#425DA4#425DA4

#425DA4 is a mid, moderate blue. Relative luminance 0.117; OKLCH L 49.3% C 0.118 H 266.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#425DA4
RGB	rgb(66, 93, 164)
HSL	hsl(223, 43%, 45%)
HSV	hsv(223, 60%, 64%)
CMYK	cmyk(59.8%, 43.3%, 0%, 35.7%)
CIE-LAB	lab(40.68, 12.37, -41.45)
CIE-LCH	lch(40.68, 43.26, 286.62°)
OKLab	oklab(49.29% -0.0073 -0.118)
OKLCH	oklch(49.29% 0.118 266.5)
XYZ	xyz(12.8597, 11.6662, 36.6889)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DA4 #A48942

analogous

#428EA4 #425DA4 #5842A4

triadic

#425DA4 #A4425D #5DA442

tetradic

#425DA4 #A4428E #A48942 #42A458

square

#425DA4 #A4428E #A48942 #42A458

split-complementary

#425DA4 #A45842 #8EA442

monochromatic

#1F2C4D #304478 #425DA4 #637DC0 #8FA1D2

Accessibility & contrast

On white

6.30

#425DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#425DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DA4

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DA4	#FFFFFF	#000000	##FFFFFF
##425DA4	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E65A7

Deuteranopia (green-blind)

#305CA2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425da4;
/* rgb */ color: rgb(66, 93, 164);
/* oklch */ color: oklch(49.3% 0.118 266.5);

Tailwind

colors: {
  custom: {
    50: '#7f8abf',
    500: '#425da4',
    950: '#000000',
  },
}

SCSS

$custom: #425da4;
$custom-light: #7f8abf;
$custom-dark: #000000;

JSON

{
  "hex": "#425da4",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 164
  },
  "hsl": {
    "h": 223.469,
    "s": 42.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49293,
    "c": 0.11821,
    "h": 266.5
  },
  "luminance": 0.11667
}

Semantic roles & 50–950 ramp

primary

#425DA4

secondary

#BDAE85

accent

#B055D2

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #425DA4

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

Preview Lab → · Contrast checker → · Palette generator →