#427EC0#427EC0

#427EC0 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.120 H 252.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#427EC0
RGB	rgb(66, 126, 192)
HSL	hsl(211, 50%, 51%)
HSV	hsv(211, 66%, 75%)
CMYK	cmyk(65.6%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(51.71, 1.64, -40.28)
CIE-LCH	lch(51.71, 40.31, 272.33°)
OKLab	oklab(58.35% -0.036 -0.1142)
OKLCH	oklch(58.35% 0.12 252.5)
XYZ	xyz(19.2186, 19.8838, 52.6841)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EC0 #C08442

analogous

#42BDC0 #427EC0 #4542C0

triadic

#427EC0 #C0427E #7EC042

tetradic

#427EC0 #C042BD #C08442 #42C045

square

#427EC0 #C042BD #C08442 #42C045

split-complementary

#427EC0 #C04542 #BDC042

monochromatic

#224266 #316094 #427EC0 #709DCF #9EBDDF

Accessibility & contrast

On white

4.22

#427EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#427EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EC0

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EC0	#FFFFFF	#000000	##000000
##427EC0	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C3

Deuteranopia (green-blind)

#5076BF

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427ec0;
/* rgb */ color: rgb(66, 126, 192);
/* oklch */ color: oklch(58.3% 0.120 252.5);

Tailwind

colors: {
  custom: {
    50: '#83a3d3',
    500: '#427ec0',
    950: '#000000',
  },
}

SCSS

$custom: #427ec0;
$custom-light: #83a3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#427ec0",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 211.429,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58346,
    "c": 0.11972,
    "h": 252.5
  },
  "luminance": 0.19886
}

Semantic roles & 50–950 ramp

primary

#427EC0

secondary

#CBB093

accent

#974EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427EC0

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

Preview Lab → · Contrast checker → · Palette generator →