#283848#283848

#283848 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.4% C 0.035 H 248.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX#283848
RGBrgb(40, 56, 72)
HSLhsl(210, 29%, 22%)
HSVhsv(210, 44%, 28%)
CMYKcmyk(44.4%, 22.2%, 0%, 71.8%)
CIE-LABlab(22.82, -1.63, -11.92)
CIE-LCHlch(22.82, 12.03, 262.23°)
OKLaboklab(33.39% -0.0127 -0.033)
OKLCHoklch(33.39% 0.035 248.9)
XYZxyz(3.4586, 3.7471, 6.6707)
Luminance0.0375 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283848 #483828
analogous
#284848 #283848 #282848
triadic
#283848 #482838 #384828
tetradic
#283848 #482848 #483828 #284828
square
#283848 #482848 #483828 #284828
split-complementary
#283848 #482828 #484828
monochromatic
#0B0F14 #121921 #283848 #3E576F #547597

Accessibility & contrast

On white

12.00
#283848 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#283848 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283848
12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283848#FFFFFF#000000##FFFFFF
##2838481.0012.001.7512.00
#FFFFFF12.001.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323849
Deuteranopia (green-blind)
#2E3548
Tritanopia (blue-blind)
#1D3C3D
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #283848;
/* rgb */ color: rgb(40, 56, 72);
/* oklch */ color: oklch(33.4% 0.035 248.9);
Tailwind
colors: {
  custom: {
    50: '#636e7b',
    500: '#283848',
    950: '#000000',
  },
}
SCSS
$custom: #283848;
$custom-light: #636e7b;
$custom-dark: #000000;
JSON
{
  "hex": "#283848",
  "rgb": {
    "r": 40,
    "g": 56,
    "b": 72
  },
  "hsl": {
    "h": 210,
    "s": 28.571,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33385,
    "c": 0.03535,
    "h": 248.9
  },
  "luminance": 0.03747
}

Semantic roles & 50–950 ramp

primary
#283848
secondary
#7A6652
accent
#9463C5
background
#F6F6F7
surface
#EBEBED
border
#C6C6C8
text
#050709
muted
#7A7A7B

Preview Lab

Preview with #283848

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

Preview Lab → · Contrast checker → · Palette generator →

#283848 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva