#425EA3#425EA3

#425EA3 is a mid, moderate blue. Relative luminance 0.118; OKLCH L 49.4% C 0.115 H 265.7°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#425EA3
RGB	rgb(66, 94, 163)
HSL	hsl(223, 42%, 45%)
HSV	hsv(223, 60%, 64%)
CMYK	cmyk(59.5%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(40.91, 11.38, -40.49)
CIE-LCH	lch(40.91, 42.06, 285.70°)
OKLab	oklab(49.45% -0.0086 -0.1152)
OKLCH	oklch(49.45% 0.115 265.7)
XYZ	xyz(12.8581, 11.8069, 36.2446)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EA3 #A38742

analogous

#428FA3 #425EA3 #5642A3

triadic

#425EA3 #A3425E #5EA342

tetradic

#425EA3 #A3428F #A38742 #42A356

square

#425EA3 #A3428F #A38742 #42A356

split-complementary

#425EA3 #A35642 #8FA342

monochromatic

#1F2C4C #304577 #425EA3 #637DC0 #8EA2D1

Accessibility & contrast

On white

6.25

#425EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#425EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EA3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EA3	#FFFFFF	#000000	##FFFFFF
##425EA3	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4065A6

Deuteranopia (green-blind)

#335CA2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425ea3;
/* rgb */ color: rgb(66, 94, 163);
/* oklch */ color: oklch(49.4% 0.115 265.7);

Tailwind

colors: {
  custom: {
    50: '#7f8bbe',
    500: '#425ea3',
    950: '#000000',
  },
}

SCSS

$custom: #425ea3;
$custom-light: #7f8bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#425ea3",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 222.68,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49448,
    "c": 0.11549,
    "h": 265.7
  },
  "luminance": 0.11808
}

Semantic roles & 50–950 ramp

primary

#425EA3

secondary

#BCAC84

accent

#AE56D2

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #425EA3

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

Preview Lab → · Contrast checker → · Palette generator →