#184F90#184F90

#184F90 is a dark, vivid cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.121 H 255.3°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#184F90
RGBrgb(24, 79, 144)
HSLhsl(213, 71%, 33%)
HSVhsv(213, 83%, 56%)
CMYKcmyk(83.3%, 45.1%, 0%, 43.5%)
CIE-LABlab(33.56, 7.35, -40.90)
CIE-LCHlch(33.56, 41.56, 280.19°)
OKLaboklab(42.91% -0.0308 -0.1173)
OKLCHoklch(42.91% 0.121 255.3)
XYZxyz(8.2048, 7.7988, 27.4530)
Luminance0.0780 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184F90 #905918
analogous
#188B90 #184F90 #1D1890
triadic
#184F90 #90184F #4F9018
tetradic
#184F90 #90188B #905918 #18901D
square
#184F90 #90188B #905918 #18901D
split-complementary
#184F90 #901D18 #8B9018
monochromatic
#071527 #0F325C #184F90 #216CC4 #438BE0

Accessibility & contrast

On white

8.20
#184F90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#184F90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F90
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184F90#FFFFFF#000000##FFFFFF
##184F901.008.202.568.20
#FFFFFF8.201.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D5592
Deuteranopia (green-blind)
#144A8F
Tritanopia (blue-blind)
#005F68
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #184f90;
/* rgb */ color: rgb(24, 79, 144);
/* oklch */ color: oklch(42.9% 0.121 255.3);
Tailwind
colors: {
  custom: {
    50: '#6a7fb1',
    500: '#184f90',
    950: '#000000',
  },
}
SCSS
$custom: #184f90;
$custom-light: #6a7fb1;
$custom-dark: #000000;
JSON
{
  "hex": "#184f90",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 144
  },
  "hsl": {
    "h": 212.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42913,
    "c": 0.12128,
    "h": 255.3
  },
  "luminance": 0.078
}

Semantic roles & 50–950 ramp

primary
#184F90
secondary
#C08743
accent
#9B3AEE
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#080A11
muted
#7A7C80

Preview Lab

Preview with #184F90

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

Preview Lab → · Contrast checker → · Palette generator →

#184F90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva