#425FBC#425FBC

#425FBC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.3% C 0.150 H 267.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#425FBC
RGB	rgb(66, 95, 188)
HSL	hsl(226, 48%, 50%)
HSV	hsv(226, 65%, 74%)
CMYK	cmyk(64.9%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.72, 19.55, -52.29)
CIE-LCH	lch(42.72, 55.83, 290.50°)
OKLab	oklab(51.33% -0.0057 -0.1498)
OKLCH	oklch(51.33% 0.15 267.8)
XYZ	xyz(15.4130, 12.9721, 49.2588)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425FBC #BC9F42

analogous

#429CBC #425FBC #6242BC

triadic

#425FBC #BC425F #5FBC42

tetradic

#425FBC #BC429C #BC9F42 #42BC62

square

#425FBC #BC429C #BC9F42 #42BC62

split-complementary

#425FBC #BC6242 #9CBC42

monochromatic

#223161 #32488F #425FBC #6F85CC #9CABDC

Accessibility & contrast

On white

5.84

#425FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#425FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425FBC

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425FBC	#FFFFFF	#000000	##FFFFFF
##425FBC	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6BBF

Deuteranopia (green-blind)

#0D60BA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #425fbc;
/* rgb */ color: rgb(66, 95, 188);
/* oklch */ color: oklch(51.3% 0.150 267.8);

Tailwind

colors: {
  custom: {
    50: '#838cd1',
    500: '#425fbc',
    950: '#000000',
  },
}

SCSS

$custom: #425fbc;
$custom-light: #838cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#425fbc",
  "rgb": {
    "r": 66,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 225.738,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51331,
    "c": 0.14993,
    "h": 267.8
  },
  "luminance": 0.12974
}

Semantic roles & 50–950 ramp

primary

#425FBC

secondary

#C9BB91

accent

#B750D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #425FBC

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

Preview Lab → · Contrast checker → · Palette generator →