#425FB4#425FB4

#425FB4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.139 H 267.2°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#425FB4
RGB	rgb(66, 95, 180)
HSL	hsl(225, 46%, 48%)
HSV	hsv(225, 63%, 71%)
CMYK	cmyk(63.3%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(42.21, 16.71, -48.44)
CIE-LCH	lch(42.21, 51.24, 289.04°)
OKLab	oklab(50.78% -0.0068 -0.1385)
OKLCH	oklch(50.78% 0.139 267.2)
XYZ	xyz(14.5744, 12.6367, 44.8422)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FB4 #B49742

analogous

#4298B4 #425FB4 #5E42B4

triadic

#425FB4 #B4425F #5FB442

tetradic

#425FB4 #B44298 #B49742 #42B45E

square

#425FB4 #B44298 #B49742 #42B45E

split-complementary

#425FB4 #B45E42 #98B442

monochromatic

#21305A #324787 #425FB4 #6B83C9 #97A8D9

Accessibility & contrast

On white

5.95

#425FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#425FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FB4

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FB4	#FFFFFF	#000000	##FFFFFF
##425FB4	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B7

Deuteranopia (green-blind)

#205FB2

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425fb4;
/* rgb */ color: rgb(66, 95, 180);
/* oklch */ color: oklch(50.8% 0.139 267.2);

Tailwind

colors: {
  custom: {
    50: '#818ccb',
    500: '#425fb4',
    950: '#000000',
  },
}

SCSS

$custom: #425fb4;
$custom-light: #818ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#425fb4",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 224.737,
    "s": 46.341,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50778,
    "c": 0.13866,
    "h": 267.2
  },
  "luminance": 0.12638
}

Semantic roles & 50–950 ramp

primary

#425FB4

secondary

#C5B78D

accent

#B452D6

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #425FB4

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

Preview Lab → · Contrast checker → · Palette generator →