#427DEA#427DEA

#427DEA is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.176 H 261.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#427DEA
RGB	rgb(66, 125, 234)
HSL	hsl(219, 80%, 59%)
HSV	hsv(219, 72%, 92%)
CMYK	cmyk(71.8%, 46.6%, 0%, 8.2%)
CIE-LAB	lab(53.78, 17.14, -60.72)
CIE-LCH	lch(53.78, 63.09, 285.76°)
OKLab	oklab(60.71% -0.0263 -0.1742)
OKLCH	oklch(60.71% 0.176 261.4)
XYZ	xyz(24.4263, 21.7634, 80.7394)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DEA #EAAF42

analogous

#42D1EA #427DEA #5B42EA

triadic

#427DEA #EA427D #7DEA42

tetradic

#427DEA #EA42D1 #EAAF42 #42EA5B

square

#427DEA #EA42D1 #EAAF42 #42EA5B

split-complementary

#427DEA #EA5B42 #D1EA42

monochromatic

#1244A0 #185BD7 #427DEA #79A3F0 #B0C9F6

Accessibility & contrast

On white

3.92

#427DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#427DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DEA

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DEA	#FFFFFF	#000000	##000000
##427DEA	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4389EE

Deuteranopia (green-blind)

#1879E8

Tritanopia (blue-blind)

#0097A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #427dea;
/* rgb */ color: rgb(66, 125, 234);
/* oklch */ color: oklch(60.7% 0.176 261.4);

Tailwind

colors: {
  custom: {
    50: '#8aa2f1',
    500: '#427dea',
    950: '#000000',
  },
}

SCSS

$custom: #427dea;
$custom-light: #8aa2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#427dea",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 234
  },
  "hsl": {
    "h": 218.929,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60712,
    "c": 0.17614,
    "h": 261.4
  },
  "luminance": 0.21766
}

Semantic roles & 50–950 ramp

primary

#427DEA

secondary

#E5CEA3

accent

#B131F6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #427DEA

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

Preview Lab → · Contrast checker → · Palette generator →