#123F60#123F60

#123F60 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.075 H 244.7°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX#123F60
RGBrgb(18, 63, 96)
HSLhsl(205, 68%, 22%)
HSVhsv(205, 81%, 38%)
CMYKcmyk(81.3%, 34.4%, 0%, 62.4%)
CIE-LABlab(25.34, -2.32, -23.85)
CIE-LCHlch(25.34, 23.97, 264.44°)
OKLaboklab(35.49% -0.032 -0.0677)
OKLCHoklch(35.49% 0.075 244.7)
XYZxyz(4.1375, 4.5277, 11.7199)
Luminance0.0453 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123F60 #603312
analogous
#12605A #123F60 #121860
triadic
#123F60 #60123F #3F6012
tetradic
#123F60 #5A1260 #603312 #186012
square
#123F60 #5A1260 #603312 #186012
split-complementary
#123F60 #601218 #605A12
monochromatic
#05111A #081D2C #123F60 #1C6194 #2583C7

Accessibility & contrast

On white

11.02
#123F60 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#123F60 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F60
11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123F60#FFFFFF#000000##FFFFFF
##123F601.0011.021.9111.02
#FFFFFF11.021.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#304061
Deuteranopia (green-blind)
#25395F
Tritanopia (blue-blind)
#00474B
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #123f60;
/* rgb */ color: rgb(18, 63, 96);
/* oklch */ color: oklch(35.5% 0.075 244.7);
Tailwind
colors: {
  custom: {
    50: '#5d738d',
    500: '#123f60',
    950: '#000000',
  },
}
SCSS
$custom: #123f60;
$custom-light: #5d738d;
$custom-dark: #000000;
JSON
{
  "hex": "#123f60",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 96
  },
  "hsl": {
    "h": 205.385,
    "s": 68.421,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35492,
    "c": 0.07485,
    "h": 244.7
  },
  "luminance": 0.04528
}

Semantic roles & 50–950 ramp

primary
#123F60
secondary
#985F36
accent
#863DEB
background
#F5F7F8
surface
#E9EDF0
border
#C5C8CB
text
#05080C
muted
#797B7D

Preview Lab

Preview with #123F60

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

Preview Lab → · Contrast checker → · Palette generator →

#123F60 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva