#123558#123558

#123558 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.074 H 251.2°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX#123558
RGBrgb(18, 53, 88)
HSLhsl(210, 66%, 21%)
HSVhsv(210, 80%, 35%)
CMYKcmyk(79.5%, 39.8%, 0%, 65.5%)
CIE-LABlab(21.50, 1.19, -24.70)
CIE-LCHlch(21.50, 24.72, 272.77°)
OKLaboklab(32.32% -0.0239 -0.0703)
OKLCHoklch(32.32% 0.074 251.2)
XYZxyz(3.2833, 3.3790, 9.7098)
Luminance0.0338 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123558 #583512
analogous
#125858 #123558 #121258
triadic
#123558 #581235 #355812
tetradic
#123558 #581258 #583512 #125812
square
#123558 #581258 #583512 #125812
split-complementary
#123558 #581212 #585812
monochromatic
#050F19 #081625 #123558 #1C548B #2772BE

Accessibility & contrast

On white

12.53
#123558 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#123558 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123558
12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123558#FFFFFF#000000##FFFFFF
##1235581.0012.531.6812.53
#FFFFFF12.531.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#253759
Deuteranopia (green-blind)
#1A3157
Tritanopia (blue-blind)
#003D42
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #123558;
/* rgb */ color: rgb(18, 53, 88);
/* oklch */ color: oklch(32.3% 0.074 251.2);
Tailwind
colors: {
  custom: {
    50: '#5b6b87',
    500: '#123558',
    950: '#000000',
  },
}
SCSS
$custom: #123558;
$custom-light: #5b6b87;
$custom-dark: #000000;
JSON
{
  "hex": "#123558",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 88
  },
  "hsl": {
    "h": 210,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32317,
    "c": 0.07424,
    "h": 251.2
  },
  "luminance": 0.03379
}

Semantic roles & 50–950 ramp

primary
#123558
secondary
#916335
accent
#943FE9
background
#F5F6F8
surface
#E9EBEF
border
#C5C6CA
text
#04060B
muted
#797A7C

Preview Lab

Preview with #123558

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

Preview Lab → · Contrast checker → · Palette generator →

#123558 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva