#424B74#424B74

#424B74 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.4% C 0.069 H 273.7°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#424B74
RGB	rgb(66, 75, 116)
HSL	hsl(229, 27%, 36%)
HSV	hsv(229, 43%, 45%)
CMYK	cmyk(43.1%, 35.3%, 0%, 54.5%)
CIE-LAB	lab(32.81, 7.94, -24.67)
CIE-LCH	lch(32.81, 25.91, 287.84°)
OKLab	oklab(42.37% 0.0044 -0.0691)
OKLCH	oklch(42.37% 0.069 273.7)
XYZ	xyz(7.9143, 7.4510, 17.5408)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B74 #746B42

analogous

#426474 #424B74 #524274

triadic

#424B74 #74424B #4B7442

tetradic

#424B74 #744264 #746B42 #427452

square

#424B74 #744264 #746B42 #427452

split-complementary

#424B74 #745242 #647442

monochromatic

#161926 #2C324D #424B74 #58649B #7C86B4

Accessibility & contrast

On white

8.43

#424B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#424B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B74

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B74	#FFFFFF	#000000	##FFFFFF
##424B74	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F76

Deuteranopia (green-blind)

#394B73

Tritanopia (blue-blind)

#32535A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424b74;
/* rgb */ color: rgb(66, 75, 116);
/* oklch */ color: oklch(42.4% 0.069 273.7);

Tailwind

colors: {
  custom: {
    50: '#797d9c',
    500: '#424b74',
    950: '#000000',
  },
}

SCSS

$custom: #424b74;
$custom-light: #797d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#424b74",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 116
  },
  "hsl": {
    "h": 229.2,
    "s": 27.473,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42368,
    "c": 0.06927,
    "h": 273.7
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#424B74

secondary

#A09772

accent

#B364C4

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B74

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

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