#0B2C3A#0B2C3A

#0B2C3A is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.045 H 229.9°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX#0B2C3A
RGBrgb(11, 44, 58)
HSLhsl(198, 68%, 14%)
HSVhsv(198, 81%, 23%)
CMYKcmyk(81%, 24.1%, 0%, 77.3%)
CIE-LABlab(16.39, -6.30, -12.40)
CIE-LCHlch(16.39, 13.91, 243.06°)
OKLaboklab(27.66% -0.0293 -0.0348)
OKLCHoklch(27.66% 0.045 229.9)
XYZxyz(1.8021, 2.1778, 4.3275)
Luminance0.0218 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B2C3A #3A190B
analogous
#0B3A30 #0B2C3A #0B143A
triadic
#0B2C3A #3A0B2C #2C3A0B
tetradic
#0B2C3A #300B3A #3A190B #143A0B
square
#0B2C3A #300B3A #3A190B #143A0B
split-complementary
#0B2C3A #3A0B14 #3A300B
monochromatic
#05141A #05141A #0B2C3A #15536D #1F7AA1

Accessibility & contrast

On white

14.63
#0B2C3A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#0B2C3A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2C3A
14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B2C3A#FFFFFF#000000##FFFFFF
##0B2C3A1.0014.631.4414.63
#FFFFFF14.631.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#252B3B
Deuteranopia (green-blind)
#1E273A
Tritanopia (blue-blind)
#003031
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #0b2c3a;
/* rgb */ color: rgb(11, 44, 58);
/* oklch */ color: oklch(27.7% 0.045 229.9);
Tailwind
colors: {
  custom: {
    50: '#516570',
    500: '#0b2c3a',
    950: '#000000',
  },
}
SCSS
$custom: #0b2c3a;
$custom-light: #516570;
$custom-dark: #000000;
JSON
{
  "hex": "#0b2c3a",
  "rgb": {
    "r": 11,
    "g": 44,
    "b": 58
  },
  "hsl": {
    "h": 197.872,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.27657,
    "c": 0.04547,
    "h": 229.9
  },
  "luminance": 0.02178
}

Semantic roles & 50–950 ramp

primary
#0B2C3A
secondary
#77412A
accent
#713DEB
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020507
muted
#787A7A

Preview Lab

Preview with #0B2C3A

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

Preview Lab → · Contrast checker → · Palette generator →

#0B2C3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva