#123C68#123C68

#123C68 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.089 H 252.7°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX#123C68
RGBrgb(18, 60, 104)
HSLhsl(211, 70%, 24%)
HSVhsv(211, 83%, 41%)
CMYKcmyk(82.7%, 42.3%, 0%, 59.2%)
CIE-LABlab(24.83, 3.06, -29.84)
CIE-LCHlch(24.83, 30.00, 275.85°)
OKLaboklab(35.24% -0.0265 -0.0853)
OKLCHoklch(35.24% 0.089 252.7)
XYZxyz(4.3631, 4.3593, 13.7055)
Luminance0.0436 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123C68 #683E12
analogous
#126768 #123C68 #131268
triadic
#123C68 #68123C #3C6812
tetradic
#123C68 #681267 #683E12 #126813
square
#123C68 #681267 #683E12 #126813
split-complementary
#123C68 #681312 #676812
monochromatic
#050F1A #091E34 #123C68 #1B5A9C #2478D0

Accessibility & contrast

On white

11.22
#123C68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#123C68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C68
11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123C68#FFFFFF#000000##FFFFFF
##123C681.0011.221.8711.22
#FFFFFF11.221.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#273F6A
Deuteranopia (green-blind)
#193767
Tritanopia (blue-blind)
#00464D
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #123c68;
/* rgb */ color: rgb(18, 60, 104);
/* oklch */ color: oklch(35.2% 0.089 252.7);
Tailwind
colors: {
  custom: {
    50: '#5f7193',
    500: '#123c68',
    950: '#000000',
  },
}
SCSS
$custom: #123c68;
$custom-light: #5f7193;
$custom-dark: #000000;
JSON
{
  "hex": "#123c68",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 104
  },
  "hsl": {
    "h": 210.698,
    "s": 70.492,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.08929,
    "h": 252.7
  },
  "luminance": 0.0436
}

Semantic roles & 50–950 ramp

primary
#123C68
secondary
#A06C36
accent
#963BED
background
#F5F6F9
surface
#EAECF1
border
#C6C7CB
text
#05070D
muted
#797A7E

Preview Lab

Preview with #123C68

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

Preview Lab → · Contrast checker → · Palette generator →

#123C68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva