#184F99#184F99

#184F99 is a dark, vivid cyan. Relative luminance 0.081; OKLCH L 43.6% C 0.134 H 257.4°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#184F99
RGB	rgb(24, 79, 153)
HSL	hsl(214, 73%, 35%)
HSV	hsv(214, 84%, 60%)
CMYK	cmyk(84.3%, 48.4%, 0%, 40%)
CIE-LAB	lab(34.16, 11.02, -45.40)
CIE-LCH	lch(34.16, 46.72, 283.64°)
OKLab	oklab(43.57% -0.0291 -0.1305)
OKLCH	oklch(43.57% 0.134 257.4)
XYZ	xyz(8.9203, 8.0850, 31.2212)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F99 #996218

analogous

#188F99 #184F99 #221899

triadic

#184F99 #99184F #4F9918

tetradic

#184F99 #99188F #996218 #189922

square

#184F99 #99188F #996218 #189922

split-complementary

#184F99 #992218 #8F9918

monochromatic

#07182F #103464 #184F99 #206ACE #498AE2

Accessibility & contrast

On white

8.02

#184F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#184F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F99

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F99	#FFFFFF	#000000	##FFFFFF
##184F99	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25569C

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#00616C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #184f99;
/* rgb */ color: rgb(24, 79, 153);
/* oklch */ color: oklch(43.6% 0.134 257.4);

Tailwind

colors: {
  custom: {
    50: '#6c7fb7',
    500: '#184f99',
    950: '#000000',
  },
}

SCSS

$custom: #184f99;
$custom-light: #6c7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#184f99",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 214.419,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.43568,
    "c": 0.13375,
    "h": 257.4
  },
  "luminance": 0.08086
}

Semantic roles & 50–950 ramp

primary

#184F99

secondary

#C48F49

accent

#A138F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #184F99

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

Preview Lab → · Contrast checker → · Palette generator →