#424B80#424B80

#424B80 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 43.1% C 0.088 H 274.8°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#424B80
RGB	rgb(66, 75, 128)
HSL	hsl(231, 32%, 38%)
HSV	hsv(231, 48%, 50%)
CMYK	cmyk(48.4%, 41.4%, 0%, 49.8%)
CIE-LAB	lab(33.45, 11.81, -31.12)
CIE-LCH	lch(33.45, 33.29, 290.78°)
OKLab	oklab(43.07% 0.0074 -0.0879)
OKLCH	oklch(43.07% 0.088 274.8)
XYZ	xyz(8.6579, 7.7484, 21.4573)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B80 #807742

analogous

#426A80 #424B80 #584280

triadic

#424B80 #80424B #4B8042

tetradic

#424B80 #80426A #807742 #428058

square

#424B80 #80426A #807742 #428058

split-complementary

#424B80 #805842 #6A8042

monochromatic

#181C2F #2D3358 #424B80 #5763A8 #7F88BD

Accessibility & contrast

On white

8.24

#424B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#424B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B80

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B80	#FFFFFF	#000000	##FFFFFF
##424B80	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375182

Deuteranopia (green-blind)

#324C7F

Tritanopia (blue-blind)

#2B565F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #424b80;
/* rgb */ color: rgb(66, 75, 128);
/* oklch */ color: oklch(43.1% 0.088 274.8);

Tailwind

colors: {
  custom: {
    50: '#7a7da5',
    500: '#424b80',
    950: '#000000',
  },
}

SCSS

$custom: #424b80;
$custom-light: #7a7da5;
$custom-dark: #000000;

JSON

{
  "hex": "#424b80",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 128
  },
  "hsl": {
    "h": 231.29,
    "s": 31.959,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43071,
    "c": 0.08822,
    "h": 274.8
  },
  "luminance": 0.07749
}

Semantic roles & 50–950 ramp

primary

#424B80

secondary

#A8A176

accent

#B960C8

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424B80

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

Preview Lab → · Contrast checker → · Palette generator →