#1B4E56#1B4E56

#1B4E56 is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.4% C 0.055 H 209.5°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX#1B4E56
RGBrgb(27, 78, 86)
HSLhsl(188, 52%, 22%)
HSVhsv(188, 69%, 34%)
CMYKcmyk(68.6%, 9.3%, 0%, 66.3%)
CIE-LABlab(30.29, -13.99, -9.74)
CIE-LCHlch(30.29, 17.05, 214.86°)
OKLaboklab(39.36% -0.0478 -0.027)
OKLCHoklch(39.36% 0.055 209.5)
XYZxyz(4.8554, 6.3532, 9.7727)
Luminance0.0635 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4E56 #56231B
analogous
#1B5641 #1B4E56 #1B3056
triadic
#1B4E56 #561B4E #4E561B
tetradic
#1B4E56 #411B56 #56231B #30561B
square
#1B4E56 #411B56 #56231B #30561B
split-complementary
#1B4E56 #561B30 #56411B
monochromatic
#071517 #0C2427 #1B4E56 #2A7885 #38A2B3

Accessibility & contrast

On white

9.25
#1B4E56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#1B4E56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E56
9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4E56#FFFFFF#000000##FFFFFF
##1B4E561.009.252.279.25
#FFFFFF9.251.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#474B57
Deuteranopia (green-blind)
#3E4556
Tritanopia (blue-blind)
#005250
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1b4e56;
/* rgb */ color: rgb(27, 78, 86);
/* oklch */ color: oklch(39.4% 0.055 209.5);
Tailwind
colors: {
  custom: {
    50: '#607f85',
    500: '#1b4e56',
    950: '#000000',
  },
}
SCSS
$custom: #1b4e56;
$custom-light: #607f85;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4e56",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 86
  },
  "hsl": {
    "h": 188.136,
    "s": 52.212,
    "l": 22.157
  },
  "oklch": {
    "l": 0.39359,
    "c": 0.05492,
    "h": 209.5
  },
  "luminance": 0.06354
}

Semantic roles & 50–950 ramp

primary
#1B4E56
secondary
#8C4B41
accent
#604CDC
background
#F5F7F8
surface
#EAEEEF
border
#C6C9CA
text
#050A0B
muted
#797C7C

Preview Lab

Preview with #1B4E56

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4E56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva