#0B3841#0B3841

#0B3841 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.6% C 0.049 H 214.2°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX#0B3841
RGBrgb(11, 56, 65)
HSLhsl(190, 71%, 15%)
HSVhsv(190, 83%, 25%)
CMYKcmyk(83.1%, 13.8%, 0%, 74.5%)
CIE-LABlab(21.14, -11.25, -9.91)
CIE-LCHlch(21.14, 14.99, 221.37°)
OKLaboklab(31.57% -0.0407 -0.0276)
OKLCHoklch(31.57% 0.049 214.2)
XYZxyz(2.5059, 3.2809, 5.5012)
Luminance0.0328 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B3841 #41140B
analogous
#0B412F #0B3841 #0B1D41
triadic
#0B3841 #410B38 #38410B
tetradic
#0B3841 #2F0B41 #41140B #1D410B
square
#0B3841 #2F0B41 #41140B #1D410B
split-complementary
#0B3841 #410B1D #412F0B
monochromatic
#04171A #04171A #0B3841 #146575 #1D92AA

Accessibility & contrast

On white

12.68
#0B3841 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#0B3841 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3841
12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B3841#FFFFFF#000000##FFFFFF
##0B38411.0012.681.6612.68
#FFFFFF12.681.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323642
Deuteranopia (green-blind)
#2A3041
Tritanopia (blue-blind)
#003B3B
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #0b3841;
/* rgb */ color: rgb(11, 56, 65);
/* oklch */ color: oklch(31.6% 0.049 214.2);
Tailwind
colors: {
  custom: {
    50: '#546e75',
    500: '#0b3841',
    950: '#000000',
  },
}
SCSS
$custom: #0b3841;
$custom-light: #546e75;
$custom-dark: #000000;
JSON
{
  "hex": "#0b3841",
  "rgb": {
    "r": 11,
    "g": 56,
    "b": 65
  },
  "hsl": {
    "h": 190,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.31568,
    "c": 0.04916,
    "h": 214.2
  },
  "luminance": 0.03281
}

Semantic roles & 50–950 ramp

primary
#0B3841
secondary
#7E382A
accent
#583AEE
background
#F5F6F7
surface
#E9ECED
border
#C5C7C8
text
#030708
muted
#787A7B

Preview Lab

Preview with #0B3841

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

Preview Lab → · Contrast checker → · Palette generator →

#0B3841 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva