#0B3747#0B3747

#0B3747 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.6% C 0.054 H 227.1°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX#0B3747
RGBrgb(11, 55, 71)
HSLhsl(196, 73%, 16%)
HSVhsv(196, 85%, 28%)
CMYKcmyk(84.5%, 22.5%, 0%, 72.2%)
CIE-LABlab(21.05, -8.25, -14.09)
CIE-LCHlch(21.05, 16.32, 239.64°)
OKLaboklab(31.59% -0.0367 -0.0395)
OKLCHoklch(31.59% 0.054 227.1)
XYZxyz(2.6411, 3.2581, 6.4497)
Luminance0.0326 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B3747 #471B0B
analogous
#0B4739 #0B3747 #0B1947
triadic
#0B3747 #470B37 #37470B
tetradic
#0B3747 #390B47 #471B0B #19470B
square
#0B3747 #390B47 #471B0B #19470B
split-complementary
#0B3747 #470B19 #47390B
monochromatic
#04151A #04151A #0B3747 #13607C #1B89B1

Accessibility & contrast

On white

12.71
#0B3747 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#0B3747 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3747
12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B3747#FFFFFF#000000##FFFFFF
##0B37471.0012.711.6512.71
#FFFFFF12.711.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3648
Deuteranopia (green-blind)
#263047
Tritanopia (blue-blind)
#003C3C
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #0b3747;
/* rgb */ color: rgb(11, 55, 71);
/* oklch */ color: oklch(31.6% 0.054 227.1);
Tailwind
colors: {
  custom: {
    50: '#556d7a',
    500: '#0b3747',
    950: '#000000',
  },
}
SCSS
$custom: #0b3747;
$custom-light: #556d7a;
$custom-dark: #000000;
JSON
{
  "hex": "#0b3747",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 196,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31591,
    "c": 0.05394,
    "h": 227.1
  },
  "luminance": 0.03258
}

Semantic roles & 50–950 ramp

primary
#0B3747
secondary
#83422A
accent
#6938F0
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030709
muted
#787A7B

Preview Lab

Preview with #0B3747

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

Preview Lab → · Contrast checker → · Palette generator →

#0B3747 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva