#425BB9#425BB9

#425BB9 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.151 H 269.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#425BB9
RGB	rgb(66, 91, 185)
HSL	hsl(227, 47%, 49%)
HSV	hsv(227, 64%, 73%)
CMYK	cmyk(64.3%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(41.44, 21.05, -52.60)
CIE-LCH	lch(41.44, 56.66, 291.81°)
OKLab	oklab(50.3% -0.0022 -0.1508)
OKLCH	oklch(50.3% 0.151 269.2)
XYZ	xyz(14.7418, 12.1419, 47.4563)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BB9 #B9A042

analogous

#4297B9 #425BB9 #6542B9

triadic

#425BB9 #B9425B #5BB942

tetradic

#425BB9 #B94297 #B9A042 #42B965

square

#425BB9 #B94297 #B9A042 #42B965

split-complementary

#425BB9 #B96542 #97B942

monochromatic

#222F5F #32458C #425BB9 #6D81CB #9AA8DB

Accessibility & contrast

On white

6.12

#425BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#425BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BB9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BB9	#FFFFFF	#000000	##FFFFFF
##425BB9	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)

#2667BC

Deuteranopia (green-blind)

#005DB7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425bb9;
/* rgb */ color: rgb(66, 91, 185);
/* oklch */ color: oklch(50.3% 0.151 269.2);

Tailwind

colors: {
  custom: {
    50: '#8289cf',
    500: '#425bb9',
    950: '#000000',
  },
}

SCSS

$custom: #425bb9;
$custom-light: #8289cf;
$custom-dark: #000000;

JSON

{
  "hex": "#425bb9",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 227.395,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50296,
    "c": 0.15081,
    "h": 269.2
  },
  "luminance": 0.12143
}

Semantic roles & 50–950 ramp

primary

#425BB9

secondary

#C7BB90

accent

#BB51D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425BB9

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

Preview Lab → · Contrast checker → · Palette generator →