#427EEA#427EEA

#427EEA is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.175 H 261.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#427EEA
RGB	rgb(66, 126, 234)
HSL	hsl(219, 80%, 59%)
HSV	hsv(219, 72%, 92%)
CMYK	cmyk(71.8%, 46.2%, 0%, 8.2%)
CIE-LAB	lab(54.05, 16.52, -60.29)
CIE-LCH	lch(54.05, 62.51, 285.32°)
OKLab	oklab(60.92% -0.0272 -0.1729)
OKLCH	oklch(60.92% 0.175 261.1)
XYZ	xyz(24.5536, 22.0178, 80.7818)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EEA #EAAE42

analogous

#42D2EA #427EEA #5A42EA

triadic

#427EEA #EA427E #7EEA42

tetradic

#427EEA #EA42D2 #EAAE42 #42EA5A

square

#427EEA #EA42D2 #EAAE42 #42EA5A

split-complementary

#427EEA #EA5A42 #D2EA42

monochromatic

#1245A0 #185CD7 #427EEA #79A4F0 #B0C9F6

Accessibility & contrast

On white

3.89

#427EEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#427EEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EEA

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EEA	#FFFFFF	#000000	##000000
##427EEA	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4589EE

Deuteranopia (green-blind)

#1D7AE8

Tritanopia (blue-blind)

#0097A9

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #427eea;
/* rgb */ color: rgb(66, 126, 234);
/* oklch */ color: oklch(60.9% 0.175 261.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#427eea",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 234
  },
  "hsl": {
    "h": 218.571,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6092,
    "c": 0.17498,
    "h": 261.1
  },
  "luminance": 0.2202
}

Semantic roles & 50–950 ramp

primary

#427EEA

secondary

#E5CDA3

accent

#B031F6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0F17

muted

#7E7E85

Preview Lab

Preview with #427EEA

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

Preview Lab → · Contrast checker → · Palette generator →