#123C6A#123C6A

#123C6A is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.092 H 253.6°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX#123C6A
RGBrgb(18, 60, 106)
HSLhsl(211, 71%, 24%)
HSVhsv(211, 83%, 42%)
CMYKcmyk(83%, 43.4%, 0%, 58.4%)
CIE-LABlab(24.95, 3.90, -30.93)
CIE-LCHlch(24.95, 31.17, 277.19°)
OKLaboklab(35.38% -0.026 -0.0884)
OKLCHoklch(35.38% 0.092 253.6)
XYZxyz(4.4659, 4.4004, 14.2469)
Luminance0.0440 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123C6A #6A4012
analogous
#12686A #123C6A #14126A
triadic
#123C6A #6A123C #3C6A12
tetradic
#123C6A #6A1268 #6A4012 #126A14
square
#123C6A #6A1268 #6A4012 #126A14
split-complementary
#123C6A #6A1412 #686A12
monochromatic
#040F1A #091E36 #123C6A #1B5A9E #2477D3

Accessibility & contrast

On white

11.17
#123C6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#123C6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C6A
11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123C6A#FFFFFF#000000##FFFFFF
##123C6A1.0011.171.8811.17
#FFFFFF11.171.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#26406C
Deuteranopia (green-blind)
#163869
Tritanopia (blue-blind)
#00474D
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #123c6a;
/* rgb */ color: rgb(18, 60, 106);
/* oklch */ color: oklch(35.4% 0.092 253.6);
Tailwind
colors: {
  custom: {
    50: '#5f7195',
    500: '#123c6a',
    950: '#000000',
  },
}
SCSS
$custom: #123c6a;
$custom-light: #5f7195;
$custom-dark: #000000;
JSON
{
  "hex": "#123c6a",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 106
  },
  "hsl": {
    "h": 211.364,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35381,
    "c": 0.09219,
    "h": 253.6
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary
#123C6A
secondary
#A26E36
accent
#983AEE
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#05070D
muted
#7A7A7E

Preview Lab

Preview with #123C6A

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

Preview Lab → · Contrast checker → · Palette generator →

#123C6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva