#427ACD#427ACD

#427ACD is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.2% C 0.141 H 258.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#427ACD
RGB	rgb(66, 122, 205)
HSL	hsl(216, 58%, 53%)
HSV	hsv(216, 68%, 80%)
CMYK	cmyk(67.8%, 40.5%, 0%, 19.6%)
CIE-LAB	lab(51.25, 8.63, -48.42)
CIE-LCH	lch(51.25, 49.19, 280.11°)
OKLab	oklab(58.21% -0.0289 -0.1381)
OKLCH	oklch(58.21% 0.141 258.2)
XYZ	xyz(20.2218, 19.4830, 60.4407)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ACD #CD9542

analogous

#42C0CD #427ACD #4F42CD

triadic

#427ACD #CD427A #7ACD42

tetradic

#427ACD #CD42C0 #CD9542 #42CD4F

square

#427ACD #CD42C0 #CD9542 #42CD4F

split-complementary

#427ACD #CD4F42 #C0CD42

monochromatic

#1F4276 #2C5DA6 #427ACD #729CDA #A3BEE7

Accessibility & contrast

On white

4.29

#427ACD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#427ACD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ACD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ACD	#FFFFFF	#000000	##000000
##427ACD	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5481D0

Deuteranopia (green-blind)

#3E74CB

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427acd;
/* rgb */ color: rgb(66, 122, 205);
/* oklch */ color: oklch(58.2% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#85a0dd',
    500: '#427acd',
    950: '#000000',
  },
}

SCSS

$custom: #427acd;
$custom-light: #85a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#427acd",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 205
  },
  "hsl": {
    "h": 215.827,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58214,
    "c": 0.14105,
    "h": 258.2
  },
  "luminance": 0.19485
}

Semantic roles & 50–950 ramp

primary

#427ACD

secondary

#D3BB97

accent

#A346E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427ACD

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

Preview Lab → · Contrast checker → · Palette generator →