#123C50#123C50

#123C50 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.057 H 232.9°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX#123C50
RGBrgb(18, 60, 80)
HSLhsl(199, 63%, 19%)
HSVhsv(199, 78%, 31%)
CMYKcmyk(77.5%, 25%, 0%, 68.6%)
CIE-LABlab(23.47, -6.80, -16.32)
CIE-LCHlch(23.47, 17.68, 247.38°)
OKLaboklab(33.73% -0.0346 -0.0458)
OKLCHoklch(33.73% 0.057 232.9)
XYZxyz(3.3127, 3.9391, 8.1736)
Luminance0.0394 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123C50 #502612
analogous
#125045 #123C50 #121D50
triadic
#123C50 #50123C #3C5012
tetradic
#123C50 #451250 #502612 #1D5012
square
#123C50 #451250 #502612 #1D5012
split-complementary
#123C50 #50121D #504512
monochromatic
#061319 #07171E #123C50 #1D6182 #2887B4

Accessibility & contrast

On white

11.74
#123C50 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#123C50 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C50
11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123C50#FFFFFF#000000##FFFFFF
##123C501.0011.741.7911.74
#FFFFFF11.741.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323B51
Deuteranopia (green-blind)
#2A3550
Tritanopia (blue-blind)
#004143
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #123c50;
/* rgb */ color: rgb(18, 60, 80);
/* oklch */ color: oklch(33.7% 0.057 232.9);
Tailwind
colors: {
  custom: {
    50: '#597181',
    500: '#123c50',
    950: '#000000',
  },
}
SCSS
$custom: #123c50;
$custom-light: #597181;
$custom-dark: #000000;
JSON
{
  "hex": "#123c50",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 80
  },
  "hsl": {
    "h": 199.355,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33727,
    "c": 0.05746,
    "h": 232.9
  },
  "luminance": 0.0394
}

Semantic roles & 50–950 ramp

primary
#123C50
secondary
#895035
accent
#7741E6
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #123C50

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

Preview Lab → · Contrast checker → · Palette generator →

#123C50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva