#184B8B#184B8B

#184B8B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.6% C 0.119 H 256.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX#184B8B
RGBrgb(24, 75, 139)
HSLhsl(213, 71%, 32%)
HSVhsv(213, 83%, 55%)
CMYKcmyk(82.7%, 46%, 0%, 45.5%)
CIE-LABlab(32.01, 8.01, -40.33)
CIE-LCHlch(32.01, 41.12, 281.23°)
OKLaboklab(41.61% -0.0285 -0.1157)
OKLCHoklch(41.61% 0.119 256.2)
XYZxyz(7.5512, 7.0895, 25.3915)
Luminance0.0709 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184B8B #8B5818
analogous
#18858B #184B8B #1E188B
triadic
#184B8B #8B184B #4B8B18
tetradic
#184B8B #8B1885 #8B5818 #188B1E
square
#184B8B #8B1885 #8B5818 #188B1E
split-complementary
#184B8B #8B1E18 #858B18
monochromatic
#061323 #0F2F57 #184B8B #2167BF #3F86DE

Accessibility & contrast

On white

8.68
#184B8B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#184B8B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184B8B
8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184B8B#FFFFFF#000000##FFFFFF
##184B8B1.008.682.428.68
#FFFFFF8.681.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#29518D
Deuteranopia (green-blind)
#10468A
Tritanopia (blue-blind)
#005A64
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #184b8b;
/* rgb */ color: rgb(24, 75, 139);
/* oklch */ color: oklch(41.6% 0.119 256.2);
Tailwind
colors: {
  custom: {
    50: '#697cad',
    500: '#184b8b',
    950: '#000000',
  },
}
SCSS
$custom: #184b8b;
$custom-light: #697cad;
$custom-dark: #000000;
JSON
{
  "hex": "#184b8b",
  "rgb": {
    "r": 24,
    "g": 75,
    "b": 139
  },
  "hsl": {
    "h": 213.391,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41606,
    "c": 0.11915,
    "h": 256.2
  },
  "luminance": 0.0709
}

Semantic roles & 50–950 ramp

primary
#184B8B
secondary
#BE8740
accent
#9E3AED
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #184B8B

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

Preview Lab → · Contrast checker → · Palette generator →

#184B8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva