#1B553E#1B553E

#1B553E is a dark, moderate teal. Relative luminance 0.071; OKLCH L 40.5% C 0.072 H 163.5°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX#1B553E
RGBrgb(27, 85, 62)
HSLhsl(156, 52%, 22%)
HSVhsv(156, 68%, 33%)
CMYKcmyk(68.2%, 0%, 27.1%, 66.7%)
CIE-LABlab(31.98, -25.01, 7.99)
CIE-LCHlch(31.98, 26.26, 162.28°)
OKLaboklab(40.48% -0.0689 0.0204)
OKLCHoklch(40.48% 0.072 163.5)
XYZxyz(4.5695, 7.0773, 5.6817)
Luminance0.0708 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B553E #551B32
analogous
#1B5521 #1B553E #1B4F55
triadic
#1B553E #3E1B55 #553E1B
tetradic
#1B553E #211B55 #551B32 #4F551B
square
#1B553E #211B55 #551B32 #4F551B
split-complementary
#1B553E #551B4F #55211B
monochromatic
#071711 #0C271C #1B553E #2A8360 #39B282

Accessibility & contrast

On white

8.69
#1B553E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#1B553E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B553E
8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B553E#FFFFFF#000000##FFFFFF
##1B553E1.008.692.428.69
#FFFFFF8.691.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534F3D
Deuteranopia (green-blind)
#4B493F
Tritanopia (blue-blind)
#00554F
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #1b553e;
/* rgb */ color: rgb(27, 85, 62);
/* oklch */ color: oklch(40.5% 0.072 163.5);
Tailwind
colors: {
  custom: {
    50: '#5f8573',
    500: '#1b553e',
    950: '#000000',
  },
}
SCSS
$custom: #1b553e;
$custom-light: #5f8573;
$custom-dark: #000000;
JSON
{
  "hex": "#1b553e",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 62
  },
  "hsl": {
    "h": 156.207,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40484,
    "c": 0.07186,
    "h": 163.5
  },
  "luminance": 0.07078
}

Semantic roles & 50–950 ramp

primary
#1B553E
secondary
#8B415E
accent
#4D85DB
background
#F5F8F6
surface
#EAEFEC
border
#C6CAC7
text
#050B08
muted
#797C7B

Preview Lab

Preview with #1B553E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B553E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva