#0B4552#0B4552

#0B4552 is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.2% C 0.060 H 217.1°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#0B4552
RGBrgb(11, 69, 82)
HSLhsl(191, 76%, 18%)
HSVhsv(191, 87%, 32%)
CMYKcmyk(86.6%, 15.9%, 0%, 67.8%)
CIE-LABlab(26.55, -12.62, -12.89)
CIE-LCHlch(26.55, 18.04, 225.61°)
OKLaboklab(36.18% -0.0476 -0.036)
OKLCHoklch(36.18% 0.06 217.1)
XYZxyz(3.7885, 4.9361, 8.7341)
Luminance0.0494 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B4552 #52180B
analogous
#0B523B #0B4552 #0B2152
triadic
#0B4552 #520B45 #45520B
tetradic
#0B4552 #3B0B52 #52180B #21520B
square
#0B4552 #3B0B52 #52180B #21520B
split-complementary
#0B4552 #520B21 #523B0B
monochromatic
#04171B #04181C #0B4552 #127288 #19A0BE

Accessibility & contrast

On white

10.57
#0B4552 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#0B4552 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4552
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B4552#FFFFFF#000000##FFFFFF
##0B45521.0010.571.9910.57
#FFFFFF10.571.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C4353
Deuteranopia (green-blind)
#333C52
Tritanopia (blue-blind)
#004A49
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #0b4552;
/* rgb */ color: rgb(11, 69, 82);
/* oklch */ color: oklch(36.2% 0.060 217.1);
Tailwind
colors: {
  custom: {
    50: '#597882',
    500: '#0b4552',
    950: '#000000',
  },
}
SCSS
$custom: #0b4552;
$custom-light: #597882;
$custom-dark: #000000;
JSON
{
  "hex": "#0b4552",
  "rgb": {
    "r": 11,
    "g": 69,
    "b": 82
  },
  "hsl": {
    "h": 190.986,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.36177,
    "c": 0.05969,
    "h": 217.1
  },
  "luminance": 0.04937
}

Semantic roles & 50–950 ramp

primary
#0B4552
secondary
#8E3D2B
accent
#5835F3
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04090A
muted
#797B7C

Preview Lab

Preview with #0B4552

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

Preview Lab → · Contrast checker → · Palette generator →

#0B4552 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva