#425C8F#425C8F

#425C8F is a mid, moderate blue. Relative luminance 0.108; OKLCH L 47.8% C 0.089 H 262.9°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#425C8F
RGB	rgb(66, 92, 143)
HSL	hsl(220, 37%, 41%)
HSV	hsv(220, 54%, 56%)
CMYK	cmyk(53.8%, 35.7%, 0%, 43.9%)
CIE-LAB	lab(39.23, 5.81, -31.17)
CIE-LCH	lch(39.23, 31.70, 280.56°)
OKLab	oklab(47.8% -0.0109 -0.0879)
OKLCH	oklch(47.8% 0.089 262.9)
XYZ	xyz(11.0302, 10.7949, 27.4837)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425C8F #8F7542

analogous

#42828F #425C8F #4E428F

triadic

#425C8F #8F425C #5C8F42

tetradic

#425C8F #8F4282 #8F7542 #428F4E

square

#425C8F #8F4282 #8F7542 #428F4E

split-complementary

#425C8F #8F4E42 #828F42

monochromatic

#1B263B #2F4165 #425C8F #5B79B3 #859BC7

Accessibility & contrast

On white

6.65

#425C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#425C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425C8F

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425C8F	#FFFFFF	#000000	##FFFFFF
##425C8F	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486091

Deuteranopia (green-blind)

#3F598E

Tritanopia (blue-blind)

#1B676F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #425c8f;
/* rgb */ color: rgb(66, 92, 143);
/* oklch */ color: oklch(47.8% 0.089 262.9);

Tailwind

colors: {
  custom: {
    50: '#7c89b0',
    500: '#425c8f',
    950: '#000000',
  },
}

SCSS

$custom: #425c8f;
$custom-light: #7c89b0;
$custom-dark: #000000;

JSON

{
  "hex": "#425c8f",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 143
  },
  "hsl": {
    "h": 219.74,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47797,
    "c": 0.0886,
    "h": 262.9
  },
  "luminance": 0.10796
}

Semantic roles & 50–950 ramp

primary

#425C8F

secondary

#B19F7B

accent

#A65BCD

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #425C8F

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

Preview Lab → · Contrast checker → · Palette generator →