#123B2E#123B2E

#123B2E is a dark, muted teal. Relative luminance 0.035; OKLCH L 31.9% C 0.052 H 168.9°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX#123B2E
RGBrgb(18, 59, 46)
HSLhsl(161, 53%, 15%)
HSVhsv(161, 69%, 23%)
CMYKcmyk(69.5%, 0%, 22%, 76.9%)
CIE-LABlab(21.78, -18.07, 3.87)
CIE-LCHlch(21.78, 18.48, 167.92°)
OKLaboklab(31.92% -0.0506 0.0099)
OKLCHoklch(31.92% 0.052 168.9)
XYZxyz(2.3063, 3.4536, 3.1293)
Luminance0.0345 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123B2E #3B121F
analogous
#123B1A #123B2E #12333B
triadic
#123B2E #2E123B #3B2E12
tetradic
#123B2E #1A123B #3B121F #333B12
square
#123B2E #1A123B #3B121F #333B12
split-complementary
#123B2E #3B1233 #3B1A12
monochromatic
#071712 #071712 #123B2E #206A53 #2F9977

Accessibility & contrast

On white

12.42
#123B2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#123B2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B2E
12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123B2E#FFFFFF#000000##FFFFFF
##123B2E1.0012.421.6912.42
#FFFFFF12.421.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#39372D
Deuteranopia (green-blind)
#33322F
Tritanopia (blue-blind)
#003B37
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #123b2e;
/* rgb */ color: rgb(18, 59, 46);
/* oklch */ color: oklch(31.9% 0.052 168.9);
Tailwind
colors: {
  custom: {
    50: '#557166',
    500: '#123b2e',
    950: '#000000',
  },
}
SCSS
$custom: #123b2e;
$custom-light: #557166;
$custom-dark: #000000;
JSON
{
  "hex": "#123b2e",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 46
  },
  "hsl": {
    "h": 160.976,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.31921,
    "c": 0.05152,
    "h": 168.9
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary
#123B2E
secondary
#743549
accent
#4B79DD
background
#F5F6F6
surface
#E9ECEB
border
#C5C7C6
text
#030706
muted
#787A7A

Preview Lab

Preview with #123B2E

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

Preview Lab → · Contrast checker → · Palette generator →

#123B2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva