#427ACA#427ACA

#427ACA is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.0% C 0.137 H 257.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#427ACA
RGB	rgb(66, 122, 202)
HSL	hsl(215, 56%, 53%)
HSV	hsv(215, 67%, 79%)
CMYK	cmyk(67.3%, 39.6%, 0%, 20.8%)
CIE-LAB	lab(51.08, 7.57, -46.98)
CIE-LCH	lch(51.08, 47.59, 279.15°)
OKLab	oklab(58.03% -0.0295 -0.1338)
OKLCH	oklch(58.03% 0.137 257.5)
XYZ	xyz(19.8631, 19.3396, 58.5518)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ACA #CA9242

analogous

#42BECA #427ACA #4E42CA

triadic

#427ACA #CA427A #7ACA42

tetradic

#427ACA #CA42BE #CA9242 #42CA4E

square

#427ACA #CA42BE #CA9242 #42CA4E

split-complementary

#427ACA #CA4E42 #BECA42

monochromatic

#204272 #2D5DA2 #427ACA #729CD7 #A2BDE5

Accessibility & contrast

On white

4.31

#427ACA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#427ACA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ACA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ACA	#FFFFFF	#000000	##000000
##427ACA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CD

Deuteranopia (green-blind)

#4174C8

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427aca;
/* rgb */ color: rgb(66, 122, 202);
/* oklch */ color: oklch(58.0% 0.137 257.5);

Tailwind

colors: {
  custom: {
    50: '#85a0da',
    500: '#427aca',
    950: '#000000',
  },
}

SCSS

$custom: #427aca;
$custom-light: #85a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#427aca",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 202
  },
  "hsl": {
    "h": 215.294,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58031,
    "c": 0.13704,
    "h": 257.5
  },
  "luminance": 0.19342
}

Semantic roles & 50–950 ramp

primary

#427ACA

secondary

#D1B996

accent

#A148DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427ACA

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

Preview Lab → · Contrast checker → · Palette generator →