#18437A#18437A

#18437A is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.5% C 0.105 H 256.2°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX#18437A
RGBrgb(24, 67, 122)
HSLhsl(214, 67%, 29%)
HSVhsv(214, 80%, 48%)
CMYKcmyk(80.3%, 45.1%, 0%, 52.2%)
CIE-LABlab(28.41, 6.48, -35.54)
CIE-LCHlch(28.41, 36.13, 280.34°)
OKLaboklab(38.46% -0.025 -0.1018)
OKLCHoklch(38.46% 0.105 256.2)
XYZxyz(5.8954, 5.6130, 19.1813)
Luminance0.0561 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18437A #7A4F18
analogous
#18747A #18437A #1E187A
triadic
#18437A #7A1843 #437A18
tetradic
#18437A #7A1874 #7A4F18 #187A1E
square
#18437A #7A1874 #7A4F18 #187A1E
split-complementary
#18437A #7A1E18 #747A18
monochromatic
#050E1A #0E2747 #18437A #225FAD #357CD7

Accessibility & contrast

On white

9.89
#18437A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.12
#18437A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18437A
9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18437A#FFFFFF#000000##FFFFFF
##18437A1.009.892.129.89
#FFFFFF9.891.0021.001.00
#0000002.1221.001.0021.00
##FFFFFF9.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#27487C
Deuteranopia (green-blind)
#153F79
Tritanopia (blue-blind)
#005058
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #18437a;
/* rgb */ color: rgb(24, 67, 122);
/* oklch */ color: oklch(38.5% 0.105 256.2);
Tailwind
colors: {
  custom: {
    50: '#6576a1',
    500: '#18437a',
    950: '#000000',
  },
}
SCSS
$custom: #18437a;
$custom-light: #6576a1;
$custom-dark: #000000;
JSON
{
  "hex": "#18437a",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 213.673,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3846,
    "c": 0.10481,
    "h": 256.2
  },
  "luminance": 0.05614
}

Semantic roles & 50–950 ramp

primary
#18437A
secondary
#AF7E3F
accent
#9E3EEA
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080F
muted
#7A7B7E

Preview Lab

Preview with #18437A

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

Preview Lab → · Contrast checker → · Palette generator →

#18437A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva