#425DB4#425DB4

#425DB4 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.141 H 268.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#425DB4
RGB	rgb(66, 93, 180)
HSL	hsl(226, 46%, 48%)
HSV	hsv(226, 63%, 71%)
CMYK	cmyk(63.3%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(41.66, 18.00, -49.32)
CIE-LCH	lch(41.66, 52.50, 290.05°)
OKLab	oklab(50.36% -0.0047 -0.1411)
OKLCH	oklch(50.36% 0.141 268.1)
XYZ	xyz(14.3965, 12.2810, 44.7830)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DB4 #B49942

analogous

#4296B4 #425DB4 #6042B4

triadic

#425DB4 #B4425D #5DB442

tetradic

#425DB4 #B44296 #B49942 #42B460

square

#425DB4 #B44296 #B49942 #42B460

split-complementary

#425DB4 #B46042 #96B442

monochromatic

#212F5A #324687 #425DB4 #6B81C9 #97A7D9

Accessibility & contrast

On white

6.08

#425DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#425DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DB4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DB4	#FFFFFF	#000000	##FFFFFF
##425DB4	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B7

Deuteranopia (green-blind)

#1A5DB2

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425db4;
/* rgb */ color: rgb(66, 93, 180);
/* oklch */ color: oklch(50.4% 0.141 268.1);

Tailwind

colors: {
  custom: {
    50: '#818acb',
    500: '#425db4',
    950: '#000000',
  },
}

SCSS

$custom: #425db4;
$custom-light: #818acb;
$custom-dark: #000000;

JSON

{
  "hex": "#425db4",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 225.789,
    "s": 46.341,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50357,
    "c": 0.1412,
    "h": 268.1
  },
  "luminance": 0.12282
}

Semantic roles & 50–950 ramp

primary

#425DB4

secondary

#C5B88D

accent

#B752D6

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425DB4

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

Preview Lab → · Contrast checker → · Palette generator →