#427FC1#427FC1

#427FC1 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.6% C 0.120 H 252.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#427FC1
RGB	rgb(66, 127, 193)
HSL	hsl(211, 51%, 51%)
HSV	hsv(211, 66%, 76%)
CMYK	cmyk(65.8%, 34.2%, 0%, 24.3%)
CIE-LAB	lab(52.05, 1.38, -40.31)
CIE-LCH	lch(52.05, 40.34, 271.96°)
OKLab	oklab(58.63% -0.0368 -0.1143)
OKLCH	oklch(58.63% 0.12 252.2)
XYZ	xyz(19.4582, 20.1853, 53.3124)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FC1 #C18442

analogous

#42BFC1 #427FC1 #4442C1

triadic

#427FC1 #C1427F #7FC142

tetradic

#427FC1 #C142BF #C18442 #42C144

square

#427FC1 #C142BF #C18442 #42C144

split-complementary

#427FC1 #C14442 #BFC142

monochromatic

#224367 #316195 #427FC1 #709ED0 #9EBDDF

Accessibility & contrast

On white

4.17

#427FC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#427FC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FC1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FC1	#FFFFFF	#000000	##000000
##427FC1	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)

#6283C4

Deuteranopia (green-blind)

#5077C0

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427fc1;
/* rgb */ color: rgb(66, 127, 193);
/* oklch */ color: oklch(58.6% 0.120 252.2);

Tailwind

colors: {
  custom: {
    50: '#83a3d4',
    500: '#427fc1',
    950: '#000000',
  },
}

SCSS

$custom: #427fc1;
$custom-light: #83a3d4;
$custom-dark: #000000;

JSON

{
  "hex": "#427fc1",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 193
  },
  "hsl": {
    "h": 211.181,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58629,
    "c": 0.12004,
    "h": 252.2
  },
  "luminance": 0.20187
}

Semantic roles & 50–950 ramp

primary

#427FC1

secondary

#CCB193

accent

#974EDA

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #427FC1

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

Preview Lab → · Contrast checker → · Palette generator →