#427EC7#427EC7

#427EC7 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.129 H 254.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#427EC7
RGB	rgb(66, 126, 199)
HSL	hsl(213, 54%, 52%)
HSV	hsv(213, 67%, 78%)
CMYK	cmyk(66.8%, 36.7%, 0%, 22%)
CIE-LAB	lab(52.06, 4.08, -43.71)
CIE-LCH	lch(52.06, 43.90, 275.33°)
OKLab	oklab(58.74% -0.0342 -0.1242)
OKLCH	oklch(58.74% 0.129 254.6)
XYZ	xyz(20.0127, 20.2015, 56.8663)
Luminance	0.2020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EC7 #C78B42

analogous

#42C1C7 #427EC7 #4842C7

triadic

#427EC7 #C7427E #7EC742

tetradic

#427EC7 #C742C1 #C78B42 #42C748

square

#427EC7 #C742C1 #C78B42 #42C748

split-complementary

#427EC7 #C74842 #C1C742

monochromatic

#21446E #2F609D #427EC7 #719ED5 #A0BEE3

Accessibility & contrast

On white

4.17

#427EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#427EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EC7

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EC7	#FFFFFF	#000000	##000000
##427EC7	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CA

Deuteranopia (green-blind)

#4A76C6

Tritanopia (blue-blind)

#008F99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427ec7;
/* rgb */ color: rgb(66, 126, 199);
/* oklch */ color: oklch(58.7% 0.129 254.6);

Tailwind

colors: {
  custom: {
    50: '#84a3d8',
    500: '#427ec7',
    950: '#000000',
  },
}

SCSS

$custom: #427ec7;
$custom-light: #84a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#427ec7",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 199
  },
  "hsl": {
    "h": 212.932,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58744,
    "c": 0.12882,
    "h": 254.6
  },
  "luminance": 0.20203
}

Semantic roles & 50–950 ramp

primary

#427EC7

secondary

#D0B595

accent

#9B4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427EC7

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

Preview Lab → · Contrast checker → · Palette generator →