#424C6A#424C6A

#424C6A is a dark, muted blue. Relative luminance 0.074; OKLCH L 42.1% C 0.052 H 269.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#424C6A
RGBrgb(66, 76, 106)
HSLhsl(225, 23%, 34%)
HSVhsv(225, 38%, 42%)
CMYKcmyk(37.7%, 28.3%, 0%, 58.4%)
CIE-LABlab(32.63, 4.20, -18.67)
CIE-LCHlch(32.63, 19.14, 282.68°)
OKLaboklab(42.07% -0.0001 -0.0519)
OKLCHoklch(42.07% 0.052 269.9)
XYZxyz(7.4320, 7.3674, 14.6633)
Luminance0.0737 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424C6A #6A6042
analogous
#42606A #424C6A #4C426A
triadic
#424C6A #6A424C #4C6A42
tetradic
#424C6A #6A4260 #6A6042 #426A4C
square
#424C6A #6A4260 #6A6042 #426A4C
split-complementary
#424C6A #6A4C42 #606A42
monochromatic
#13161F #2B3144 #424C6A #596790 #7A87AC

Accessibility & contrast

On white

8.49
#424C6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#424C6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C6A
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424C6A#FFFFFF#000000##FFFFFF
##424C6A1.008.492.478.49
#FFFFFF8.491.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#424F6B
Deuteranopia (green-blind)
#3F4B69
Tritanopia (blue-blind)
#365256
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #424c6a;
/* rgb */ color: rgb(66, 76, 106);
/* oklch */ color: oklch(42.1% 0.052 269.9);
Tailwind
colors: {
  custom: {
    50: '#787d94',
    500: '#424c6a',
    950: '#000000',
  },
}
SCSS
$custom: #424c6a;
$custom-light: #787d94;
$custom-dark: #000000;
JSON
{
  "hex": "#424c6a",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 106
  },
  "hsl": {
    "h": 225,
    "s": 23.256,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42067,
    "c": 0.05186,
    "h": 269.9
  },
  "luminance": 0.07368
}

Semantic roles & 50–950 ramp

primary
#424C6A
secondary
#988E70
accent
#AA68C0
background
#F7F7F9
surface
#EDEEF1
border
#C8C9CB
text
#09090D
muted
#7B7B7E

Preview Lab

Preview with #424C6A

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

Preview Lab → · Contrast checker → · Palette generator →

#424C6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva