#427BC2#427BC2

#427BC2 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.8% C 0.125 H 255.0°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#427BC2
RGB	rgb(66, 123, 194)
HSL	hsl(213, 51%, 51%)
HSV	hsv(213, 66%, 76%)
CMYK	cmyk(66%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(50.94, 4.14, -42.63)
CIE-LCH	lch(50.94, 42.83, 275.55°)
OKLab	oklab(57.78% -0.0324 -0.1211)
OKLCH	oklch(57.78% 0.125 255)
XYZ	xyz(19.0638, 19.2173, 53.7331)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BC2 #C28942

analogous

#42BBC2 #427BC2 #4942C2

triadic

#427BC2 #C2427B #7BC242

tetradic

#427BC2 #C242BB #C28942 #42C249

square

#427BC2 #C242BB #C28942 #42C249

split-complementary

#427BC2 #C24942 #BBC242

monochromatic

#224168 #315E96 #427BC2 #709BD1 #9FBCE0

Accessibility & contrast

On white

4.34

#427BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#427BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BC2

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BC2	#FFFFFF	#000000	##000000
##427BC2	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C80C5

Deuteranopia (green-blind)

#4974C1

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427bc2;
/* rgb */ color: rgb(66, 123, 194);
/* oklch */ color: oklch(57.8% 0.125 255.0);

Tailwind

colors: {
  custom: {
    50: '#83a0d5',
    500: '#427bc2',
    950: '#000000',
  },
}

SCSS

$custom: #427bc2;
$custom-light: #83a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#427bc2",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 213.281,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57782,
    "c": 0.12535,
    "h": 255
  },
  "luminance": 0.19219
}

Semantic roles & 50–950 ramp

primary

#427BC2

secondary

#CCB394

accent

#9C4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427BC2

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

Preview Lab → · Contrast checker → · Palette generator →