#123731#123731

#123731 is a dark, muted teal. Relative luminance 0.031; OKLCH L 30.8% C 0.044 H 181.0°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX#123731
RGBrgb(18, 55, 49)
HSLhsl(170, 51%, 14%)
HSVhsv(170, 67%, 22%)
CMYKcmyk(67.3%, 0%, 10.9%, 78.4%)
CIE-LABlab(20.37, -14.93, -0.18)
CIE-LCHlch(20.37, 14.93, 180.70°)
OKLaboklab(30.81% -0.0435 -0.0007)
OKLCHoklch(30.81% 0.044 181)
XYZxyz(2.1698, 3.0825, 3.3858)
Luminance0.0308 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123731 #371218
analogous
#12371F #123731 #122B37
triadic
#123731 #311237 #373112
tetradic
#123731 #1F1237 #371218 #2B3712
square
#123731 #1F1237 #371218 #2B3712
split-complementary
#123731 #37122B #371F12
monochromatic
#081715 #081715 #123731 #21655A #309383

Accessibility & contrast

On white

12.99
#123731 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.62
#123731 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123731
12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123731#FFFFFF#000000##FFFFFF
##1237311.0012.991.6212.99
#FFFFFF12.991.0021.001.00
#0000001.6221.001.0021.00
##FFFFFF12.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343431
Deuteranopia (green-blind)
#2F2F32
Tritanopia (blue-blind)
#003835
Achromatopsia (no color)
#313131

Design tokens & code

CSS
--color: #123731;
/* rgb */ color: rgb(18, 55, 49);
/* oklch */ color: oklch(30.8% 0.044 181.0);
Tailwind
colors: {
  custom: {
    50: '#556e69',
    500: '#123731',
    950: '#000000',
  },
}
SCSS
$custom: #123731;
$custom-light: #556e69;
$custom-dark: #000000;
JSON
{
  "hex": "#123731",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 170.27,
    "s": 50.685,
    "l": 14.314
  },
  "oklch": {
    "l": 0.30809,
    "c": 0.04352,
    "h": 181
  },
  "luminance": 0.03083
}

Semantic roles & 50–950 ramp

primary
#123731
secondary
#70353F
accent
#4E64DA
background
#F5F6F6
surface
#E9EBEB
border
#C5C6C6
text
#030706
muted
#787A7A

Preview Lab

Preview with #123731

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

Preview Lab → · Contrast checker → · Palette generator →

#123731 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva