility & contrast

On white

4.43

#427EA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#427EA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EA2

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EA2	#FFFFFF	#000000	##000000
##427EA2	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)

#6D7DA4

Deuteranopia (green-blind)

#6073A1

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427ea2;
/* rgb */ color: rgb(66, 126, 162);
/* oklch */ color: oklch(56.8% 0.084 237.1);

Tailwind

colors: {
  custom: {
    50: '#7fa3bd',
    500: '#427ea2',
    950: '#000000',
  },
}

SCSS

$custom: #427ea2;
$custom-light: #7fa3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#427ea2",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 162
  },
  "hsl": {
    "h": 202.5,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56798,
    "c": 0.08372,
    "h": 237.1
  },
  "luminance": 0.18689
}

Semantic roles & 50–950 ramp

primary

#427EA2

secondary

#BC9984

accent

#8456D2

background

#F8FAFB

surface

#EFF3F6

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427EA2

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

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