#184D99#184D99

#184D99 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.1% C 0.136 H 258.3°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#184D99
RGB	rgb(24, 77, 153)
HSL	hsl(215, 73%, 35%)
HSV	hsv(215, 84%, 60%)
CMYK	cmyk(84.3%, 49.7%, 0%, 40%)
CIE-LAB	lab(33.56, 12.37, -46.36)
CIE-LCH	lch(33.56, 47.98, 284.94°)
OKLab	oklab(43.11% -0.0276 -0.1334)
OKLCH	oklch(43.11% 0.136 258.3)
XYZ	xyz(8.7782, 7.8008, 31.1739)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D99 #996418

analogous

#188D99 #184D99 #241899

triadic

#184D99 #99184D #4D9918

tetradic

#184D99 #99188D #996418 #189924

square

#184D99 #99188D #996418 #189924

split-complementary

#184D99 #992418 #8D9918

monochromatic

#07182F #103264 #184D99 #2068CE #4988E2

Accessibility & contrast

On white

8.20

#184D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#184D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D99

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D99	#FFFFFF	#000000	##FFFFFF
##184D99	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20559C

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #184d99;
/* rgb */ color: rgb(24, 77, 153);
/* oklch */ color: oklch(43.1% 0.136 258.3);

Tailwind

colors: {
  custom: {
    50: '#6c7eb8',
    500: '#184d99',
    950: '#000000',
  },
}

SCSS

$custom: #184d99;
$custom-light: #6c7eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#184d99",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 215.349,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.43111,
    "c": 0.13622,
    "h": 258.3
  },
  "luminance": 0.07802
}

Semantic roles & 50–950 ramp

primary

#184D99

secondary

#C49149

accent

#A438F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #184D99

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

Preview Lab → · Contrast checker → · Palette generator →