#425BC4#425BC4

#425BC4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.166 H 269.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#425BC4
RGB	rgb(66, 91, 196)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 66%, 77%)
CMYK	cmyk(66.3%, 53.6%, 0%, 23.1%)
CIE-LAB	lab(42.19, 24.95, -57.79)
CIE-LCH	lch(42.19, 62.95, 293.35°)
OKLab	oklab(51.1% -0.0012 -0.1661)
OKLCH	oklch(51.1% 0.166 269.6)
XYZ	xyz(15.9483, 12.6245, 53.8101)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BC4 #C4AB42

analogous

#429CC4 #425BC4 #6A42C4

triadic

#425BC4 #C4425B #5BC442

tetradic

#425BC4 #C4429C #C4AB42 #42C46A

square

#425BC4 #C4429C #C4AB42 #42C46A

split-complementary

#425BC4 #C46A42 #9CC442

monochromatic

#212F6A #304499 #425BC4 #7183D3 #9FACE1

Accessibility & contrast

On white

5.96

#425BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#425BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BC4

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BC4	#FFFFFF	#000000	##FFFFFF
##425BC4	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106AC8

Deuteranopia (green-blind)

#005EC2

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425bc4;
/* rgb */ color: rgb(66, 91, 196);
/* oklch */ color: oklch(51.1% 0.166 269.6);

Tailwind

colors: {
  custom: {
    50: '#8589d7',
    500: '#425bc4',
    950: '#000000',
  },
}

SCSS

$custom: #425bc4;
$custom-light: #8589d7;
$custom-dark: #000000;

JSON

{
  "hex": "#425bc4",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 196
  },
  "hsl": {
    "h": 228.462,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51103,
    "c": 0.16607,
    "h": 269.6
  },
  "luminance": 0.12626
}

Semantic roles & 50–950 ramp

primary

#425BC4

secondary

#CEC394

accent

#C04CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425BC4

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

Preview Lab → · Contrast checker → · Palette generator →