#123C3A#123C3A

#123C3A is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.7% C 0.046 H 190.7°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX#123C3A
RGBrgb(18, 60, 58)
HSLhsl(177, 54%, 15%)
HSVhsv(177, 70%, 24%)
CMYKcmyk(70%, 0%, 3.3%, 76.5%)
CIE-LABlab(22.53, -14.88, -3.07)
CIE-LCHlch(22.53, 15.20, 191.67°)
OKLaboklab(32.67% -0.0452 -0.0086)
OKLCHoklch(32.67% 0.046 190.7)
XYZxyz(2.6287, 3.6655, 4.5711)
Luminance0.0367 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123C3A #3C1214
analogous
#123C25 #123C3A #12293C
triadic
#123C3A #3A123C #3C3A12
tetradic
#123C3A #25123C #3C1214 #293C12
square
#123C3A #25123C #3C1214 #293C12
split-complementary
#123C3A #3C1229 #3C2512
monochromatic
#071817 #071817 #123C3A #206B68 #2E9A95

Accessibility & contrast

On white

12.12
#123C3A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#123C3A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C3A
12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123C3A#FFFFFF#000000##FFFFFF
##123C3A1.0012.121.7312.12
#FFFFFF12.121.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38393A
Deuteranopia (green-blind)
#32343A
Tritanopia (blue-blind)
#003E3B
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #123c3a;
/* rgb */ color: rgb(18, 60, 58);
/* oklch */ color: oklch(32.7% 0.046 190.7);
Tailwind
colors: {
  custom: {
    50: '#567270',
    500: '#123c3a',
    950: '#000000',
  },
}
SCSS
$custom: #123c3a;
$custom-light: #567270;
$custom-dark: #000000;
JSON
{
  "hex": "#123c3a",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 177.143,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.32665,
    "c": 0.04599,
    "h": 190.7
  },
  "luminance": 0.03666
}

Semantic roles & 50–950 ramp

primary
#123C3A
secondary
#753538
accent
#4B52DD
background
#F5F6F6
surface
#E9ECEC
border
#C5C7C7
text
#030807
muted
#787B7A

Preview Lab

Preview with #123C3A

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

Preview Lab → · Contrast checker → · Palette generator →

#123C3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva