#18437F#18437F

#18437F is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.8% C 0.112 H 257.6°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#18437F
RGBrgb(24, 67, 127)
HSLhsl(215, 68%, 30%)
HSVhsv(215, 81%, 50%)
CMYKcmyk(81.1%, 47.2%, 0%, 50.2%)
CIE-LABlab(28.75, 8.54, -38.14)
CIE-LCHlch(28.75, 39.08, 282.62°)
OKLaboklab(38.82% -0.024 -0.1094)
OKLCHoklch(38.82% 0.112 257.6)
XYZxyz(6.2132, 5.7401, 20.8550)
Luminance0.0574 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18437F #7F5418
analogous
#18777F #18437F #20187F
triadic
#18437F #7F1843 #437F18
tetradic
#18437F #7F1877 #7F5418 #187F20
square
#18437F #7F1877 #7F5418 #187F20
split-complementary
#18437F #7F2018 #777F18
monochromatic
#050E1A #0E284C #18437F #225EB2 #387BD9

Accessibility & contrast

On white

9.78
#18437F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.15
#18437F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18437F
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18437F#FFFFFF#000000##FFFFFF
##18437F1.009.782.159.78
#FFFFFF9.781.0021.001.00
#0000002.1521.001.0021.00
##FFFFFF9.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#234981
Deuteranopia (green-blind)
#0B3F7E
Tritanopia (blue-blind)
#00515A
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #18437f;
/* rgb */ color: rgb(24, 67, 127);
/* oklch */ color: oklch(38.8% 0.112 257.6);
Tailwind
colors: {
  custom: {
    50: '#6676a4',
    500: '#18437f',
    950: '#000000',
  },
}
SCSS
$custom: #18437f;
$custom-light: #6676a4;
$custom-dark: #000000;
JSON
{
  "hex": "#18437f",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 127
  },
  "hsl": {
    "h": 214.951,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38825,
    "c": 0.11202,
    "h": 257.6
  },
  "luminance": 0.05741
}

Semantic roles & 50–950 ramp

primary
#18437F
secondary
#B3833F
accent
#A23DEB
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #18437F

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

Preview Lab → · Contrast checker → · Palette generator →

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