#425CB7#425CB7

#425CB7 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.147 H 268.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#425CB7
RGB	rgb(66, 92, 183)
HSL	hsl(227, 47%, 49%)
HSV	hsv(227, 64%, 72%)
CMYK	cmyk(63.9%, 49.7%, 0%, 28.2%)
CIE-LAB	lab(41.58, 19.70, -51.21)
CIE-LCH	lch(41.58, 54.87, 291.04°)
OKLab	oklab(50.36% -0.0034 -0.1467)
OKLCH	oklch(50.36% 0.147 268.7)
XYZ	xyz(14.6182, 12.2301, 46.3809)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CB7 #B79D42

analogous

#4297B7 #425CB7 #6342B7

triadic

#425CB7 #B7425C #5CB742

tetradic

#425CB7 #B74297 #B79D42 #42B763

square

#425CB7 #B74297 #B79D42 #42B763

split-complementary

#425CB7 #B76342 #97B742

monochromatic

#222F5D #32458A #425CB7 #6C81CA #99A8DA

Accessibility & contrast

On white

6.09

#425CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#425CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CB7

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CB7	#FFFFFF	#000000	##FFFFFF
##425CB7	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B68BA

Deuteranopia (green-blind)

#0D5DB5

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425cb7;
/* rgb */ color: rgb(66, 92, 183);
/* oklch */ color: oklch(50.4% 0.147 268.7);

Tailwind

colors: {
  custom: {
    50: '#8289cd',
    500: '#425cb7',
    950: '#000000',
  },
}

SCSS

$custom: #425cb7;
$custom-light: #8289cd;
$custom-dark: #000000;

JSON

{
  "hex": "#425cb7",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 183
  },
  "hsl": {
    "h": 226.667,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50359,
    "c": 0.14672,
    "h": 268.7
  },
  "luminance": 0.12231
}

Semantic roles & 50–950 ramp

primary

#425CB7

secondary

#C6BA8F

accent

#B951D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425CB7

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

Preview Lab → · Contrast checker → · Palette generator →