#184B6B#184B6B

#184B6B is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.5% C 0.076 H 240.5°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX#184B6B
RGBrgb(24, 75, 107)
HSLhsl(203, 63%, 26%)
HSVhsv(203, 78%, 42%)
CMYKcmyk(77.6%, 29.9%, 0%, 58%)
CIE-LABlab(30.13, -4.89, -23.37)
CIE-LCHlch(30.13, 23.88, 258.18°)
OKLaboklab(39.52% -0.0374 -0.066)
OKLCHoklch(39.52% 0.076 240.5)
XYZxyz(5.5456, 6.2872, 14.8284)
Luminance0.0629 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184B6B #6B3818
analogous
#186B61 #184B6B #18216B
triadic
#184B6B #6B184B #4B6B18
tetradic
#184B6B #61186B #6B3818 #216B18
square
#184B6B #61186B #6B3818 #216B18
split-complementary
#184B6B #6B1821 #6B6118
monochromatic
#061219 #0D2839 #184B6B #236E9D #2E91CF

Accessibility & contrast

On white

9.30
#184B6B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#184B6B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184B6B
9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184B6B#FFFFFF#000000##FFFFFF
##184B6B1.009.302.269.30
#FFFFFF9.301.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C4B6C
Deuteranopia (green-blind)
#31436A
Tritanopia (blue-blind)
#005356
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #184b6b;
/* rgb */ color: rgb(24, 75, 107);
/* oklch */ color: oklch(39.5% 0.076 240.5);
Tailwind
colors: {
  custom: {
    50: '#627d95',
    500: '#184b6b',
    950: '#000000',
  },
}
SCSS
$custom: #184b6b;
$custom-light: #627d95;
$custom-dark: #000000;
JSON
{
  "hex": "#184b6b",
  "rgb": {
    "r": 24,
    "g": 75,
    "b": 107
  },
  "hsl": {
    "h": 203.133,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.39518,
    "c": 0.07591,
    "h": 240.5
  },
  "luminance": 0.06288
}

Semantic roles & 50–950 ramp

primary
#184B6B
secondary
#A1643E
accent
#8141E6
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #184B6B

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

Preview Lab → · Contrast checker → · Palette generator →

#184B6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva