#427DCC#427DCC

#427DCC is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.8% C 0.136 H 256.4°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#427DCC
RGB	rgb(66, 125, 204)
HSL	hsl(214, 58%, 53%)
HSV	hsv(214, 68%, 80%)
CMYK	cmyk(67.6%, 38.7%, 0%, 20%)
CIE-LAB	lab(52.04, 6.44, -46.59)
CIE-LCH	lch(52.04, 47.03, 277.87°)
OKLab	oklab(58.81% -0.032 -0.1326)
OKLCH	oklch(58.81% 0.136 256.4)
XYZ	xyz(20.4755, 20.1830, 59.9317)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DCC #CC9142

analogous

#42C2CC #427DCC #4C42CC

triadic

#427DCC #CC427D #7DCC42

tetradic

#427DCC #CC42C2 #CC9142 #42CC4C

square

#427DCC #CC42C2 #CC9142 #42CC4C

split-complementary

#427DCC #CC4C42 #C2CC42

monochromatic

#1F4474 #2C60A4 #427DCC #729ED9 #A2BFE6

Accessibility & contrast

On white

4.17

#427DCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#427DCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DCC

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

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

#5983CF

Deuteranopia (green-blind)

#4576CA

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427dcc;
/* rgb */ color: rgb(66, 125, 204);
/* oklch */ color: oklch(58.8% 0.136 256.4);

Tailwind

colors: {
  custom: {
    50: '#85a2dc',
    500: '#427dcc',
    950: '#000000',
  },
}

SCSS

$custom: #427dcc;
$custom-light: #85a2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#427dcc",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 204
  },
  "hsl": {
    "h": 214.348,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58814,
    "c": 0.13645,
    "h": 256.4
  },
  "luminance": 0.20185
}

Semantic roles & 50–950 ramp

primary

#427DCC

secondary

#D3B997

accent

#9F47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427DCC

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

Preview Lab → · Contrast checker → · Palette generator →