#184D8F#184D8F

#184D8F is a dark, vivid cyan. Relative luminance 0.075; OKLCH L 42.4% C 0.122 H 256.1°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#184D8F
RGBrgb(24, 77, 143)
HSLhsl(213, 71%, 33%)
HSVhsv(213, 83%, 56%)
CMYKcmyk(83.2%, 46.2%, 0%, 43.9%)
CIE-LABlab(32.88, 8.29, -41.37)
CIE-LCHlch(32.88, 42.20, 281.33°)
OKLaboklab(42.37% -0.0294 -0.1187)
OKLCHoklch(42.37% 0.122 256.1)
XYZxyz(7.9866, 7.4841, 27.0049)
Luminance0.0748 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184D8F #8F5A18
analogous
#18888F #184D8F #1E188F
triadic
#184D8F #8F184D #4D8F18
tetradic
#184D8F #8F1888 #8F5A18 #188F1E
square
#184D8F #8F1888 #8F5A18 #188F1E
split-complementary
#184D8F #8F1E18 #888F18
monochromatic
#061526 #0F315B #184D8F #2169C3 #4288DF

Accessibility & contrast

On white

8.41
#184D8F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#184D8F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D8F
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184D8F#FFFFFF#000000##FFFFFF
##184D8F1.008.412.508.41
#FFFFFF8.411.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A5392
Deuteranopia (green-blind)
#0F488E
Tritanopia (blue-blind)
#005D67
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #184d8f;
/* rgb */ color: rgb(24, 77, 143);
/* oklch */ color: oklch(42.4% 0.122 256.1);
Tailwind
colors: {
  custom: {
    50: '#6a7eb0',
    500: '#184d8f',
    950: '#000000',
  },
}
SCSS
$custom: #184d8f;
$custom-light: #6a7eb0;
$custom-dark: #000000;
JSON
{
  "hex": "#184d8f",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 213.277,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42368,
    "c": 0.12231,
    "h": 256.1
  },
  "luminance": 0.07485
}

Semantic roles & 50–950 ramp

primary
#184D8F
secondary
#C08843
accent
#9E3AEE
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#080910
muted
#7A7B7F

Preview Lab

Preview with #184D8F

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

Preview Lab → · Contrast checker → · Palette generator →

#184D8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva