#425EB5#425EB5

#425EB5 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.141 H 267.7°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#425EB5
RGB	rgb(66, 94, 181)
HSL	hsl(225, 47%, 48%)
HSV	hsv(225, 64%, 71%)
CMYK	cmyk(63.5%, 48.1%, 0%, 29%)
CIE-LAB	lab(42.00, 17.71, -49.37)
CIE-LCH	lch(42.00, 52.45, 289.73°)
OKLab	oklab(50.64% -0.0056 -0.1412)
OKLCH	oklch(50.64% 0.141 267.7)
XYZ	xyz(14.5871, 12.4986, 45.3508)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EB5 #B59942

analogous

#4297B5 #425EB5 #5F42B5

triadic

#425EB5 #B5425E #5EB542

tetradic

#425EB5 #B54297 #B59942 #42B55F

square

#425EB5 #B54297 #B59942 #42B55F

split-complementary

#425EB5 #B55F42 #97B542

monochromatic

#212F5B #324788 #425EB5 #6B82C9 #98A8D9

Accessibility & contrast

On white

6.00

#425EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#425EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EB5

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EB5	#FFFFFF	#000000	##FFFFFF
##425EB5	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3269B8

Deuteranopia (green-blind)

#1B5EB3

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #425eb5;
/* rgb */ color: rgb(66, 94, 181);
/* oklch */ color: oklch(50.6% 0.141 267.7);

Tailwind

colors: {
  custom: {
    50: '#828bcc',
    500: '#425eb5',
    950: '#000000',
  },
}

SCSS

$custom: #425eb5;
$custom-light: #828bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#425eb5",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 225.391,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50636,
    "c": 0.14134,
    "h": 267.7
  },
  "luminance": 0.125
}

Semantic roles & 50–950 ramp

primary

#425EB5

secondary

#C5B88E

accent

#B652D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425EB5

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

Preview Lab → · Contrast checker → · Palette generator →