#283038#283038

#283038 is a dark, near-neutral cyan. Relative luminance 0.029; OKLCH L 30.5% C 0.018 H 248.4°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX#283038
RGBrgb(40, 48, 56)
HSLhsl(210, 17%, 19%)
HSVhsv(210, 29%, 22%)
CMYKcmyk(28.6%, 14.3%, 0%, 78%)
CIE-LABlab(19.43, -1.21, -6.22)
CIE-LCHlch(19.43, 6.34, 259.02°)
OKLaboklab(30.5% -0.0067 -0.017)
OKLCHoklch(30.5% 0.018 248.4)
XYZxyz(2.6456, 2.8505, 4.1514)
Luminance0.0285 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283038 #383028
analogous
#283838 #283038 #282838
triadic
#283038 #382830 #303828
tetradic
#283038 #382838 #383028 #283828
square
#283038 #382838 #383028 #283828
split-complementary
#283038 #382828 #383828
monochromatic
#0D0F12 #0F1114 #283038 #424F5C #5B6D7F

Accessibility & contrast

On white

13.37
#283038 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.57
#283038 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283038
13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283038#FFFFFF#000000##FFFFFF
##2830381.0013.371.5713.37
#FFFFFF13.371.0021.001.00
#0000001.5721.001.0021.00
##FFFFFF13.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D3038
Deuteranopia (green-blind)
#2B2E38
Tritanopia (blue-blind)
#243233
Achromatopsia (no color)
#2F2F2F

Design tokens & code

CSS
--color: #283038;
/* rgb */ color: rgb(40, 48, 56);
/* oklch */ color: oklch(30.5% 0.018 248.4);
Tailwind
colors: {
  custom: {
    50: '#62686e',
    500: '#283038',
    950: '#000000',
  },
}
SCSS
$custom: #283038;
$custom-light: #62686e;
$custom-dark: #000000;
JSON
{
  "hex": "#283038",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 56
  },
  "hsl": {
    "h": 210,
    "s": 16.667,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30496,
    "c": 0.01824,
    "h": 248.4
  },
  "luminance": 0.02851
}

Semantic roles & 50–950 ramp

primary
#283038
secondary
#695E53
accent
#946EB9
background
#F5F6F6
surface
#EAEBEB
border
#C6C6C6
text
#050607
muted
#797A7A

Preview Lab

Preview with #283038

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

Preview Lab → · Contrast checker → · Palette generator →

#283038 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva