#425CB3#425CB3

#425CB3 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.141 H 268.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#425CB3
RGB	rgb(66, 92, 179)
HSL	hsl(226, 46%, 48%)
HSV	hsv(226, 63%, 70%)
CMYK	cmyk(63.1%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(41.32, 18.29, -49.28)
CIE-LCH	lch(41.32, 52.56, 290.36°)
OKLab	oklab(50.08% -0.0039 -0.141)
OKLCH	oklch(50.08% 0.141 268.4)
XYZ	xyz(14.2078, 12.0660, 44.2193)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CB3 #B39942

analogous

#4294B3 #425CB3 #6142B3

triadic

#425CB3 #B3425C #5CB342

tetradic

#425CB3 #B34294 #B39942 #42B361

square

#425CB3 #B34294 #B39942 #42B361

split-complementary

#425CB3 #B36142 #94B342

monochromatic

#212E5A #324586 #425CB3 #6A80C8 #97A6D9

Accessibility & contrast

On white

6.15

#425CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#425CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CB3

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CB3	#FFFFFF	#000000	##FFFFFF
##425CB3	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F67B6

Deuteranopia (green-blind)

#185DB1

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #425cb3;
/* rgb */ color: rgb(66, 92, 179);
/* oklch */ color: oklch(50.1% 0.141 268.4);

Tailwind

colors: {
  custom: {
    50: '#8189ca',
    500: '#425cb3',
    950: '#000000',
  },
}

SCSS

$custom: #425cb3;
$custom-light: #8189ca;
$custom-dark: #000000;

JSON

{
  "hex": "#425cb3",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 226.195,
    "s": 46.122,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50079,
    "c": 0.14105,
    "h": 268.4
  },
  "luminance": 0.12067
}

Semantic roles & 50–950 ramp

primary

#425CB3

secondary

#C4B78C

accent

#B752D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425CB3

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

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