#424E5A#424E5A

#424E5A is a dark, muted cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.025 H 248.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX#424E5A
RGBrgb(66, 78, 90)
HSLhsl(210, 15%, 31%)
HSVhsv(210, 27%, 35%)
CMYKcmyk(26.7%, 13.3%, 0%, 64.7%)
CIE-LABlab(32.58, -1.66, -8.62)
CIE-LCHlch(32.58, 8.78, 259.07°)
OKLaboklab(41.81% -0.0093 -0.0235)
OKLCHoklch(41.81% 0.025 248.4)
XYZxyz(6.8161, 7.3450, 10.7295)
Luminance0.0735 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424E5A #5A4E42
analogous
#425A5A #424E5A #42425A
triadic
#424E5A #5A424E #4E5A42
tetradic
#424E5A #5A425A #5A4E42 #425A42
square
#424E5A #5A425A #5A4E42 #425A42
split-complementary
#424E5A #5A4242 #5A5A42
monochromatic
#0E1113 #282F37 #424E5A #5C6D7D #798B9D

Accessibility & contrast

On white

8.51
#424E5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#424E5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E5A
8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424E5A#FFFFFF#000000##FFFFFF
##424E5A1.008.512.478.51
#FFFFFF8.511.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#494E5B
Deuteranopia (green-blind)
#474C5A
Tritanopia (blue-blind)
#3B5152
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #424e5a;
/* rgb */ color: rgb(66, 78, 90);
/* oklch */ color: oklch(41.8% 0.025 248.4);
Tailwind
colors: {
  custom: {
    50: '#777f88',
    500: '#424e5a',
    950: '#000000',
  },
}
SCSS
$custom: #424e5a;
$custom-light: #777f88;
$custom-dark: #000000;
JSON
{
  "hex": "#424e5a",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 90
  },
  "hsl": {
    "h": 210,
    "s": 15.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41808,
    "c": 0.02528,
    "h": 248.4
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary
#424E5A
secondary
#897C6F
accent
#9470B8
background
#F7F7F8
surface
#EDEEEF
border
#C8C9CA
text
#080A0B
muted
#7B7C7C

Preview Lab

Preview with #424E5A

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

Preview Lab → · Contrast checker → · Palette generator →

#424E5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva