#1D545B#1D545B

#1D545B is a dark, muted teal. Relative luminance 0.074; OKLCH L 41.3% C 0.058 H 206.9°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX#1D545B
RGBrgb(29, 84, 91)
HSLhsl(187, 52%, 24%)
HSVhsv(187, 68%, 36%)
CMYKcmyk(68.1%, 7.7%, 0%, 64.3%)
CIE-LABlab(32.61, -15.36, -9.41)
CIE-LCHlch(32.61, 18.01, 211.49°)
OKLaboklab(41.31% -0.0514 -0.0261)
OKLCHoklch(41.31% 0.058 206.9)
XYZxyz(5.5645, 7.3566, 11.0222)
Luminance0.0736 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D545B #5B241D
analogous
#1D5B43 #1D545B #1D355B
triadic
#1D545B #5B1D54 #545B1D
tetradic
#1D545B #431D5B #5B241D #355B1D
square
#1D545B #431D5B #5B241D #355B1D
split-complementary
#1D545B #5B1D35 #5B431D
monochromatic
#071517 #0E292D #1D545B #2C7F89 #3BAAB8

Accessibility & contrast

On white

8.50
#1D545B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#1D545B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D545B
8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D545B#FFFFFF#000000##FFFFFF
##1D545B1.008.502.478.50
#FFFFFF8.501.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D515B
Deuteranopia (green-blind)
#444A5B
Tritanopia (blue-blind)
#005856
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1d545b;
/* rgb */ color: rgb(29, 84, 91);
/* oklch */ color: oklch(41.3% 0.058 206.9);
Tailwind
colors: {
  custom: {
    50: '#628489',
    500: '#1d545b',
    950: '#000000',
  },
}
SCSS
$custom: #1d545b;
$custom-light: #628489;
$custom-dark: #000000;
JSON
{
  "hex": "#1d545b",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 91
  },
  "hsl": {
    "h": 186.774,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.41309,
    "c": 0.05766,
    "h": 206.9
  },
  "luminance": 0.07357
}

Semantic roles & 50–950 ramp

primary
#1D545B
secondary
#904C44
accent
#5D4DDB
background
#F6F8F8
surface
#EBEFF0
border
#C6CACB
text
#050B0B
muted
#7A7C7C

Preview Lab

Preview with #1D545B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D545B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva