#184D9D#184D9D

#184D9D is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.4% C 0.142 H 259.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#184D9D
RGB	rgb(24, 77, 157)
HSL	hsl(216, 73%, 35%)
HSV	hsv(216, 85%, 62%)
CMYK	cmyk(84.7%, 51%, 0%, 38.4%)
CIE-LAB	lab(33.85, 14.00, -48.32)
CIE-LCH	lch(33.85, 50.31, 286.15°)
OKLab	oklab(43.42% -0.0269 -0.1392)
OKLCH	oklch(43.42% 0.142 259)
XYZ	xyz(9.1141, 7.9351, 32.9430)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D9D #9D6818

analogous

#188F9D #184D9D #25189D

triadic

#184D9D #9D184D #4D9D18

tetradic

#184D9D #9D188F #9D6818 #189D25

square

#184D9D #9D188F #9D6818 #189D25

split-complementary

#184D9D #9D2518 #8F9D18

monochromatic

#081933 #103368 #184D9D #2067D2 #4C88E4

Accessibility & contrast

On white

8.12

#184D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#184D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D9D

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D9D	#FFFFFF	#000000	##FFFFFF
##184D9D	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A56A0

Deuteranopia (green-blind)

#004A9B

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #184d9d;
/* rgb */ color: rgb(24, 77, 157);
/* oklch */ color: oklch(43.4% 0.142 259.0);

Tailwind

colors: {
  custom: {
    50: '#6d7eba',
    500: '#184d9d',
    950: '#000000',
  },
}

SCSS

$custom: #184d9d;
$custom-light: #6d7eba;
$custom-dark: #000000;

JSON

{
  "hex": "#184d9d",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 157
  },
  "hsl": {
    "h": 216.09,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43418,
    "c": 0.14176,
    "h": 259
  },
  "luminance": 0.07936
}

Semantic roles & 50–950 ramp

primary

#184D9D

secondary

#C5954B

accent

#A738F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #184D9D

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

Preview Lab → · Contrast checker → · Palette generator →