#425CB8#425CB8

#425CB8 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.148 H 268.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#425CB8
RGB	rgb(66, 92, 184)
HSL	hsl(227, 47%, 49%)
HSV	hsv(227, 64%, 72%)
CMYK	cmyk(64.1%, 50%, 0%, 27.8%)
CIE-LAB	lab(41.65, 20.06, -51.69)
CIE-LCH	lch(41.65, 55.44, 291.21°)
OKLab	oklab(50.43% -0.0033 -0.1481)
OKLCH	oklch(50.43% 0.148 268.7)
XYZ	xyz(14.7227, 12.2719, 46.9310)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425CB8 #B89E42

analogous

#4297B8 #425CB8 #6342B8

triadic

#425CB8 #B8425C #5CB842

tetradic

#425CB8 #B84297 #B89E42 #42B863

square

#425CB8 #B84297 #B89E42 #42B863

split-complementary

#425CB8 #B86342 #97B842

monochromatic

#222F5E #32458B #425CB8 #6D81CB #9AA8DB

Accessibility & contrast

On white

6.08

#425CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#425CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425CB8

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425CB8	#FFFFFF	#000000	##FFFFFF
##425CB8	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A68BB

Deuteranopia (green-blind)

#095DB6

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425cb8;
/* rgb */ color: rgb(66, 92, 184);
/* oklch */ color: oklch(50.4% 0.148 268.7);

Tailwind

colors: {
  custom: {
    50: '#8289ce',
    500: '#425cb8',
    950: '#000000',
  },
}

SCSS

$custom: #425cb8;
$custom-light: #8289ce;
$custom-dark: #000000;

JSON

{
  "hex": "#425cb8",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 226.78,
    "s": 47.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5043,
    "c": 0.14813,
    "h": 268.7
  },
  "luminance": 0.12273
}

Semantic roles & 50–950 ramp

primary

#425CB8

secondary

#C7BA8F

accent

#B951D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425CB8

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

Preview Lab → · Contrast checker → · Palette generator →