#425CB5#425CB5

#425CB5 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.144 H 268.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#425CB5
RGB	rgb(66, 92, 181)
HSL	hsl(226, 47%, 48%)
HSV	hsv(226, 64%, 71%)
CMYK	cmyk(63.5%, 49.2%, 0%, 29%)
CIE-LAB	lab(41.45, 18.99, -50.25)
CIE-LCH	lch(41.45, 53.72, 290.71°)
OKLab	oklab(50.22% -0.0036 -0.1438)
OKLCH	oklch(50.22% 0.144 268.6)
XYZ	xyz(14.4116, 12.1475, 45.2923)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CB5 #B59B42

analogous

#4295B5 #425CB5 #6142B5

triadic

#425CB5 #B5425C #5CB542

tetradic

#425CB5 #B54295 #B59B42 #42B561

square

#425CB5 #B54295 #B59B42 #42B561

split-complementary

#425CB5 #B56142 #95B542

monochromatic

#212E5B #324588 #425CB5 #6B80C9 #98A7D9

Accessibility & contrast

On white

6.12

#425CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#425CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CB5

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CB5	#FFFFFF	#000000	##FFFFFF
##425CB5	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D67B8

Deuteranopia (green-blind)

#145DB3

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425cb5;
/* rgb */ color: rgb(66, 92, 181);
/* oklch */ color: oklch(50.2% 0.144 268.6);

Tailwind

colors: {
  custom: {
    50: '#8289cc',
    500: '#425cb5',
    950: '#000000',
  },
}

SCSS

$custom: #425cb5;
$custom-light: #8289cc;
$custom-dark: #000000;

JSON

{
  "hex": "#425cb5",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 226.435,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50218,
    "c": 0.1439,
    "h": 268.6
  },
  "luminance": 0.12149
}

Semantic roles & 50–950 ramp

primary

#425CB5

secondary

#C5B98E

accent

#B852D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425CB5

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

Preview Lab → · Contrast checker → · Palette generator →