#184D78#184D78

#184D78 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.091 H 247.2°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#184D78
RGB	rgb(24, 77, 120)
HSL	hsl(207, 67%, 28%)
HSV	hsv(207, 80%, 47%)
CMYK	cmyk(80%, 35.8%, 0%, 52.9%)
CIE-LAB	lab(31.48, -1.03, -29.41)
CIE-LCH	lch(31.48, 29.43, 267.99°)
OKLab	oklab(40.82% -0.0352 -0.0836)
OKLCH	oklch(40.82% 0.091 247.2)
XYZ	xyz(6.4194, 6.8573, 18.7509)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D78 #784318

analogous

#187873 #184D78 #181D78

triadic

#184D78 #78184D #4D7818

tetradic

#184D78 #731878 #784318 #1D7818

square

#184D78 #731878 #784318 #1D7818

split-complementary

#184D78 #78181D #787318

monochromatic

#05101A #0E2C45 #184D78 #226EAB #348ED6

Accessibility & contrast

On white

8.85

#184D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#184D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D78

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D78	#FFFFFF	#000000	##FFFFFF
##184D78	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394F7A

Deuteranopia (green-blind)

#2B4677

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #184d78;
/* rgb */ color: rgb(24, 77, 120);
/* oklch */ color: oklch(40.8% 0.091 247.2);

Tailwind

colors: {
  custom: {
    50: '#657e9f',
    500: '#184d78',
    950: '#000000',
  },
}

SCSS

$custom: #184d78;
$custom-light: #657e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#184d78",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 120
  },
  "hsl": {
    "h": 206.875,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40816,
    "c": 0.09071,
    "h": 247.2
  },
  "luminance": 0.06858
}

Semantic roles & 50–950 ramp

primary

#184D78

secondary

#AD703F

accent

#8B3EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #184D78

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

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