#427DCD#427DCD

#427DCD is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.9% C 0.138 H 256.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#427DCD
RGB	rgb(66, 125, 205)
HSL	hsl(215, 58%, 53%)
HSV	hsv(215, 68%, 80%)
CMYK	cmyk(67.8%, 39%, 0%, 19.6%)
CIE-LAB	lab(52.10, 6.80, -47.07)
CIE-LCH	lch(52.10, 47.56, 278.21°)
OKLab	oklab(58.87% -0.0318 -0.134)
OKLCH	oklch(58.87% 0.138 256.7)
XYZ	xyz(20.5958, 20.2312, 60.5654)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DCD #CD9242

analogous

#42C3CD #427DCD #4C42CD

triadic

#427DCD #CD427D #7DCD42

tetradic

#427DCD #CD42C3 #CD9242 #42CD4C

square

#427DCD #CD42C3 #CD9242 #42CD4C

split-complementary

#427DCD #CD4C42 #C3CD42

monochromatic

#1F4476 #2C60A6 #427DCD #729EDA #A3C0E7

Accessibility & contrast

On white

4.16

#427DCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#427DCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DCD

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DCD	#FFFFFF	#000000	##000000
##427DCD	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5983D0

Deuteranopia (green-blind)

#4476CB

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427dcd;
/* rgb */ color: rgb(66, 125, 205);
/* oklch */ color: oklch(58.9% 0.138 256.7);

Tailwind

colors: {
  custom: {
    50: '#85a2dd',
    500: '#427dcd',
    950: '#000000',
  },
}

SCSS

$custom: #427dcd;
$custom-light: #85a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#427dcd",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 205
  },
  "hsl": {
    "h": 214.532,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58874,
    "c": 0.13777,
    "h": 256.7
  },
  "luminance": 0.20233
}

Semantic roles & 50–950 ramp

primary

#427DCD

secondary

#D3BA97

accent

#A046E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427DCD

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

Preview Lab → · Contrast checker → · Palette generator →