#427EC3#427EC3

#427EC3 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.124 H 253.4°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#427EC3
RGB	rgb(66, 126, 195)
HSL	hsl(212, 52%, 51%)
HSV	hsv(212, 66%, 76%)
CMYK	cmyk(66.2%, 35.4%, 0%, 23.5%)
CIE-LAB	lab(51.86, 2.68, -41.75)
CIE-LCH	lch(51.86, 41.84, 273.67°)
OKLab	oklab(58.51% -0.0352 -0.1185)
OKLCH	oklch(58.51% 0.124 253.4)
XYZ	xyz(19.5543, 20.0181, 54.4525)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EC3 #C38742

analogous

#42BEC3 #427EC3 #4642C3

triadic

#427EC3 #C3427E #7EC342

tetradic

#427EC3 #C342BE #C38742 #42C346

square

#427EC3 #C342BE #C38742 #42C346

split-complementary

#427EC3 #C34642 #BEC342

monochromatic

#214369 #306098 #427EC3 #709ED2 #9FBDE0

Accessibility & contrast

On white

4.20

#427EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#427EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EC3

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EC3	#FFFFFF	#000000	##000000
##427EC3	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6082C6

Deuteranopia (green-blind)

#4D76C2

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427ec3;
/* rgb */ color: rgb(66, 126, 195);
/* oklch */ color: oklch(58.5% 0.124 253.4);

Tailwind

colors: {
  custom: {
    50: '#83a3d5',
    500: '#427ec3',
    950: '#000000',
  },
}

SCSS

$custom: #427ec3;
$custom-light: #83a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#427ec3",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 195
  },
  "hsl": {
    "h": 212.093,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58515,
    "c": 0.1236,
    "h": 253.4
  },
  "luminance": 0.2002
}

Semantic roles & 50–950 ramp

primary

#427EC3

secondary

#CDB294

accent

#994DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427EC3

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

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