#425BC3#425BC3

#425BC3 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.165 H 269.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#425BC3
RGB	rgb(66, 91, 195)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 66%, 76%)
CMYK	cmyk(66.2%, 53.3%, 0%, 23.5%)
CIE-LAB	lab(42.12, 24.60, -57.33)
CIE-LCH	lch(42.12, 62.38, 293.22°)
OKLab	oklab(51.03% -0.0013 -0.1647)
OKLCH	oklch(51.03% 0.165 269.5)
XYZ	xyz(15.8348, 12.5791, 53.2127)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BC3 #C3AA42

analogous

#429BC3 #425BC3 #6942C3

triadic

#425BC3 #C3425B #5BC342

tetradic

#425BC3 #C3429B #C3AA42 #42C369

square

#425BC3 #C3429B #C3AA42 #42C369

split-complementary

#425BC3 #C36942 #9BC342

monochromatic

#212F69 #304498 #425BC3 #7083D2 #9FACE0

Accessibility & contrast

On white

5.97

#425BC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#425BC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BC3

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BC3	#FFFFFF	#000000	##FFFFFF
##425BC3	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1369C7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425bc3;
/* rgb */ color: rgb(66, 91, 195);
/* oklch */ color: oklch(51.0% 0.165 269.5);

Tailwind

colors: {
  custom: {
    50: '#8489d6',
    500: '#425bc3',
    950: '#000000',
  },
}

SCSS

$custom: #425bc3;
$custom-light: #8489d6;
$custom-dark: #000000;

JSON

{
  "hex": "#425bc3",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 195
  },
  "hsl": {
    "h": 228.372,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51028,
    "c": 0.1647,
    "h": 269.5
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#425BC3

secondary

#CDC294

accent

#C04DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #425BC3

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

Preview Lab → · Contrast checker → · Palette generator →