#427CCD#427CCD

#427CCD is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.7% C 0.139 H 257.2°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#427CCD
RGB	rgb(66, 124, 205)
HSL	hsl(215, 58%, 53%)
HSV	hsv(215, 68%, 80%)
CMYK	cmyk(67.8%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(51.81, 7.41, -47.52)
CIE-LCH	lch(51.81, 48.10, 278.86°)
OKLab	oklab(58.65% -0.0308 -0.1354)
OKLCH	oklch(58.65% 0.139 257.2)
XYZ	xyz(20.4699, 19.9792, 60.5234)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CCD #CD9342

analogous

#42C1CD #427CCD #4D42CD

triadic

#427CCD #CD427C #7CCD42

tetradic

#427CCD #CD42C1 #CD9342 #42CD4D

square

#427CCD #CD42C1 #CD9342 #42CD4D

split-complementary

#427CCD #CD4D42 #C1CD42

monochromatic

#1F4376 #2C5FA6 #427CCD #729EDA #A3BFE7

Accessibility & contrast

On white

4.20

#427CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#427CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CCD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CCD	#FFFFFF	#000000	##000000
##427CCD	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5783D0

Deuteranopia (green-blind)

#4276CB

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427ccd;
/* rgb */ color: rgb(66, 124, 205);
/* oklch */ color: oklch(58.7% 0.139 257.2);

Tailwind

colors: {
  custom: {
    50: '#85a1dd',
    500: '#427ccd',
    950: '#000000',
  },
}

SCSS

$custom: #427ccd;
$custom-light: #85a1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#427ccd",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 214.964,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58653,
    "c": 0.13885,
    "h": 257.2
  },
  "luminance": 0.19981
}

Semantic roles & 50–950 ramp

primary

#427CCD

secondary

#D3BA97

accent

#A146E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427CCD

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

Preview Lab → · Contrast checker → · Palette generator →