#424E56#424E56

#424E56 is a dark, muted cyan. Relative luminance 0.073; OKLCH L 41.6% C 0.020 H 237.2°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX#424E56
RGBrgb(66, 78, 86)
HSLhsl(204, 13%, 30%)
HSVhsv(204, 23%, 34%)
CMYKcmyk(23.3%, 9.3%, 0%, 66.3%)
CIE-LABlab(32.43, -2.73, -6.30)
CIE-LCHlch(32.43, 6.86, 246.57°)
OKLaboklab(41.64% -0.011 -0.0171)
OKLCHoklch(41.64% 0.02 237.2)
XYZxyz(6.6504, 7.2787, 9.8568)
Luminance0.0728 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424E56 #564A42
analogous
#425654 #424E56 #424456
triadic
#424E56 #56424E #4E5642
tetradic
#424E56 #544256 #564A42 #445642
square
#424E56 #544256 #564A42 #445642
split-complementary
#424E56 #564244 #565442
monochromatic
#0D1011 #272F33 #424E56 #5D6D79 #7A8C99

Accessibility & contrast

On white

8.55
#424E56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#424E56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E56
8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424E56#FFFFFF#000000##FFFFFF
##424E561.008.552.468.55
#FFFFFF8.551.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B4E56
Deuteranopia (green-blind)
#484B56
Tritanopia (blue-blind)
#3C5050
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #424e56;
/* rgb */ color: rgb(66, 78, 86);
/* oklch */ color: oklch(41.6% 0.020 237.2);
Tailwind
colors: {
  custom: {
    50: '#767f85',
    500: '#424e56',
    950: '#000000',
  },
}
SCSS
$custom: #424e56;
$custom-light: #767f85;
$custom-dark: #000000;
JSON
{
  "hex": "#424e56",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 86
  },
  "hsl": {
    "h": 204,
    "s": 13.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41644,
    "c": 0.02034,
    "h": 237.2
  },
  "luminance": 0.07279
}

Semantic roles & 50–950 ramp

primary
#424E56
secondary
#85786F
accent
#8D72B6
background
#F7F7F8
surface
#EDEEEF
border
#C8C9CA
text
#080A0B
muted
#7B7C7C

Preview Lab

Preview with #424E56

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

Preview Lab → · Contrast checker → · Palette generator →

#424E56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva