#0B3138#0B3138

#0B3138 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.0% C 0.043 H 212.3°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX#0B3138
RGBrgb(11, 49, 56)
HSLhsl(189, 67%, 13%)
HSVhsv(189, 80%, 22%)
CMYKcmyk(80.4%, 12.5%, 0%, 78%)
CIE-LABlab(18.16, -10.35, -8.31)
CIE-LCHlch(18.16, 13.28, 218.75°)
OKLaboklab(29.04% -0.0365 -0.0231)
OKLCHoklch(29.04% 0.043 212.3)
XYZxyz(1.9498, 2.5531, 4.1306)
Luminance0.0255 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B3138 #38120B
analogous
#0B3828 #0B3138 #0B1A38
triadic
#0B3138 #380B31 #31380B
tetradic
#0B3138 #280B38 #38120B #1A380B
square
#0B3138 #280B38 #38120B #1A380B
split-complementary
#0B3138 #380B1A #38280B
monochromatic
#05161A #05161A #0B3138 #155E6B #1F8B9E

Accessibility & contrast

On white

13.90
#0B3138 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.51
#0B3138 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3138
13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B3138#FFFFFF#000000##FFFFFF
##0B31381.0013.901.5113.90
#FFFFFF13.901.0021.001.00
#0000001.5121.001.0021.00
##FFFFFF13.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C2F38
Deuteranopia (green-blind)
#252A38
Tritanopia (blue-blind)
#003433
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #0b3138;
/* rgb */ color: rgb(11, 49, 56);
/* oklch */ color: oklch(29.0% 0.043 212.3);
Tailwind
colors: {
  custom: {
    50: '#52696e',
    500: '#0b3138',
    950: '#000000',
  },
}
SCSS
$custom: #0b3138;
$custom-light: #52696e;
$custom-dark: #000000;
JSON
{
  "hex": "#0b3138",
  "rgb": {
    "r": 11,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 189.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2904,
    "c": 0.04323,
    "h": 212.3
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary
#0B3138
secondary
#75362A
accent
#593EEA
background
#F4F6F6
surface
#E7EBEB
border
#C3C6C6
text
#020607
muted
#787A7A

Preview Lab

Preview with #0B3138

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

Preview Lab → · Contrast checker → · Palette generator →

#0B3138 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva