#425DA3#425DA3

#425DA3 is a mid, moderate blue. Relative luminance 0.116; OKLCH L 49.2% C 0.117 H 266.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#425DA3
RGB	rgb(66, 93, 163)
HSL	hsl(223, 42%, 45%)
HSV	hsv(223, 60%, 64%)
CMYK	cmyk(59.5%, 42.9%, 0%, 36.1%)
CIE-LAB	lab(40.62, 12.02, -40.95)
CIE-LCH	lch(40.62, 42.68, 286.36°)
OKLab	oklab(49.23% -0.0075 -0.1165)
OKLCH	oklch(49.23% 0.117 266.3)
XYZ	xyz(12.7697, 11.6303, 36.2152)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DA3 #A38842

analogous

#428EA3 #425DA3 #5842A3

triadic

#425DA3 #A3425D #5DA342

tetradic

#425DA3 #A3428E #A38842 #42A358

square

#425DA3 #A3428E #A38842 #42A358

split-complementary

#425DA3 #A35842 #8EA342

monochromatic

#1F2B4C #304477 #425DA3 #637CC0 #8EA1D1

Accessibility & contrast

On white

6.31

#425DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#425DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DA3

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DA3	#FFFFFF	#000000	##FFFFFF
##425DA3	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E64A6

Deuteranopia (green-blind)

#315CA2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425da3;
/* rgb */ color: rgb(66, 93, 163);
/* oklch */ color: oklch(49.2% 0.117 266.3);

Tailwind

colors: {
  custom: {
    50: '#7f8abf',
    500: '#425da3',
    950: '#000000',
  },
}

SCSS

$custom: #425da3;
$custom-light: #7f8abf;
$custom-dark: #000000;

JSON

{
  "hex": "#425da3",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 163
  },
  "hsl": {
    "h": 223.299,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49229,
    "c": 0.11675,
    "h": 266.3
  },
  "luminance": 0.11631
}

Semantic roles & 50–950 ramp

primary

#425DA3

secondary

#BCAD84

accent

#AF56D2

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #425DA3

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

Preview Lab → · Contrast checker → · Palette generator →