#123455#123455

#123455 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.8% C 0.071 H 250.5°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX#123455
RGBrgb(18, 52, 85)
HSLhsl(210, 65%, 20%)
HSVhsv(210, 79%, 33%)
CMYKcmyk(78.8%, 38.8%, 0%, 66.7%)
CIE-LABlab(20.98, 0.63, -23.53)
CIE-LCHlch(20.98, 23.54, 271.54°)
OKLaboklab(31.85% -0.0237 -0.0669)
OKLCHoklch(31.85% 0.071 250.5)
XYZxyz(3.1165, 3.2401, 9.0537)
Luminance0.0324 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123455 #553312
analogous
#125554 #123455 #121255
triadic
#123455 #551234 #345512
tetradic
#123455 #541255 #553312 #125512
square
#123455 #541255 #553312 #125512
split-complementary
#123455 #551212 #555412
monochromatic
#050F19 #071522 #123455 #1D5388 #2772BA

Accessibility & contrast

On white

12.74
#123455 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#123455 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123455
12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123455#FFFFFF#000000##FFFFFF
##1234551.0012.741.6512.74
#FFFFFF12.741.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#253656
Deuteranopia (green-blind)
#1B3054
Tritanopia (blue-blind)
#003C40
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #123455;
/* rgb */ color: rgb(18, 52, 85);
/* oklch */ color: oklch(31.8% 0.071 250.5);
Tailwind
colors: {
  custom: {
    50: '#5a6b85',
    500: '#123455',
    950: '#000000',
  },
}
SCSS
$custom: #123455;
$custom-light: #5a6b85;
$custom-dark: #000000;
JSON
{
  "hex": "#123455",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 85
  },
  "hsl": {
    "h": 209.552,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31849,
    "c": 0.07099,
    "h": 250.5
  },
  "luminance": 0.0324
}

Semantic roles & 50–950 ramp

primary
#123455
secondary
#8E6135
accent
#9340E8
background
#F5F6F8
surface
#E9EBEF
border
#C5C6CA
text
#04060B
muted
#797A7C

Preview Lab

Preview with #123455

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

Preview Lab → · Contrast checker → · Palette generator →

#123455 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva