#425BB4#425BB4

#425BB4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.144 H 268.9°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#425BB4
RGB	rgb(66, 91, 180)
HSL	hsl(227, 46%, 48%)
HSV	hsv(227, 63%, 71%)
CMYK	cmyk(63.3%, 49.4%, 0%, 29.4%)
CIE-LAB	lab(41.11, 19.28, -50.20)
CIE-LCH	lch(41.11, 53.78, 291.01°)
OKLab	oklab(49.94% -0.0027 -0.1437)
OKLCH	oklch(49.94% 0.144 268.9)
XYZ	xyz(14.2233, 11.9345, 44.7252)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BB4 #B49B42

analogous

#4294B4 #425BB4 #6242B4

triadic

#425BB4 #B4425B #5BB442

tetradic

#425BB4 #B44294 #B49B42 #42B462

square

#425BB4 #B44294 #B49B42 #42B462

split-complementary

#425BB4 #B46242 #94B442

monochromatic

#212E5A #324487 #425BB4 #6B7FC9 #97A6D9

Accessibility & contrast

On white

6.20

#425BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#425BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BB4

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BB4	#FFFFFF	#000000	##FFFFFF
##425BB4	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C66B7

Deuteranopia (green-blind)

#125CB2

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #425bb4;
/* rgb */ color: rgb(66, 91, 180);
/* oklch */ color: oklch(49.9% 0.144 268.9);

Tailwind

colors: {
  custom: {
    50: '#8289cb',
    500: '#425bb4',
    950: '#000000',
  },
}

SCSS

$custom: #425bb4;
$custom-light: #8289cb;
$custom-dark: #000000;

JSON

{
  "hex": "#425bb4",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 180
  },
  "hsl": {
    "h": 226.842,
    "s": 46.341,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49941,
    "c": 0.14376,
    "h": 268.9
  },
  "luminance": 0.11936
}

Semantic roles & 50–950 ramp

primary

#425BB4

secondary

#C5B98D

accent

#B952D6

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425BB4

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

Preview Lab → · Contrast checker → · Palette generator →