#425FA9#425FA9

#425FA9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.0% C 0.123 H 266.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#425FA9
RGB	rgb(66, 95, 169)
HSL	hsl(223, 44%, 46%)
HSV	hsv(223, 61%, 66%)
CMYK	cmyk(60.9%, 43.8%, 0%, 33.7%)
CIE-LAB	lab(41.54, 12.84, -43.04)
CIE-LCH	lch(41.54, 44.91, 286.61°)
OKLab	oklab(50.05% -0.0086 -0.1226)
OKLCH	oklch(50.05% 0.123 266)
XYZ	xyz(13.4980, 12.2061, 39.1731)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FA9 #A98C42

analogous

#4292A9 #425FA9 #5842A9

triadic

#425FA9 #A9425F #5FA942

tetradic

#425FA9 #A94292 #A98C42 #42A958

square

#425FA9 #A94292 #A98C42 #42A958

split-complementary

#425FA9 #A95842 #92A942

monochromatic

#202E51 #31467D #425FA9 #6580C3 #91A4D4

Accessibility & contrast

On white

6.10

#425FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#425FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FA9

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FA9	#FFFFFF	#000000	##FFFFFF
##425FA9	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E67AC

Deuteranopia (green-blind)

#2F5EA7

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425fa9;
/* rgb */ color: rgb(66, 95, 169);
/* oklch */ color: oklch(50.0% 0.123 266.0);

Tailwind

colors: {
  custom: {
    50: '#808cc3',
    500: '#425fa9',
    950: '#000000',
  },
}

SCSS

$custom: #425fa9;
$custom-light: #808cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#425fa9",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 169
  },
  "hsl": {
    "h": 223.107,
    "s": 43.83,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5005,
    "c": 0.12291,
    "h": 266
  },
  "luminance": 0.12207
}

Semantic roles & 50–950 ramp

primary

#425FA9

secondary

#C0B087

accent

#B054D4

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #425FA9

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

Preview Lab → · Contrast checker → · Palette generator →