#184A55#184A55

#184A55 is a dark, muted cyan. Relative luminance 0.057; OKLCH L 38.1% C 0.055 H 215.0°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#184A55
RGB	rgb(24, 74, 85)
HSL	hsl(191, 56%, 21%)
HSV	hsv(191, 72%, 33%)
CMYK	cmyk(71.8%, 12.9%, 0%, 66.7%)
CIE-LAB	lab(28.77, -12.55, -11.42)
CIE-LCH	lch(28.77, 16.97, 222.30°)
OKLab	oklab(38.1% -0.0453 -0.0318)
OKLCH	oklch(38.1% 0.055 215)
XYZ	xyz(4.4645, 5.7471, 9.4666)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184A55 #552318

analogous

#185542 #184A55 #182C55

triadic

#184A55 #55184A #4A5518

tetradic

#184A55 #421855 #552318 #2C5518

square

#184A55 #421855 #552318 #2C5518

split-complementary

#184A55 #55182C #554218

monochromatic

#071518 #0B2025 #184A55 #257485 #339DB4

Accessibility & contrast

On white

9.77

#184A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#184A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184A55

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184A55	#FFFFFF	#000000	##FFFFFF
##184A55	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424756

Deuteranopia (green-blind)

#394155

Tritanopia (blue-blind)

#004E4D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #184a55;
/* rgb */ color: rgb(24, 74, 85);
/* oklch */ color: oklch(38.1% 0.055 215.0);

Tailwind

colors: {
  custom: {
    50: '#5e7c84',
    500: '#184a55',
    950: '#000000',
  },
}

SCSS

$custom: #184a55;
$custom-light: #5e7c84;
$custom-dark: #000000;

JSON

{
  "hex": "#184a55",
  "rgb": {
    "r": 24,
    "g": 74,
    "b": 85
  },
  "hsl": {
    "h": 190.82,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38095,
    "c": 0.05536,
    "h": 215
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#184A55

secondary

#8C4B3D

accent

#6449DF

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #184A55

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

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