#184F80#184F80

#184F80 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.099 H 249.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#184F80
RGB	rgb(24, 79, 128)
HSL	hsl(208, 68%, 30%)
HSV	hsv(208, 81%, 50%)
CMYK	cmyk(81.3%, 38.3%, 0%, 49.8%)
CIE-LAB	lab(32.58, 0.87, -32.64)
CIE-LCH	lch(32.58, 32.65, 271.53°)
OKLab	oklab(41.83% -0.0348 -0.093)
OKLCH	oklch(41.83% 0.099 249.5)
XYZ	xyz(7.0675, 7.3438, 21.4629)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F80 #804918

analogous

#18807D #184F80 #181B80

triadic

#184F80 #80184F #4F8018

tetradic

#184F80 #7D1880 #804918 #1B8018

square

#184F80 #7D1880 #804918 #1B8018

split-complementary

#184F80 #80181B #807D18

monochromatic

#05101A #0E2F4C #184F80 #226FB4 #398EDA

Accessibility & contrast

On white

8.51

#184F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#184F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F80

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F80	#FFFFFF	#000000	##FFFFFF
##184F80	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385282

Deuteranopia (green-blind)

#28487F

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #184f80;
/* rgb */ color: rgb(24, 79, 128);
/* oklch */ color: oklch(41.8% 0.099 249.5);

Tailwind

colors: {
  custom: {
    50: '#6680a5',
    500: '#184f80',
    950: '#000000',
  },
}

SCSS

$custom: #184f80;
$custom-light: #6680a5;
$custom-dark: #000000;

JSON

{
  "hex": "#184f80",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 128
  },
  "hsl": {
    "h": 208.269,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41827,
    "c": 0.09933,
    "h": 249.5
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary

#184F80

secondary

#B47740

accent

#8F3DEB

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #184F80

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

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