#1B4530#1B4530

#1B4530 is a dark, moderate teal. Relative luminance 0.047; OKLCH L 35.4% C 0.060 H 159.2°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX#1B4530
RGBrgb(27, 69, 48)
HSLhsl(150, 44%, 19%)
HSVhsv(150, 61%, 27%)
CMYKcmyk(60.9%, 0%, 30.4%, 72.9%)
CIE-LABlab(25.87, -20.49, 8.36)
CIE-LCHlch(25.87, 22.13, 157.81°)
OKLaboklab(35.38% -0.0562 0.0213)
OKLCHoklch(35.38% 0.06 159.2)
XYZxyz(3.1134, 4.7024, 3.5393)
Luminance0.0470 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4530 #451B30
analogous
#1B451B #1B4530 #1B4545
triadic
#1B4530 #301B45 #45301B
tetradic
#1B4530 #1B1B45 #451B30 #45451B
square
#1B4530 #1B1B45 #451B30 #45451B
split-complementary
#1B4530 #451B45 #451B1B
monochromatic
#09160F #0A1911 #1B4530 #2C714F #3D9D6D

Accessibility & contrast

On white

10.82
#1B4530 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#1B4530 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4530
10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4530#FFFFFF#000000##FFFFFF
##1B45301.0010.821.9410.82
#FFFFFF10.821.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44402F
Deuteranopia (green-blind)
#3E3C31
Tritanopia (blue-blind)
#0D453F
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #1b4530;
/* rgb */ color: rgb(27, 69, 48);
/* oklch */ color: oklch(35.4% 0.060 159.2);
Tailwind
colors: {
  custom: {
    50: '#5b7968',
    500: '#1b4530',
    950: '#000000',
  },
}
SCSS
$custom: #1b4530;
$custom-light: #5b7968;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4530",
  "rgb": {
    "r": 27,
    "g": 69,
    "b": 48
  },
  "hsl": {
    "h": 150,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.35375,
    "c": 0.0601,
    "h": 159.2
  },
  "luminance": 0.04703
}

Semantic roles & 50–950 ramp

primary
#1B4530
secondary
#7B415E
accent
#5494D3
background
#F5F7F6
surface
#E9EDEB
border
#C5C8C6
text
#040906
muted
#797B7A

Preview Lab

Preview with #1B4530

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4530 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva