#123557#123557

#123557 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.073 H 250.6°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX#123557
RGBrgb(18, 53, 87)
HSLhsl(210, 66%, 21%)
HSVhsv(210, 79%, 34%)
CMYKcmyk(79.3%, 39.1%, 0%, 65.9%)
CIE-LABlab(21.44, 0.77, -24.13)
CIE-LCHlch(21.44, 24.14, 271.83°)
OKLaboklab(32.25% -0.0242 -0.0686)
OKLCHoklch(32.25% 0.073 250.6)
XYZxyz(3.2422, 3.3626, 9.4931)
Luminance0.0336 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123557 #573412
analogous
#125756 #123557 #121357
triadic
#123557 #571235 #355712
tetradic
#123557 #561257 #573412 #135712
square
#123557 #561257 #573412 #135712
split-complementary
#123557 #571213 #575612
monochromatic
#050F19 #081624 #123557 #1C548A #2773BC

Accessibility & contrast

On white

12.56
#123557 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#123557 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123557
12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123557#FFFFFF#000000##FFFFFF
##1235571.0012.561.6712.56
#FFFFFF12.561.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#253758
Deuteranopia (green-blind)
#1B3156
Tritanopia (blue-blind)
#003D41
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #123557;
/* rgb */ color: rgb(18, 53, 87);
/* oklch */ color: oklch(32.3% 0.073 250.6);
Tailwind
colors: {
  custom: {
    50: '#5b6b86',
    500: '#123557',
    950: '#000000',
  },
}
SCSS
$custom: #123557;
$custom-light: #5b6b86;
$custom-dark: #000000;
JSON
{
  "hex": "#123557",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 87
  },
  "hsl": {
    "h": 209.565,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3225,
    "c": 0.07278,
    "h": 250.6
  },
  "luminance": 0.03363
}

Semantic roles & 50–950 ramp

primary
#123557
secondary
#906235
accent
#933FE9
background
#F5F6F8
surface
#E9EBEF
border
#C5C6CA
text
#04060B
muted
#797A7C

Preview Lab

Preview with #123557

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

Preview Lab → · Contrast checker → · Palette generator →

#123557 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva