#1F4331#1F4331

#1F4331 is a dark, muted teal. Relative luminance 0.045; OKLCH L 35.0% C 0.053 H 160.2°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX#1F4331
RGBrgb(31, 67, 49)
HSLhsl(150, 37%, 19%)
HSVhsv(150, 54%, 26%)
CMYKcmyk(53.7%, 0%, 26.9%, 73.7%)
CIE-LABlab(25.34, -18.00, 7.00)
CIE-LCHlch(25.34, 19.31, 158.73°)
OKLaboklab(35% -0.0496 0.0179)
OKLCHoklch(35% 0.053 160.2)
XYZxyz(3.1264, 4.5271, 3.6142)
Luminance0.0453 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F4331 #431F31
analogous
#1F431F #1F4331 #1F4343
triadic
#1F4331 #311F43 #43311F
tetradic
#1F4331 #1F1F43 #431F31 #43431F
square
#1F4331 #1F1F43 #431F31 #43431F
split-complementary
#1F4331 #431F43 #431F1F
monochromatic
#0A150F #0C1912 #1F4331 #326D50 #46976E

Accessibility & contrast

On white

11.02
#1F4331 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#1F4331 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4331
11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F4331#FFFFFF#000000##FFFFFF
##1F43311.0011.021.9111.02
#FFFFFF11.021.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#423E30
Deuteranopia (green-blind)
#3D3B32
Tritanopia (blue-blind)
#15433E
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #1f4331;
/* rgb */ color: rgb(31, 67, 49);
/* oklch */ color: oklch(35.0% 0.053 160.2);
Tailwind
colors: {
  custom: {
    50: '#5d7769',
    500: '#1f4331',
    950: '#000000',
  },
}
SCSS
$custom: #1f4331;
$custom-light: #5d7769;
$custom-dark: #000000;
JSON
{
  "hex": "#1f4331",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 150,
    "s": 36.735,
    "l": 19.216
  },
  "oklch": {
    "l": 0.35003,
    "c": 0.05278,
    "h": 160.2
  },
  "luminance": 0.04527
}

Semantic roles & 50–950 ramp

primary
#1F4331
secondary
#77465F
accent
#5B94CD
background
#F5F7F6
surface
#E9EDEB
border
#C5C8C6
text
#040806
muted
#797B7A

Preview Lab

Preview with #1F4331

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

Preview Lab → · Contrast checker → · Palette generator →

#1F4331 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva