#1B595A#1B595A

#1B595A is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.6% C 0.062 H 196.6°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#1B595A
RGBrgb(27, 89, 90)
HSLhsl(181, 54%, 23%)
HSVhsv(181, 70%, 35%)
CMYKcmyk(70%, 1.1%, 0%, 64.7%)
CIE-LABlab(34.22, -18.85, -6.36)
CIE-LCHlch(34.22, 19.89, 198.63°)
OKLaboklab(42.59% -0.059 -0.0176)
OKLCHoklch(42.59% 0.062 196.6)
XYZxyz(5.8690, 8.1153, 10.9280)
Luminance0.0812 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B595A #5A1C1B
analogous
#1B5A3B #1B595A #1B395A
triadic
#1B595A #5A1B59 #595A1B
tetradic
#1B595A #3B1B5A #5A1C1B #395A1B
square
#1B595A #3B1B5A #5A1C1B #395A1B
split-complementary
#1B595A #5A1B39 #5A3B1B
monochromatic
#071718 #0D2A2B #1B595A #298889 #37B6B8

Accessibility & contrast

On white

8.01
#1B595A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#1B595A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B595A
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B595A#FFFFFF#000000##FFFFFF
##1B595A1.008.012.628.01
#FFFFFF8.011.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53555A
Deuteranopia (green-blind)
#494D5A
Tritanopia (blue-blind)
#005C59
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1b595a;
/* rgb */ color: rgb(27, 89, 90);
/* oklch */ color: oklch(42.6% 0.062 196.6);
Tailwind
colors: {
  custom: {
    50: '#618888',
    500: '#1b595a',
    950: '#000000',
  },
}
SCSS
$custom: #1b595a;
$custom-light: #618888;
$custom-dark: #000000;
JSON
{
  "hex": "#1b595a",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 90
  },
  "hsl": {
    "h": 180.952,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42586,
    "c": 0.06161,
    "h": 196.6
  },
  "luminance": 0.08116
}

Semantic roles & 50–950 ramp

primary
#1B595A
secondary
#904241
accent
#4D4BDD
background
#F6F8F8
surface
#EBEFEF
border
#C6CACA
text
#050B0B
muted
#7A7C7C

Preview Lab

Preview with #1B595A

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

Preview Lab → · Contrast checker → · Palette generator →

#1B595A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva