#184E90#184E90

#184E90 is a dark, vivid cyan. Relative luminance 0.077; OKLCH L 42.7% C 0.122 H 255.8°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX#184E90
RGBrgb(24, 78, 144)
HSLhsl(213, 71%, 33%)
HSVhsv(213, 83%, 56%)
CMYKcmyk(83.3%, 45.8%, 0%, 43.5%)
CIE-LABlab(33.26, 8.03, -41.39)
CIE-LCHlch(33.26, 42.16, 280.97°)
OKLaboklab(42.68% -0.03 -0.1187)
OKLCHoklch(42.68% 0.122 255.8)
XYZxyz(8.1332, 7.6556, 27.4292)
Luminance0.0766 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184E90 #905A18
analogous
#188A90 #184E90 #1E1890
triadic
#184E90 #90184E #4E9018
tetradic
#184E90 #90188A #905A18 #18901E
square
#184E90 #90188A #905A18 #18901E
split-complementary
#184E90 #901E18 #8A9018
monochromatic
#071527 #0F325C #184E90 #216AC4 #4389E0

Accessibility & contrast

On white

8.30
#184E90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#184E90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E90
8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184E90#FFFFFF#000000##FFFFFF
##184E901.008.302.538.30
#FFFFFF8.301.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B5493
Deuteranopia (green-blind)
#10498F
Tritanopia (blue-blind)
#005E68
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #184e90;
/* rgb */ color: rgb(24, 78, 144);
/* oklch */ color: oklch(42.7% 0.122 255.8);
Tailwind
colors: {
  custom: {
    50: '#6a7fb1',
    500: '#184e90',
    950: '#000000',
  },
}
SCSS
$custom: #184e90;
$custom-light: #6a7fb1;
$custom-dark: #000000;
JSON
{
  "hex": "#184e90",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 144
  },
  "hsl": {
    "h": 213,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42676,
    "c": 0.12248,
    "h": 255.8
  },
  "luminance": 0.07657
}

Semantic roles & 50–950 ramp

primary
#184E90
secondary
#C08843
accent
#9D3AEE
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#080A11
muted
#7A7C80

Preview Lab

Preview with #184E90

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

Preview Lab → · Contrast checker → · Palette generator →

#184E90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva