#1B4E4F#1B4E4F

#1B4E4F is a dark, muted teal. Relative luminance 0.062; OKLCH L 39.1% C 0.054 H 197.0°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX#1B4E4F
RGBrgb(27, 78, 79)
HSLhsl(181, 49%, 21%)
HSVhsv(181, 66%, 31%)
CMYKcmyk(65.8%, 1.3%, 0%, 69%)
CIE-LABlab(30.02, -16.34, -5.65)
CIE-LCHlch(30.02, 17.29, 199.08°)
OKLaboklab(39.06% -0.0512 -0.0157)
OKLCHoklch(39.06% 0.054 197)
XYZxyz(4.5871, 6.2458, 8.3594)
Luminance0.0625 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4E4F #4F1C1B
analogous
#1B4F36 #1B4E4F #1B344F
triadic
#1B4E4F #4F1B4E #4E4F1B
tetradic
#1B4E4F #361B4F #4F1C1B #344F1B
square
#1B4E4F #361B4F #4F1C1B #344F1B
split-complementary
#1B4E4F #4F1B34 #4F361B
monochromatic
#081717 #0B2121 #1B4E4F #2B7B7D #3AA8AA

Accessibility & contrast

On white

9.34
#1B4E4F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#1B4E4F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E4F
9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4E4F#FFFFFF#000000##FFFFFF
##1B4E4F1.009.342.259.34
#FFFFFF9.341.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#494A4F
Deuteranopia (green-blind)
#40444F
Tritanopia (blue-blind)
#00514E
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1b4e4f;
/* rgb */ color: rgb(27, 78, 79);
/* oklch */ color: oklch(39.1% 0.054 197.0);
Tailwind
colors: {
  custom: {
    50: '#5f7f80',
    500: '#1b4e4f',
    950: '#000000',
  },
}
SCSS
$custom: #1b4e4f;
$custom-light: #5f7f80;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4e4f",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 79
  },
  "hsl": {
    "h": 181.154,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39061,
    "c": 0.05357,
    "h": 197
  },
  "luminance": 0.06246
}

Semantic roles & 50–950 ramp

primary
#1B4E4F
secondary
#854241
accent
#524FD9
background
#F5F7F7
surface
#EAEEEE
border
#C6C9C9
text
#050A0A
muted
#797C7C

Preview Lab

Preview with #1B4E4F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4E4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva