#283642#283642

#283642 is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.028 H 244.7°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX#283642
RGBrgb(40, 54, 66)
HSLhsl(208, 25%, 21%)
HSVhsv(208, 39%, 26%)
CMYKcmyk(39.4%, 18.2%, 0%, 74.1%)
CIE-LABlab(21.88, -2.21, -9.32)
CIE-LCHlch(21.88, 9.58, 256.64°)
OKLaboklab(32.56% -0.0121 -0.0256)
OKLCHoklch(32.56% 0.028 244.7)
XYZxyz(3.1773, 3.4826, 5.6580)
Luminance0.0348 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283642 #423428
analogous
#284241 #283642 #282942
triadic
#283642 #422836 #364228
tetradic
#283642 #412842 #423428 #294228
square
#283642 #412842 #423428 #294228
split-complementary
#283642 #422829 #424128
monochromatic
#0C1013 #11171C #283642 #3F5568 #56748E

Accessibility & contrast

On white

12.38
#283642 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#283642 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283642
12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283642#FFFFFF#000000##FFFFFF
##2836421.0012.381.7012.38
#FFFFFF12.381.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313643
Deuteranopia (green-blind)
#2E3342
Tritanopia (blue-blind)
#1F393A
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #283642;
/* rgb */ color: rgb(40, 54, 66);
/* oklch */ color: oklch(32.6% 0.028 244.7);
Tailwind
colors: {
  custom: {
    50: '#636c76',
    500: '#283642',
    950: '#000000',
  },
}
SCSS
$custom: #283642;
$custom-light: #636c76;
$custom-dark: #000000;
JSON
{
  "hex": "#283642",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 66
  },
  "hsl": {
    "h": 207.692,
    "s": 24.528,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32561,
    "c": 0.02837,
    "h": 244.7
  },
  "luminance": 0.03483
}

Semantic roles & 50–950 ramp

primary
#283642
secondary
#746252
accent
#9067C1
background
#F5F6F7
surface
#EAEBED
border
#C6C6C8
text
#050708
muted
#797A7B

Preview Lab

Preview with #283642

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

Preview Lab → · Contrast checker → · Palette generator →

#283642 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva