#427DC5#427DC5

#427DC5 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.4% C 0.127 H 254.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#427DC5
RGB	rgb(66, 125, 197)
HSL	hsl(213, 53%, 52%)
HSV	hsv(213, 66%, 77%)
CMYK	cmyk(66.5%, 36.5%, 0%, 22.7%)
CIE-LAB	lab(51.67, 3.98, -43.19)
CIE-LCH	lch(51.67, 43.37, 275.27°)
OKLab	oklab(58.4% -0.0337 -0.1227)
OKLCH	oklch(58.4% 0.127 254.6)
XYZ	xyz(19.6548, 19.8547, 55.6090)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DC5 #C58A42

analogous

#42BFC5 #427DC5 #4942C5

triadic

#427DC5 #C5427D #7DC542

tetradic

#427DC5 #C542BF #C58A42 #42C549

square

#427DC5 #C542BF #C58A42 #42C549

split-complementary

#427DC5 #C54942 #BFC542

monochromatic

#21436C #2F609A #427DC5 #719DD3 #A0BDE2

Accessibility & contrast

On white

4.22

#427DC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#427DC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DC5

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DC5	#FFFFFF	#000000	##000000
##427DC5	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82C8

Deuteranopia (green-blind)

#4A76C4

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427dc5;
/* rgb */ color: rgb(66, 125, 197);
/* oklch */ color: oklch(58.4% 0.127 254.6);

Tailwind

colors: {
  custom: {
    50: '#84a2d7',
    500: '#427dc5',
    950: '#000000',
  },
}

SCSS

$custom: #427dc5;
$custom-light: #84a2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#427dc5",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 197
  },
  "hsl": {
    "h": 212.977,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58404,
    "c": 0.12723,
    "h": 254.6
  },
  "luminance": 0.19857
}

Semantic roles & 50–950 ramp

primary

#427DC5

secondary

#CEB495

accent

#9B4BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427DC5

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

Preview Lab → · Contrast checker → · Palette generator →