#425FBB#425FBB

#425FBB is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.149 H 267.8°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#425FBB
RGB	rgb(66, 95, 187)
HSL	hsl(226, 48%, 50%)
HSV	hsv(226, 65%, 73%)
CMYK	cmyk(64.7%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.66, 19.19, -51.81)
CIE-LCH	lch(42.66, 55.25, 290.33°)
OKLab	oklab(51.26% -0.0058 -0.1484)
OKLCH	oklch(51.26% 0.149 267.8)
XYZ	xyz(15.3055, 12.9291, 48.6931)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FBB #BB9E42

analogous

#429CBB #425FBB #6242BB

triadic

#425FBB #BB425F #5FBB42

tetradic

#425FBB #BB429C #BB9E42 #42BB62

square

#425FBB #BB429C #BB9E42 #42BB62

split-complementary

#425FBB #BB6242 #9CBB42

monochromatic

#223161 #32488E #425FBB #6E85CC #9CABDC

Accessibility & contrast

On white

5.86

#425FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#425FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FBB

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FBB	#FFFFFF	#000000	##FFFFFF
##425FBB	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6ABE

Deuteranopia (green-blind)

#1060B9

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #425fbb;
/* rgb */ color: rgb(66, 95, 187);
/* oklch */ color: oklch(51.3% 0.149 267.8);

Tailwind

colors: {
  custom: {
    50: '#838cd0',
    500: '#425fbb',
    950: '#000000',
  },
}

SCSS

$custom: #425fbb;
$custom-light: #838cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#425fbb",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 225.62,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51261,
    "c": 0.14852,
    "h": 267.8
  },
  "luminance": 0.12931
}

Semantic roles & 50–950 ramp

primary

#425FBB

secondary

#C8BB91

accent

#B750D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #425FBB

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

Preview Lab → · Contrast checker → · Palette generator →