#424F78#424F78

#424F78 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.070 H 269.9°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#424F78
RGB	rgb(66, 79, 120)
HSL	hsl(226, 29%, 36%)
HSV	hsv(226, 45%, 47%)
CMYK	cmyk(45%, 34.2%, 0%, 52.9%)
CIE-LAB	lab(34.20, 6.61, -24.98)
CIE-LCH	lch(34.20, 25.84, 284.82°)
OKLab	oklab(43.51% -0.0001 -0.07)
OKLCH	oklch(43.51% 0.07 269.9)
XYZ	xyz(8.4319, 8.1058, 18.8859)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F78 #786B42

analogous

#426A78 #424F78 #504278

triadic

#424F78 #78424F #4F7842

tetradic

#424F78 #78426A #786B42 #427850

square

#424F78 #78426A #786B42 #427850

split-complementary

#424F78 #785042 #6A7842

monochromatic

#171B29 #2C3551 #424F78 #58699F #7D8BB7

Accessibility & contrast

On white

8.01

#424F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#424F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F78

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F78	#FFFFFF	#000000	##FFFFFF
##424F78	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41537A

Deuteranopia (green-blind)

#3C4E77

Tritanopia (blue-blind)

#2F575E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #424f78;
/* rgb */ color: rgb(66, 79, 120);
/* oklch */ color: oklch(43.5% 0.070 269.9);

Tailwind

colors: {
  custom: {
    50: '#79809f',
    500: '#424f78',
    950: '#000000',
  },
}

SCSS

$custom: #424f78;
$custom-light: #79809f;
$custom-dark: #000000;

JSON

{
  "hex": "#424f78",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 120
  },
  "hsl": {
    "h": 225.556,
    "s": 29.032,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43509,
    "c": 0.07004,
    "h": 269.9
  },
  "luminance": 0.08106
}

Semantic roles & 50–950 ramp

primary

#424F78

secondary

#A29773

accent

#AE62C5

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0E

muted

#7B7C7E

Preview Lab

Preview with #424F78

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

Preview Lab → · Contrast checker → · Palette generator →