#18406C#18406C

#18406C is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.088 H 253.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX#18406C
RGBrgb(24, 64, 108)
HSLhsl(211, 64%, 26%)
HSVhsv(211, 78%, 42%)
CMYKcmyk(77.8%, 40.7%, 0%, 57.6%)
CIE-LABlab(26.57, 2.79, -29.62)
CIE-LCHlch(26.57, 29.75, 275.38°)
OKLaboklab(36.74% -0.0255 -0.0844)
OKLCHoklch(36.74% 0.088 253.2)
XYZxyz(4.9159, 4.9431, 14.8795)
Luminance0.0494 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18406C #6C4418
analogous
#186A6C #18406C #1A186C
triadic
#18406C #6C1840 #406C18
tetradic
#18406C #6C186A #6C4418 #186C1A
square
#18406C #6C186A #6C4418 #186C1A
split-complementary
#18406C #6C1A18 #6A6C18
monochromatic
#060F19 #0D223A #18406C #235E9E #2E7BD0

Accessibility & contrast

On white

10.56
#18406C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#18406C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18406C
10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18406C#FFFFFF#000000##FFFFFF
##18406C1.0010.561.9910.56
#FFFFFF10.561.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B436E
Deuteranopia (green-blind)
#1E3B6B
Tritanopia (blue-blind)
#004A50
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #18406c;
/* rgb */ color: rgb(24, 64, 108);
/* oklch */ color: oklch(36.7% 0.088 253.2);
Tailwind
colors: {
  custom: {
    50: '#627496',
    500: '#18406c',
    950: '#000000',
  },
}
SCSS
$custom: #18406c;
$custom-light: #627496;
$custom-dark: #000000;
JSON
{
  "hex": "#18406c",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 108
  },
  "hsl": {
    "h": 211.429,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3674,
    "c": 0.08822,
    "h": 253.2
  },
  "luminance": 0.04944
}

Semantic roles & 50–950 ramp

primary
#18406C
secondary
#A2723E
accent
#9841E7
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #18406C

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

Preview Lab → · Contrast checker → · Palette generator →

#18406C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva