#425FA3#425FA3

#425FA3 is a mid, moderate blue. Relative luminance 0.120; OKLCH L 49.7% C 0.114 H 265.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#425FA3
RGB	rgb(66, 95, 163)
HSL	hsl(222, 42%, 45%)
HSV	hsv(222, 60%, 64%)
CMYK	cmyk(59.5%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(41.19, 10.74, -40.04)
CIE-LCH	lch(41.19, 41.45, 285.02°)
OKLab	oklab(49.67% -0.0097 -0.1138)
OKLCH	oklch(49.67% 0.114 265.1)
XYZ	xyz(12.9476, 11.9859, 36.2744)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FA3 #A38642

analogous

#428FA3 #425FA3 #5642A3

triadic

#425FA3 #A3425F #5FA342

tetradic

#425FA3 #A3428F #A38642 #42A356

square

#425FA3 #A3428F #A38642 #42A356

split-complementary

#425FA3 #A35642 #8FA342

monochromatic

#1F2C4C #304677 #425FA3 #637EC0 #8EA2D1

Accessibility & contrast

On white

6.18

#425FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#425FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FA3

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FA3	#FFFFFF	#000000	##FFFFFF
##425FA3	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4266A6

Deuteranopia (green-blind)

#355DA2

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #425fa3;
/* rgb */ color: rgb(66, 95, 163);
/* oklch */ color: oklch(49.7% 0.114 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f8cbe',
    500: '#425fa3',
    950: '#000000',
  },
}

SCSS

$custom: #425fa3;
$custom-light: #7f8cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#425fa3",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 222.062,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49669,
    "c": 0.11424,
    "h": 265.1
  },
  "luminance": 0.11987
}

Semantic roles & 50–950 ramp

primary

#425FA3

secondary

#BCAC84

accent

#AD56D2

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #425FA3

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

Preview Lab → · Contrast checker → · Palette generator →