#425DB2#425DB2

#425DB2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.138 H 267.9°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#425DB2
RGB	rgb(66, 93, 178)
HSL	hsl(226, 46%, 48%)
HSV	hsv(226, 63%, 70%)
CMYK	cmyk(62.9%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(41.53, 17.29, -48.35)
CIE-LCH	lch(41.53, 51.35, 289.68°)
OKLab	oklab(50.22% -0.005 -0.1383)
OKLCH	oklch(50.22% 0.138 267.9)
XYZ	xyz(14.1943, 12.2001, 43.7177)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DB2 #B29742

analogous

#4295B2 #425DB2 #5F42B2

triadic

#425DB2 #B2425D #5DB242

tetradic

#425DB2 #B24295 #B29742 #42B25F

square

#425DB2 #B24295 #B29742 #42B25F

split-complementary

#425DB2 #B25F42 #95B242

monochromatic

#212E59 #314685 #425DB2 #6A80C8 #96A6D8

Accessibility & contrast

On white

6.10

#425DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#425DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DB2

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DB2	#FFFFFF	#000000	##FFFFFF
##425DB2	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)

#3267B5

Deuteranopia (green-blind)

#1E5DB0

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425db2;
/* rgb */ color: rgb(66, 93, 178);
/* oklch */ color: oklch(50.2% 0.138 267.9);

Tailwind

colors: {
  custom: {
    50: '#818ac9',
    500: '#425db2',
    950: '#000000',
  },
}

SCSS

$custom: #425db2;
$custom-light: #818ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#425db2",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 225.536,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5022,
    "c": 0.13835,
    "h": 267.9
  },
  "luminance": 0.12201
}

Semantic roles & 50–950 ramp

primary

#425DB2

secondary

#C4B68C

accent

#B652D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425DB2

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

Preview Lab → · Contrast checker → · Palette generator →