#184F84#184F84

#184F84 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.105 H 251.2°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#184F84
RGB	rgb(24, 79, 132)
HSL	hsl(209, 69%, 31%)
HSV	hsv(209, 82%, 52%)
CMYK	cmyk(81.8%, 40.2%, 0%, 48.2%)
CIE-LAB	lab(32.81, 2.48, -34.74)
CIE-LCH	lch(32.81, 34.83, 274.09°)
OKLab	oklab(42.09% -0.0337 -0.0992)
OKLCH	oklch(42.09% 0.105 251.2)
XYZ	xyz(7.3360, 7.4512, 22.8769)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F84 #844D18

analogous

#188483 #184F84 #181984

triadic

#184F84 #84184F #4F8418

tetradic

#184F84 #831884 #844D18 #198418

square

#184F84 #831884 #844D18 #198418

split-complementary

#184F84 #841819 #848318

monochromatic

#05111C #0F3050 #184F84 #216EB8 #3B8DDB

Accessibility & contrast

On white

8.43

#184F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#184F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F84

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F84	#FFFFFF	#000000	##FFFFFF
##184F84	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365286

Deuteranopia (green-blind)

#244983

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #184f84;
/* rgb */ color: rgb(24, 79, 132);
/* oklch */ color: oklch(42.1% 0.105 251.2);

Tailwind

colors: {
  custom: {
    50: '#677fa8',
    500: '#184f84',
    950: '#000000',
  },
}

SCSS

$custom: #184f84;
$custom-light: #677fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#184f84",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 132
  },
  "hsl": {
    "h": 209.444,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.42089,
    "c": 0.10476,
    "h": 251.2
  },
  "luminance": 0.07452
}

Semantic roles & 50–950 ramp

primary

#184F84

secondary

#B87B40

accent

#923CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #184F84

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

Preview Lab → · Contrast checker → · Palette generator →