#18567B#18567B

#18567B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.3% C 0.086 H 240.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX#18567B
RGBrgb(24, 86, 123)
HSLhsl(202, 67%, 29%)
HSVhsv(202, 80%, 48%)
CMYKcmyk(80.5%, 30.1%, 0%, 51.8%)
CIE-LABlab(34.56, -5.60, -26.43)
CIE-LCHlch(34.56, 27.01, 258.04°)
OKLaboklab(43.3% -0.0433 -0.0748)
OKLCHoklch(43.3% 0.086 240)
XYZxyz(7.2782, 8.2790, 19.9495)
Luminance0.0828 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18567B #7B3D18
analogous
#187B6F #18567B #18257B
triadic
#18567B #7B1856 #567B18
tetradic
#18567B #6F187B #7B3D18 #257B18
square
#18567B #6F187B #7B3D18 #257B18
split-complementary
#18567B #7B1825 #7B6F18
monochromatic
#05121A #0E3248 #18567B #227AAE #369BD8

Accessibility & contrast

On white

7.91
#18567B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#18567B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18567B
7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18567B#FFFFFF#000000##FFFFFF
##18567B1.007.912.667.91
#FFFFFF7.911.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#45567D
Deuteranopia (green-blind)
#374D7A
Tritanopia (blue-blind)
#005F63
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #18567b;
/* rgb */ color: rgb(24, 86, 123);
/* oklch */ color: oklch(43.3% 0.086 240.0);
Tailwind
colors: {
  custom: {
    50: '#6585a1',
    500: '#18567b',
    950: '#000000',
  },
}
SCSS
$custom: #18567b;
$custom-light: #6585a1;
$custom-dark: #000000;
JSON
{
  "hex": "#18567b",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 123
  },
  "hsl": {
    "h": 202.424,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.433,
    "c": 0.08639,
    "h": 240
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary
#18567B
secondary
#B0693F
accent
#7E3EEA
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0F
muted
#7A7C7E

Preview Lab

Preview with #18567B

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

Preview Lab → · Contrast checker → · Palette generator →

#18567B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva