#427CC2#427CC2

#427CC2 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.124 H 254.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#427CC2
RGB	rgb(66, 124, 194)
HSL	hsl(213, 51%, 51%)
HSV	hsv(213, 66%, 76%)
CMYK	cmyk(66%, 36.1%, 0%, 23.9%)
CIE-LAB	lab(51.23, 3.54, -42.18)
CIE-LCH	lch(51.23, 42.33, 274.79°)
OKLab	oklab(58.01% -0.0335 -0.1197)
OKLCH	oklch(58.01% 0.124 254.4)
XYZ	xyz(19.1885, 19.4667, 53.7747)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CC2 #C28842

analogous

#42BCC2 #427CC2 #4842C2

triadic

#427CC2 #C2427C #7CC242

tetradic

#427CC2 #C242BC #C28842 #42C248

square

#427CC2 #C242BC #C28842 #42C248

split-complementary

#427CC2 #C24842 #BCC242

monochromatic

#224168 #315F96 #427CC2 #709CD1 #9FBCE0

Accessibility & contrast

On white

4.29

#427CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#427CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CC2

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CC2	#FFFFFF	#000000	##000000
##427CC2	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D81C5

Deuteranopia (green-blind)

#4B75C1

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427cc2;
/* rgb */ color: rgb(66, 124, 194);
/* oklch */ color: oklch(58.0% 0.124 254.4);

Tailwind

colors: {
  custom: {
    50: '#83a1d5',
    500: '#427cc2',
    950: '#000000',
  },
}

SCSS

$custom: #427cc2;
$custom-light: #83a1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#427cc2",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 194
  },
  "hsl": {
    "h": 212.813,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58007,
    "c": 0.12432,
    "h": 254.4
  },
  "luminance": 0.19469
}

Semantic roles & 50–950 ramp

primary

#427CC2

secondary

#CCB394

accent

#9B4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427CC2

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

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