#1B4F4E#1B4F4E

#1B4F4E is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.3% C 0.054 H 193.4°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX#1B4F4E
RGBrgb(27, 79, 78)
HSLhsl(179, 49%, 21%)
HSVhsv(179, 66%, 31%)
CMYKcmyk(65.8%, 0%, 1.3%, 69%)
CIE-LABlab(30.34, -17.23, -4.54)
CIE-LCHlch(30.34, 17.82, 194.77°)
OKLaboklab(39.3% -0.053 -0.0126)
OKLCHoklch(39.3% 0.054 193.4)
XYZxyz(4.6225, 6.3746, 8.1930)
Luminance0.0638 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4F4E #4F1B1C
analogous
#1B4F34 #1B4F4E #1B364F
triadic
#1B4F4E #4E1B4F #4F4E1B
tetradic
#1B4F4E #341B4F #4F1B1C #364F1B
square
#1B4F4E #341B4F #4F1B1C #364F1B
split-complementary
#1B4F4E #4F1B36 #4F341B
monochromatic
#081717 #0B2121 #1B4F4E #2B7D7B #3AAAA8

Accessibility & contrast

On white

9.23
#1B4F4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.28
#1B4F4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F4E
9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4F4E#FFFFFF#000000##FFFFFF
##1B4F4E1.009.232.289.23
#FFFFFF9.231.0021.001.00
#0000002.2821.001.0021.00
##FFFFFF9.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4B4E
Deuteranopia (green-blind)
#42454E
Tritanopia (blue-blind)
#00514F
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1b4f4e;
/* rgb */ color: rgb(27, 79, 78);
/* oklch */ color: oklch(39.3% 0.054 193.4);
Tailwind
colors: {
  custom: {
    50: '#5f807f',
    500: '#1b4f4e',
    950: '#000000',
  },
}
SCSS
$custom: #1b4f4e;
$custom-light: #5f807f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4f4e",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 78
  },
  "hsl": {
    "h": 178.846,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39303,
    "c": 0.05446,
    "h": 193.4
  },
  "luminance": 0.06375
}

Semantic roles & 50–950 ramp

primary
#1B4F4E
secondary
#854142
accent
#4F52D9
background
#F5F7F7
surface
#EAEEEE
border
#C6C9C9
text
#050A0A
muted
#797C7C

Preview Lab

Preview with #1B4F4E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4F4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva