#184E55#184E55

#184E55 is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.2% C 0.056 H 207.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX#184E55
RGBrgb(24, 78, 85)
HSLhsl(187, 56%, 21%)
HSVhsv(187, 72%, 33%)
CMYKcmyk(71.8%, 8.2%, 0%, 66.7%)
CIE-LABlab(30.15, -14.89, -9.31)
CIE-LCHlch(30.15, 17.56, 212.02°)
OKLaboklab(39.21% -0.0501 -0.0258)
OKLCHoklch(39.21% 0.056 207.3)
XYZxyz(4.7401, 6.2983, 9.5585)
Luminance0.0630 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184E55 #551F18
analogous
#18553E #184E55 #183055
triadic
#184E55 #55184E #4E5518
tetradic
#184E55 #3E1855 #551F18 #305518
square
#184E55 #3E1855 #551F18 #305518
split-complementary
#184E55 #551830 #553E18
monochromatic
#071618 #0B2225 #184E55 #257A85 #33A6B4

Accessibility & contrast

On white

9.29
#184E55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#184E55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E55
9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184E55#FFFFFF#000000##FFFFFF
##184E551.009.292.269.29
#FFFFFF9.291.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#474B55
Deuteranopia (green-blind)
#3E4455
Tritanopia (blue-blind)
#005250
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #184e55;
/* rgb */ color: rgb(24, 78, 85);
/* oklch */ color: oklch(39.2% 0.056 207.3);
Tailwind
colors: {
  custom: {
    50: '#5e7f84',
    500: '#184e55',
    950: '#000000',
  },
}
SCSS
$custom: #184e55;
$custom-light: #5e7f84;
$custom-dark: #000000;
JSON
{
  "hex": "#184e55",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 85
  },
  "hsl": {
    "h": 186.885,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39212,
    "c": 0.0564,
    "h": 207.3
  },
  "luminance": 0.06299
}

Semantic roles & 50–950 ramp

primary
#184E55
secondary
#8C463D
accent
#5A49DF
background
#F5F7F8
surface
#EAEEEF
border
#C6C9CA
text
#050A0B
muted
#797C7C

Preview Lab

Preview with #184E55

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

Preview Lab → · Contrast checker → · Palette generator →

#184E55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva