#123C69#123C69

#123C69 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.091 H 253.2°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX#123C69
RGBrgb(18, 60, 105)
HSLhsl(211, 71%, 24%)
HSVhsv(211, 83%, 41%)
CMYKcmyk(82.9%, 42.9%, 0%, 58.8%)
CIE-LABlab(24.89, 3.48, -30.39)
CIE-LCHlch(24.89, 30.58, 276.53°)
OKLaboklab(35.31% -0.0263 -0.0868)
OKLCHoklch(35.31% 0.091 253.2)
XYZxyz(4.4142, 4.3797, 13.9746)
Luminance0.0438 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123C69 #693F12
analogous
#126869 #123C69 #131269
triadic
#123C69 #69123C #3C6912
tetradic
#123C69 #691268 #693F12 #126913
square
#123C69 #691268 #693F12 #126913
split-complementary
#123C69 #691312 #686912
monochromatic
#040F1A #091E35 #123C69 #1B5A9D #2478D1

Accessibility & contrast

On white

11.19
#123C69 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#123C69 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C69
11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123C69#FFFFFF#000000##FFFFFF
##123C691.0011.191.8811.19
#FFFFFF11.191.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#263F6B
Deuteranopia (green-blind)
#183768
Tritanopia (blue-blind)
#00474D
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #123c69;
/* rgb */ color: rgb(18, 60, 105);
/* oklch */ color: oklch(35.3% 0.091 253.2);
Tailwind
colors: {
  custom: {
    50: '#5f7194',
    500: '#123c69',
    950: '#000000',
  },
}
SCSS
$custom: #123c69;
$custom-light: #5f7194;
$custom-dark: #000000;
JSON
{
  "hex": "#123c69",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 105
  },
  "hsl": {
    "h": 211.034,
    "s": 70.732,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3531,
    "c": 0.09074,
    "h": 253.2
  },
  "luminance": 0.0438
}

Semantic roles & 50–950 ramp

primary
#123C69
secondary
#A16D36
accent
#973AED
background
#F5F6F9
surface
#EAECF1
border
#C6C7CB
text
#05070D
muted
#797A7E

Preview Lab

Preview with #123C69

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

Preview Lab → · Contrast checker → · Palette generator →

#123C69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva