#425EB2#425EB2

#425EB2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.137 H 267.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#425EB2
RGB	rgb(66, 94, 178)
HSL	hsl(225, 46%, 48%)
HSV	hsv(225, 63%, 70%)
CMYK	cmyk(62.9%, 47.2%, 0%, 30.2%)
CIE-LAB	lab(41.81, 16.65, -47.91)
CIE-LCH	lch(41.81, 50.72, 289.16°)
OKLab	oklab(50.43% -0.006 -0.1369)
OKLCH	oklch(50.43% 0.137 267.5)
XYZ	xyz(14.2826, 12.3768, 43.7471)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EB2 #B29642

analogous

#4296B2 #425EB2 #5E42B2

triadic

#425EB2 #B2425E #5EB242

tetradic

#425EB2 #B24296 #B29642 #42B25E

square

#425EB2 #B24296 #B29642 #42B25E

split-complementary

#425EB2 #B25E42 #96B242

monochromatic

#212F59 #314685 #425EB2 #6A81C8 #96A7D8

Accessibility & contrast

On white

6.04

#425EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#425EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EB2

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EB2	#FFFFFF	#000000	##FFFFFF
##425EB2	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B5

Deuteranopia (green-blind)

#215EB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425eb2;
/* rgb */ color: rgb(66, 94, 178);
/* oklch */ color: oklch(50.4% 0.137 267.5);

Tailwind

colors: {
  custom: {
    50: '#818bc9',
    500: '#425eb2',
    950: '#000000',
  },
}

SCSS

$custom: #425eb2;
$custom-light: #818bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#425eb2",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 178
  },
  "hsl": {
    "h": 225,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50431,
    "c": 0.13708,
    "h": 267.5
  },
  "luminance": 0.12378
}

Semantic roles & 50–950 ramp

primary

#425EB2

secondary

#C4B68C

accent

#B552D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425EB2

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

Preview Lab → · Contrast checker → · Palette generator →