#184A99#184A99

#184A99 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.4% C 0.140 H 259.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#184A99
RGB	rgb(24, 74, 153)
HSL	hsl(217, 73%, 35%)
HSV	hsv(217, 84%, 60%)
CMYK	cmyk(84.3%, 51.6%, 0%, 40%)
CIE-LAB	lab(32.68, 14.41, -47.79)
CIE-LCH	lch(32.68, 49.91, 286.78°)
OKLab	oklab(42.43% -0.0253 -0.1377)
OKLCH	oklch(42.43% 0.14 259.6)
XYZ	xyz(8.5731, 7.3906, 31.1055)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184A99 #996718

analogous

#188B99 #184A99 #261899

triadic

#184A99 #99184A #4A9918

tetradic

#184A99 #99188B #996718 #189926

square

#184A99 #99188B #996718 #189926

split-complementary

#184A99 #992618 #8B9918

monochromatic

#07172F #103064 #184A99 #2064CE #4984E2

Accessibility & contrast

On white

8.47

#184A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#184A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184A99

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184A99	#FFFFFF	#000000	##FFFFFF
##184A99	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16539C

Deuteranopia (green-blind)

#004797

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #184a99;
/* rgb */ color: rgb(24, 74, 153);
/* oklch */ color: oklch(42.4% 0.140 259.6);

Tailwind

colors: {
  custom: {
    50: '#6d7bb8',
    500: '#184a99',
    950: '#000000',
  },
}

SCSS

$custom: #184a99;
$custom-light: #6d7bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#184a99",
  "rgb": {
    "r": 24,
    "g": 74,
    "b": 153
  },
  "hsl": {
    "h": 216.744,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42432,
    "c": 0.13998,
    "h": 259.6
  },
  "luminance": 0.07392
}

Semantic roles & 50–950 ramp

primary

#184A99

secondary

#C49449

accent

#A938F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #184A99

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

Preview Lab → · Contrast checker → · Palette generator →