#1B4331#1B4331

#1B4331 is a dark, muted teal. Relative luminance 0.045; OKLCH L 34.8% C 0.056 H 162.0°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX#1B4331
RGBrgb(27, 67, 49)
HSLhsl(153, 43%, 18%)
HSVhsv(153, 60%, 26%)
CMYKcmyk(59.7%, 0%, 26.9%, 73.7%)
CIE-LABlab(25.16, -19.18, 6.73)
CIE-LCHlch(25.16, 20.33, 160.67°)
OKLaboklab(34.81% -0.053 0.0172)
OKLCHoklch(34.81% 0.056 162)
XYZxyz(3.0133, 4.4688, 3.6089)
Luminance0.0447 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4331 #431B2D
analogous
#1B431D #1B4331 #1B4143
triadic
#1B4331 #311B43 #43311B
tetradic
#1B4331 #1D1B43 #431B2D #41431B
square
#1B4331 #1D1B43 #431B2D #41431B
split-complementary
#1B4331 #431B41 #431D1B
monochromatic
#091610 #091711 #1B4331 #2D6F51 #3E9A71

Accessibility & contrast

On white

11.09
#1B4331 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#1B4331 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4331
11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4331#FFFFFF#000000##FFFFFF
##1B43311.0011.091.8911.09
#FFFFFF11.091.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#423E30
Deuteranopia (green-blind)
#3C3A32
Tritanopia (blue-blind)
#0D433E
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #1b4331;
/* rgb */ color: rgb(27, 67, 49);
/* oklch */ color: oklch(34.8% 0.056 162.0);
Tailwind
colors: {
  custom: {
    50: '#5b7769',
    500: '#1b4331',
    950: '#000000',
  },
}
SCSS
$custom: #1b4331;
$custom-light: #5b7769;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4331",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 153,
    "s": 42.553,
    "l": 18.431
  },
  "oklch": {
    "l": 0.34808,
    "c": 0.05569,
    "h": 162
  },
  "luminance": 0.04469
}

Semantic roles & 50–950 ramp

primary
#1B4331
secondary
#79415A
accent
#558ED2
background
#F5F7F6
surface
#E9EDEB
border
#C5C8C6
text
#040806
muted
#797B7A

Preview Lab

Preview with #1B4331

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4331 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva