#425CB9#425CB9

#425CB9 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.150 H 268.8°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#425CB9
RGB	rgb(66, 92, 185)
HSL	hsl(227, 47%, 49%)
HSV	hsv(227, 64%, 73%)
CMYK	cmyk(64.3%, 50.3%, 0%, 27.5%)
CIE-LAB	lab(41.71, 20.41, -52.17)
CIE-LCH	lch(41.71, 56.02, 291.37°)
OKLab	oklab(50.5% -0.0031 -0.1495)
OKLCH	oklch(50.5% 0.15 268.8)
XYZ	xyz(14.8279, 12.3140, 47.4850)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CB9 #B99F42

analogous

#4298B9 #425CB9 #6442B9

triadic

#425CB9 #B9425C #5CB942

tetradic

#425CB9 #B94298 #B99F42 #42B964

square

#425CB9 #B94298 #B99F42 #42B964

split-complementary

#425CB9 #B96442 #98B942

monochromatic

#222F5F #32468C #425CB9 #6D82CB #9AA8DB

Accessibility & contrast

On white

6.06

#425CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#425CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CB9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CB9	#FFFFFF	#000000	##FFFFFF
##425CB9	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2868BC

Deuteranopia (green-blind)

#055DB7

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425cb9;
/* rgb */ color: rgb(66, 92, 185);
/* oklch */ color: oklch(50.5% 0.150 268.8);

Tailwind

colors: {
  custom: {
    50: '#8289cf',
    500: '#425cb9',
    950: '#000000',
  },
}

SCSS

$custom: #425cb9;
$custom-light: #8289cf;
$custom-dark: #000000;

JSON

{
  "hex": "#425cb9",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 185
  },
  "hsl": {
    "h": 226.891,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50501,
    "c": 0.14953,
    "h": 268.8
  },
  "luminance": 0.12315
}

Semantic roles & 50–950 ramp

primary

#425CB9

secondary

#C7BB90

accent

#BA51D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425CB9

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

Preview Lab → · Contrast checker → · Palette generator →