#425B8D#425B8D

#425B8D is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.5% C 0.087 H 263.3°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#425B8D
RGB	rgb(66, 91, 141)
HSL	hsl(220, 36%, 41%)
HSV	hsv(220, 53%, 55%)
CMYK	cmyk(53.2%, 35.5%, 0%, 44.7%)
CIE-LAB	lab(38.83, 5.78, -30.59)
CIE-LCH	lch(38.83, 31.13, 280.70°)
OKLab	oklab(47.45% -0.0102 -0.0862)
OKLCH	oklch(47.45% 0.087 263.3)
XYZ	xyz(10.7940, 10.5627, 26.6642)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425B8D #8D7442

analogous

#42808D #425B8D #4E428D

triadic

#425B8D #8D425B #5B8D42

tetradic

#425B8D #8D4280 #8D7442 #428D4E

square

#425B8D #8D4280 #8D7442 #428D4E

split-complementary

#425B8D #8D4E42 #808D42

monochromatic

#1B253A #2E4063 #425B8D #5A77B2 #849AC5

Accessibility & contrast

On white

6.75

#425B8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#425B8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425B8D

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425B8D	#FFFFFF	#000000	##FFFFFF
##425B8D	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475F8F

Deuteranopia (green-blind)

#3F588C

Tritanopia (blue-blind)

#1E666D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #425b8d;
/* rgb */ color: rgb(66, 91, 141);
/* oklch */ color: oklch(47.5% 0.087 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b89ae',
    500: '#425b8d',
    950: '#000000',
  },
}

SCSS

$custom: #425b8d;
$custom-light: #7b89ae;
$custom-dark: #000000;

JSON

{
  "hex": "#425b8d",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 141
  },
  "hsl": {
    "h": 220,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47453,
    "c": 0.08684,
    "h": 263.3
  },
  "luminance": 0.10564
}

Semantic roles & 50–950 ramp

primary

#425B8D

secondary

#B09E7B

accent

#A75CCC

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #425B8D

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

Preview Lab → · Contrast checker → · Palette generator →