#1B5A4E#1B5A4E

#1B5A4E is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.066 H 177.8°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#1B5A4E
RGBrgb(27, 90, 78)
HSLhsl(169, 54%, 23%)
HSVhsv(169, 70%, 35%)
CMYKcmyk(70%, 0%, 13.3%, 64.7%)
CIE-LABlab(34.18, -23.10, 1.11)
CIE-LCHlch(34.18, 23.13, 177.26°)
OKLaboklab(42.42% -0.0664 0.0026)
OKLCHoklch(42.42% 0.066 177.8)
XYZxyz(5.4826, 8.0948, 8.4798)
Luminance0.0809 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5A4E #5A1B27
analogous
#1B5A2E #1B5A4E #1B465A
triadic
#1B5A4E #4E1B5A #5A4E1B
tetradic
#1B5A4E #2E1B5A #5A1B27 #465A1B
square
#1B5A4E #2E1B5A #5A1B27 #465A1B
split-complementary
#1B5A4E #5A1B46 #5A2E1B
monochromatic
#071814 #0D2B25 #1B5A4E #298977 #37B8A0

Accessibility & contrast

On white

8.02
#1B5A4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#1B5A4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A4E
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5A4E#FFFFFF#000000##FFFFFF
##1B5A4E1.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56544D
Deuteranopia (green-blind)
#4D4E4F
Tritanopia (blue-blind)
#005B56
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1b5a4e;
/* rgb */ color: rgb(27, 90, 78);
/* oklch */ color: oklch(42.4% 0.066 177.8);
Tailwind
colors: {
  custom: {
    50: '#61897f',
    500: '#1b5a4e',
    950: '#000000',
  },
}
SCSS
$custom: #1b5a4e;
$custom-light: #61897f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5a4e",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 78
  },
  "hsl": {
    "h": 168.571,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42423,
    "c": 0.06641,
    "h": 177.8
  },
  "luminance": 0.08095
}

Semantic roles & 50–950 ramp

primary
#1B5A4E
secondary
#904150
accent
#4B67DD
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#050B0A
muted
#7A7C7C

Preview Lab

Preview with #1B5A4E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5A4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva