#425AB8#425AB8

#425AB8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.151 H 269.5°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#425AB8
RGB	rgb(66, 90, 184)
HSL	hsl(228, 47%, 49%)
HSV	hsv(228, 64%, 72%)
CMYK	cmyk(64.1%, 51.1%, 0%, 27.8%)
CIE-LAB	lab(41.10, 21.34, -52.56)
CIE-LCH	lch(41.10, 56.73, 292.10°)
OKLab	oklab(50.02% -0.0013 -0.1507)
OKLCH	oklch(50.02% 0.151 269.5)
XYZ	xyz(14.5517, 11.9300, 46.8740)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425AB8 #B8A042

analogous

#4295B8 #425AB8 #6542B8

triadic

#425AB8 #B8425A #5AB842

tetradic

#425AB8 #B84295 #B8A042 #42B865

square

#425AB8 #B84295 #B8A042 #42B865

split-complementary

#425AB8 #B86542 #95B842

monochromatic

#222E5E #32448B #425AB8 #6D80CB #9AA7DB

Accessibility & contrast

On white

6.20

#425AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#425AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425AB8

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425AB8	#FFFFFF	#000000	##FFFFFF
##425AB8	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2466BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #425ab8;
/* rgb */ color: rgb(66, 90, 184);
/* oklch */ color: oklch(50.0% 0.151 269.5);

Tailwind

colors: {
  custom: {
    50: '#8288ce',
    500: '#425ab8',
    950: '#000000',
  },
}

SCSS

$custom: #425ab8;
$custom-light: #8288ce;
$custom-dark: #000000;

JSON

{
  "hex": "#425ab8",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 184
  },
  "hsl": {
    "h": 227.797,
    "s": 47.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5002,
    "c": 0.15069,
    "h": 269.5
  },
  "luminance": 0.11931
}

Semantic roles & 50–950 ramp

primary

#425AB8

secondary

#C7BB8F

accent

#BC51D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425AB8

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

Preview Lab → · Contrast checker → · Palette generator →