#1B5A4D#1B5A4D

#1B5A4D is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.067 H 176.5°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#1B5A4D
RGBrgb(27, 90, 77)
HSLhsl(168, 54%, 23%)
HSVhsv(168, 70%, 35%)
CMYKcmyk(70%, 0%, 14.4%, 64.7%)
CIE-LABlab(34.15, -23.39, 1.69)
CIE-LCHlch(34.15, 23.45, 175.87°)
OKLaboklab(42.39% -0.0669 0.0041)
OKLCHoklch(42.39% 0.067 176.5)
XYZxyz(5.4471, 8.0806, 8.2924)
Luminance0.0808 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5A4D #5A1B28
analogous
#1B5A2D #1B5A4D #1B475A
triadic
#1B5A4D #4D1B5A #5A4D1B
tetradic
#1B5A4D #2D1B5A #5A1B28 #475A1B
square
#1B5A4D #2D1B5A #5A1B28 #475A1B
split-complementary
#1B5A4D #5A1B47 #5A2D1B
monochromatic
#071814 #0D2B25 #1B5A4D #298975 #37B89E

Accessibility & contrast

On white

8.03
#1B5A4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#1B5A4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A4D
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5A4D#FFFFFF#000000##FFFFFF
##1B5A4D1.008.032.628.03
#FFFFFF8.031.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56544C
Deuteranopia (green-blind)
#4D4E4E
Tritanopia (blue-blind)
#005B56
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1b5a4d;
/* rgb */ color: rgb(27, 90, 77);
/* oklch */ color: oklch(42.4% 0.067 176.5);
Tailwind
colors: {
  custom: {
    50: '#61897e',
    500: '#1b5a4d',
    950: '#000000',
  },
}
SCSS
$custom: #1b5a4d;
$custom-light: #61897e;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5a4d",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 77
  },
  "hsl": {
    "h": 167.619,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42389,
    "c": 0.06702,
    "h": 176.5
  },
  "luminance": 0.08081
}

Semantic roles & 50–950 ramp

primary
#1B5A4D
secondary
#904151
accent
#4B69DD
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#050B0A
muted
#7A7C7C

Preview Lab

Preview with #1B5A4D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5A4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva