#427CE2#427CE2

#427CE2 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.0% C 0.167 H 260.8°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#427CE2
RGB	rgb(66, 124, 226)
HSL	hsl(218, 73%, 57%)
HSV	hsv(218, 71%, 89%)
CMYK	cmyk(70.8%, 45.1%, 0%, 11.4%)
CIE-LAB	lab(53.02, 14.89, -57.46)
CIE-LCH	lch(53.02, 59.36, 284.52°)
OKLab	oklab(59.97% -0.0267 -0.1646)
OKLCH	oklch(59.97% 0.167 260.8)
XYZ	xyz(23.1770, 21.0621, 74.7807)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CE2 #E2A842

analogous

#42CCE2 #427CE2 #5842E2

triadic

#427CE2 #E2427C #7CE242

tetradic

#427CE2 #E242CC #E2A842 #42E258

square

#427CE2 #E242CC #E2A842 #42E258

split-complementary

#427CE2 #E25842 #CCE242

monochromatic

#174493 #1F5CC8 #427CE2 #77A1EA #ACC6F2

Accessibility & contrast

On white

4.03

#427CE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#427CE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CE2

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CE2	#FFFFFF	#000000	##000000
##427CE2	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4886E6

Deuteranopia (green-blind)

#2778E0

Tritanopia (blue-blind)

#0094A4

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #427ce2;
/* rgb */ color: rgb(66, 124, 226);
/* oklch */ color: oklch(60.0% 0.167 260.8);

Tailwind

colors: {
  custom: {
    50: '#89a1ec',
    500: '#427ce2',
    950: '#000000',
  },
}

SCSS

$custom: #427ce2;
$custom-light: #89a1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#427ce2",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 226
  },
  "hsl": {
    "h": 218.25,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59974,
    "c": 0.16674,
    "h": 260.8
  },
  "luminance": 0.21065
}

Semantic roles & 50–950 ramp

primary

#427CE2

secondary

#E0C99F

accent

#AD38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #427CE2

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

Preview Lab → · Contrast checker → · Palette generator →