#18456A#18456A

#18456A is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.080 H 246.9°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX#18456A
RGBrgb(24, 69, 106)
HSLhsl(207, 63%, 25%)
HSVhsv(207, 77%, 42%)
CMYKcmyk(77.4%, 34.9%, 0%, 58.4%)
CIE-LABlab(28.09, -1.38, -25.94)
CIE-LCHlch(28.09, 25.97, 266.94°)
OKLaboklab(37.89% -0.0313 -0.0736)
OKLCHoklch(37.89% 0.08 246.9)
XYZxyz(5.1053, 5.4905, 14.4236)
Luminance0.0549 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18456A #6A3D18
analogous
#186A66 #18456A #181C6A
triadic
#18456A #6A1845 #456A18
tetradic
#18456A #66186A #6A3D18 #1C6A18
square
#18456A #66186A #6A3D18 #1C6A18
split-complementary
#18456A #6A181C #6A6618
monochromatic
#061019 #0D2538 #18456A #23659C #2F86CE

Accessibility & contrast

On white

10.01
#18456A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#18456A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18456A
10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18456A#FFFFFF#000000##FFFFFF
##18456A1.0010.012.1010.01
#FFFFFF10.011.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#34476C
Deuteranopia (green-blind)
#293F69
Tritanopia (blue-blind)
#004E52
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #18456a;
/* rgb */ color: rgb(24, 69, 106);
/* oklch */ color: oklch(37.9% 0.080 246.9);
Tailwind
colors: {
  custom: {
    50: '#617895',
    500: '#18456a',
    950: '#000000',
  },
}
SCSS
$custom: #18456a;
$custom-light: #617895;
$custom-dark: #000000;
JSON
{
  "hex": "#18456a",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 106
  },
  "hsl": {
    "h": 207.073,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37891,
    "c": 0.07999,
    "h": 246.9
  },
  "luminance": 0.05491
}

Semantic roles & 50–950 ramp

primary
#18456A
secondary
#A06A3E
accent
#8C42E6
background
#F6F7F9
surface
#EBEDF1
border
#C6C8CB
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #18456A

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

Preview Lab → · Contrast checker → · Palette generator →

#18456A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva