#424B79#424B79

#424B79 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.7% C 0.077 H 274.3°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#424B79
RGB	rgb(66, 75, 121)
HSL	hsl(230, 29%, 37%)
HSV	hsv(230, 45%, 47%)
CMYK	cmyk(45.5%, 38%, 0%, 52.5%)
CIE-LAB	lab(33.07, 9.53, -27.38)
CIE-LCH	lch(33.07, 28.99, 289.20°)
OKLab	oklab(42.65% 0.0058 -0.077)
OKLCH	oklch(42.65% 0.077 274.3)
XYZ	xyz(8.2130, 7.5705, 19.1139)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B79 #797042

analogous

#426779 #424B79 #554279

triadic

#424B79 #79424B #4B7942

tetradic

#424B79 #794267 #797042 #427955

square

#424B79 #794267 #797042 #427955

split-complementary

#424B79 #795542 #677942

monochromatic

#171A2A #2C3251 #424B79 #5864A1 #7D87B8

Accessibility & contrast

On white

8.35

#424B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#424B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B79

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B79	#FFFFFF	#000000	##FFFFFF
##424B79	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B507B

Deuteranopia (green-blind)

#364C78

Tritanopia (blue-blind)

#2F545C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b79;
/* rgb */ color: rgb(66, 75, 121);
/* oklch */ color: oklch(42.7% 0.077 274.3);

Tailwind

colors: {
  custom: {
    50: '#797da0',
    500: '#424b79',
    950: '#000000',
  },
}

SCSS

$custom: #424b79;
$custom-light: #797da0;
$custom-dark: #000000;

JSON

{
  "hex": "#424b79",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 121
  },
  "hsl": {
    "h": 230.182,
    "s": 29.412,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42653,
    "c": 0.07721,
    "h": 274.3
  },
  "luminance": 0.07571
}

Semantic roles & 50–950 ramp

primary

#424B79

secondary

#A39B74

accent

#B562C6

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B79

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

Preview Lab → · Contrast checker → · Palette generator →