#123B72#123B72

#123B72 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.105 H 257.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX#123B72
RGBrgb(18, 59, 114)
HSLhsl(214, 73%, 26%)
HSVhsv(214, 84%, 45%)
CMYKcmyk(84.2%, 48.2%, 0%, 55.3%)
CIE-LABlab(25.17, 7.99, -35.70)
CIE-LCHlch(25.17, 36.58, 282.62°)
OKLaboklab(35.72% -0.0233 -0.1025)
OKLCHoklch(35.72% 0.105 257.2)
XYZxyz(4.8496, 4.4708, 16.5237)
Luminance0.0447 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123B72 #724912
analogous
#126B72 #123B72 #191272
triadic
#123B72 #72123B #3B7212
tetradic
#123B72 #72126B #724912 #127219
square
#123B72 #72126B #724912 #127219
split-complementary
#123B72 #721912 #6B7212
monochromatic
#040E1A #0A203D #123B72 #1A56A7 #2372DC

Accessibility & contrast

On white

11.09
#123B72 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#123B72 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B72
11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123B72#FFFFFF#000000##FFFFFF
##123B721.0011.091.8911.09
#FFFFFF11.091.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D4074
Deuteranopia (green-blind)
#053871
Tritanopia (blue-blind)
#004851
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #123b72;
/* rgb */ color: rgb(18, 59, 114);
/* oklch */ color: oklch(35.7% 0.105 257.2);
Tailwind
colors: {
  custom: {
    50: '#61709b',
    500: '#123b72',
    950: '#000000',
  },
}
SCSS
$custom: #123b72;
$custom-light: #61709b;
$custom-dark: #000000;
JSON
{
  "hex": "#123b72",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 214.375,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35723,
    "c": 0.1051,
    "h": 257.2
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary
#123B72
secondary
#A97837
accent
#A138EF
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #123B72

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

Preview Lab → · Contrast checker → · Palette generator →

#123B72 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva