#1B574A#1B574A

#1B574A is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.4% C 0.065 H 175.8°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#1B574A
RGBrgb(27, 87, 74)
HSLhsl(167, 53%, 22%)
HSVhsv(167, 69%, 34%)
CMYKcmyk(69%, 0%, 14.9%, 65.9%)
CIE-LABlab(33.01, -22.73, 1.93)
CIE-LCHlch(33.01, 22.81, 175.16°)
OKLaboklab(41.43% -0.0649 0.0048)
OKLCHoklch(41.43% 0.065 175.8)
XYZxyz(5.0956, 7.5433, 7.6647)
Luminance0.0754 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B574A #571B28
analogous
#1B572C #1B574A #1B4657
triadic
#1B574A #4A1B57 #574A1B
tetradic
#1B574A #2C1B57 #571B28 #46571B
square
#1B574A #2C1B57 #571B28 #46571B
split-complementary
#1B574A #571B46 #572C1B
monochromatic
#071714 #0D2822 #1B574A #298672 #38B499

Accessibility & contrast

On white

8.37
#1B574A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#1B574A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B574A
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B574A#FFFFFF#000000##FFFFFF
##1B574A1.008.372.518.37
#FFFFFF8.371.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545149
Deuteranopia (green-blind)
#4B4B4B
Tritanopia (blue-blind)
#005853
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #1b574a;
/* rgb */ color: rgb(27, 87, 74);
/* oklch */ color: oklch(41.4% 0.065 175.8);
Tailwind
colors: {
  custom: {
    50: '#60877c',
    500: '#1b574a',
    950: '#000000',
  },
}
SCSS
$custom: #1b574a;
$custom-light: #60877c;
$custom-dark: #000000;
JSON
{
  "hex": "#1b574a",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 74
  },
  "hsl": {
    "h": 167,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41433,
    "c": 0.06504,
    "h": 175.8
  },
  "luminance": 0.07544
}

Semantic roles & 50–950 ramp

primary
#1B574A
secondary
#8D4151
accent
#4C6BDC
background
#F5F8F7
surface
#EAEFEE
border
#C6CAC9
text
#050B09
muted
#797C7B

Preview Lab

Preview with #1B574A

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

Preview Lab → · Contrast checker → · Palette generator →

#1B574A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva