#42576A#42576A

#42576A is a dark, muted cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.041 H 246.2°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#42576A
RGBrgb(66, 87, 106)
HSLhsl(209, 23%, 34%)
HSVhsv(209, 38%, 42%)
CMYKcmyk(37.7%, 17.9%, 0%, 58.4%)
CIE-LABlab(36.01, -2.76, -13.47)
CIE-LCHlch(36.01, 13.75, 258.42°)
OKLaboklab(44.72% -0.0164 -0.0371)
OKLCHoklch(44.72% 0.041 246.2)
XYZxyz(8.2557, 9.0148, 14.9379)
Luminance0.0901 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42576A #6A5542
analogous
#426A69 #42576A #42436A
triadic
#42576A #6A4257 #576A42
tetradic
#42576A #69426A #6A5542 #436A42
square
#42576A #69426A #6A5542 #436A42
split-complementary
#42576A #6A4243 #6A6942
monochromatic
#13191F #2B3844 #42576A #597690 #7A94AC

Accessibility & contrast

On white

7.49
#42576A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#42576A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42576A
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42576A#FFFFFF#000000##FFFFFF
##42576A1.007.492.807.49
#FFFFFF7.491.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F576B
Deuteranopia (green-blind)
#4A536A
Tritanopia (blue-blind)
#355B5D
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #42576a;
/* rgb */ color: rgb(66, 87, 106);
/* oklch */ color: oklch(44.7% 0.041 246.2);
Tailwind
colors: {
  custom: {
    50: '#788694',
    500: '#42576a',
    950: '#000000',
  },
}
SCSS
$custom: #42576a;
$custom-light: #788694;
$custom-dark: #000000;
JSON
{
  "hex": "#42576a",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 106
  },
  "hsl": {
    "h": 208.5,
    "s": 23.256,
    "l": 33.725
  },
  "oklch": {
    "l": 0.44717,
    "c": 0.04059,
    "h": 246.2
  },
  "luminance": 0.09015
}

Semantic roles & 50–950 ramp

primary
#42576A
secondary
#988370
accent
#9268C0
background
#F7F8F9
surface
#EDEFF1
border
#C8CACB
text
#090B0D
muted
#7B7C7E

Preview Lab

Preview with #42576A

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

Preview Lab → · Contrast checker → · Palette generator →

#42576A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva