#123B3D#123B3D

#123B3D is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.045 H 199.7°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX#123B3D
RGBrgb(18, 59, 61)
HSLhsl(183, 54%, 15%)
HSVhsv(183, 70%, 24%)
CMYKcmyk(70.5%, 3.3%, 0%, 76.1%)
CIE-LABlab(22.28, -13.28, -5.47)
CIE-LCHlch(22.28, 14.36, 202.39°)
OKLaboklab(32.5% -0.0423 -0.0151)
OKLCHoklch(32.5% 0.045 199.7)
XYZxyz(2.6554, 3.5932, 4.9676)
Luminance0.0359 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123B3D #3D1412
analogous
#123D29 #123B3D #12253D
triadic
#123B3D #3D123B #3B3D12
tetradic
#123B3D #29123D #3D1412 #253D12
square
#123B3D #29123D #3D1412 #253D12
split-complementary
#123B3D #3D1225 #3D2912
monochromatic
#071718 #071718 #123B3D #20696C #2E969C

Accessibility & contrast

On white

12.22
#123B3D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#123B3D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B3D
12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123B3D#FFFFFF#000000##FFFFFF
##123B3D1.0012.221.7212.22
#FFFFFF12.221.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#36383D
Deuteranopia (green-blind)
#30333D
Tritanopia (blue-blind)
#003D3B
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #123b3d;
/* rgb */ color: rgb(18, 59, 61);
/* oklch */ color: oklch(32.5% 0.045 199.7);
Tailwind
colors: {
  custom: {
    50: '#567172',
    500: '#123b3d',
    950: '#000000',
  },
}
SCSS
$custom: #123b3d;
$custom-light: #567172;
$custom-dark: #000000;
JSON
{
  "hex": "#123b3d",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 61
  },
  "hsl": {
    "h": 182.791,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32496,
    "c": 0.04493,
    "h": 199.7
  },
  "luminance": 0.03593
}

Semantic roles & 50–950 ramp

primary
#123B3D
secondary
#763835
accent
#514ADE
background
#F5F6F6
surface
#E9ECEC
border
#C5C7C7
text
#030708
muted
#787A7B

Preview Lab

Preview with #123B3D

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

Preview Lab → · Contrast checker → · Palette generator →

#123B3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva