#184A78#184A78

#184A78 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.094 H 249.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#184A78
RGB	rgb(24, 74, 120)
HSL	hsl(209, 67%, 28%)
HSV	hsv(209, 80%, 47%)
CMYK	cmyk(80%, 38.3%, 0%, 52.9%)
CIE-LAB	lab(30.51, 0.94, -30.94)
CIE-LCH	lch(30.51, 30.95, 271.74°)
OKLab	oklab(40.06% -0.0322 -0.0881)
OKLCH	oklch(40.06% 0.094 249.9)
XYZ	xyz(6.2143, 6.4471, 18.6825)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184A78 #784618

analogous

#187876 #184A78 #181A78

triadic

#184A78 #78184A #4A7818

tetradic

#184A78 #761878 #784618 #1A7818

square

#184A78 #761878 #784618 #1A7818

split-complementary

#184A78 #78181A #787618

monochromatic

#05101A #0E2B45 #184A78 #2269AB #3489D6

Accessibility & contrast

On white

9.17

#184A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#184A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184A78

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184A78	#FFFFFF	#000000	##FFFFFF
##184A78	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354D7A

Deuteranopia (green-blind)

#264477

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #184a78;
/* rgb */ color: rgb(24, 74, 120);
/* oklch */ color: oklch(40.1% 0.094 249.9);

Tailwind

colors: {
  custom: {
    50: '#647c9f',
    500: '#184a78',
    950: '#000000',
  },
}

SCSS

$custom: #184a78;
$custom-light: #647c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#184a78",
  "rgb": {
    "r": 24,
    "g": 74,
    "b": 120
  },
  "hsl": {
    "h": 208.75,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40057,
    "c": 0.09384,
    "h": 249.9
  },
  "luminance": 0.06448
}

Semantic roles & 50–950 ramp

primary

#184A78

secondary

#AD743F

accent

#903EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #184A78

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

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