#18498A#18498A

#18498A is a dark, vivid cyan. Relative luminance 0.068; OKLCH L 41.1% C 0.120 H 257.0°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX#18498A
RGBrgb(24, 73, 138)
HSLhsl(214, 70%, 32%)
HSVhsv(214, 83%, 54%)
CMYKcmyk(82.6%, 47.1%, 0%, 45.9%)
CIE-LABlab(31.33, 8.95, -40.80)
CIE-LCHlch(31.33, 41.77, 282.38°)
OKLaboklab(41.06% -0.027 -0.1171)
OKLCHoklch(41.06% 0.12 257)
XYZxyz(7.3450, 6.7934, 24.9640)
Luminance0.0679 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18498A #8A5918
analogous
#18828A #18498A #20188A
triadic
#18498A #8A1849 #498A18
tetradic
#18498A #8A1882 #8A5918 #188A20
square
#18498A #8A1882 #8A5918 #188A20
split-complementary
#18498A #8A2018 #828A18
monochromatic
#061222 #0F2D56 #18498A #2165BE #3F83DE

Accessibility & contrast

On white

8.90
#18498A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#18498A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18498A
8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18498A#FFFFFF#000000##FFFFFF
##18498A1.008.902.368.90
#FFFFFF8.901.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#264F8C
Deuteranopia (green-blind)
#094589
Tritanopia (blue-blind)
#005962
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #18498a;
/* rgb */ color: rgb(24, 73, 138);
/* oklch */ color: oklch(41.1% 0.120 257.0);
Tailwind
colors: {
  custom: {
    50: '#697bad',
    500: '#18498a',
    950: '#000000',
  },
}
SCSS
$custom: #18498a;
$custom-light: #697bad;
$custom-dark: #000000;
JSON
{
  "hex": "#18498a",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 138
  },
  "hsl": {
    "h": 214.211,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4106,
    "c": 0.1202,
    "h": 257
  },
  "luminance": 0.06794
}

Semantic roles & 50–950 ramp

primary
#18498A
secondary
#BD8840
accent
#A03BED
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #18498A

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

Preview Lab → · Contrast checker → · Palette generator →

#18498A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva