#425FB7#425FB7

#425FB7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.143 H 267.5°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#425FB7
RGB	rgb(66, 95, 183)
HSL	hsl(225, 47%, 49%)
HSV	hsv(225, 64%, 72%)
CMYK	cmyk(63.9%, 48.1%, 0%, 28.2%)
CIE-LAB	lab(42.40, 17.78, -49.89)
CIE-LCH	lch(42.40, 52.96, 289.61°)
OKLab	oklab(50.98% -0.0063 -0.1428)
OKLCH	oklch(50.98% 0.143 267.5)
XYZ	xyz(14.8833, 12.7602, 46.4692)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FB7 #B79A42

analogous

#429AB7 #425FB7 #6042B7

triadic

#425FB7 #B7425F #5FB742

tetradic

#425FB7 #B7429A #B79A42 #42B760

square

#425FB7 #B7429A #B79A42 #42B760

split-complementary

#425FB7 #B76042 #9AB742

monochromatic

#22305D #32488A #425FB7 #6C83CA #99A9DA

Accessibility & contrast

On white

5.91

#425FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#425FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FB7

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FB7	#FFFFFF	#000000	##FFFFFF
##425FB7	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326ABA

Deuteranopia (green-blind)

#1A5FB5

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425fb7;
/* rgb */ color: rgb(66, 95, 183);
/* oklch */ color: oklch(51.0% 0.143 267.5);

Tailwind

colors: {
  custom: {
    50: '#828ccd',
    500: '#425fb7',
    950: '#000000',
  },
}

SCSS

$custom: #425fb7;
$custom-light: #828ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#425fb7",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 183
  },
  "hsl": {
    "h": 225.128,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50983,
    "c": 0.1429,
    "h": 267.5
  },
  "luminance": 0.12762
}

Semantic roles & 50–950 ramp

primary

#425FB7

secondary

#C6B88F

accent

#B651D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #425FB7

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

Preview Lab → · Contrast checker → · Palette generator →