#425EB4#425EB4

#425EB4 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.140 H 267.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#425EB4
RGB	rgb(66, 94, 180)
HSL	hsl(225, 46%, 48%)
HSV	hsv(225, 63%, 71%)
CMYK	cmyk(63.3%, 47.8%, 0%, 29.4%)
CIE-LAB	lab(41.93, 17.35, -48.88)
CIE-LCH	lch(41.93, 51.87, 289.55°)
OKLab	oklab(50.57% -0.0057 -0.1398)
OKLCH	oklch(50.57% 0.14 267.6)
XYZ	xyz(14.4849, 12.4577, 44.8124)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EB4 #B49842

analogous

#4297B4 #425EB4 #5F42B4

triadic

#425EB4 #B4425E #5EB442

tetradic

#425EB4 #B44297 #B49842 #42B45F

square

#425EB4 #B44297 #B49842 #42B45F

split-complementary

#425EB4 #B45F42 #97B442

monochromatic

#212F5A #324787 #425EB4 #6B82C9 #97A8D9

Accessibility & contrast

On white

6.01

#425EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#425EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EB4

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EB4	#FFFFFF	#000000	##FFFFFF
##425EB4	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B7

Deuteranopia (green-blind)

#1D5EB2

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425eb4;
/* rgb */ color: rgb(66, 94, 180);
/* oklch */ color: oklch(50.6% 0.140 267.6);

Tailwind

colors: {
  custom: {
    50: '#818bcb',
    500: '#425eb4',
    950: '#000000',
  },
}

SCSS

$custom: #425eb4;
$custom-light: #818bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#425eb4",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 180
  },
  "hsl": {
    "h": 225.263,
    "s": 46.341,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50567,
    "c": 0.13992,
    "h": 267.6
  },
  "luminance": 0.12459
}

Semantic roles & 50–950 ramp

primary

#425EB4

secondary

#C5B78D

accent

#B652D6

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425EB4

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

Preview Lab → · Contrast checker → · Palette generator →