#184C9D#184C9D

#184C9D is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.143 H 259.4°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#184C9D
RGB	rgb(24, 76, 157)
HSL	hsl(217, 73%, 35%)
HSV	hsv(217, 85%, 62%)
CMYK	cmyk(84.7%, 51.6%, 0%, 38.4%)
CIE-LAB	lab(33.55, 14.67, -48.79)
CIE-LCH	lch(33.55, 50.95, 286.74°)
OKLab	oklab(43.19% -0.0262 -0.1406)
OKLCH	oklch(43.19% 0.143 259.4)
XYZ	xyz(9.0447, 7.7963, 32.9199)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184C9D #9D6918

analogous

#188F9D #184C9D #26189D

triadic

#184C9D #9D184C #4C9D18

tetradic

#184C9D #9D188F #9D6918 #189D26

square

#184C9D #9D188F #9D6918 #189D26

split-complementary

#184C9D #9D2618 #8F9D18

monochromatic

#081933 #103268 #184C9D #2066D2 #4C87E4

Accessibility & contrast

On white

8.21

#184C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#184C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184C9D

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184C9D	#FFFFFF	#000000	##FFFFFF
##184C9D	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1755A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #184c9d;
/* rgb */ color: rgb(24, 76, 157);
/* oklch */ color: oklch(43.2% 0.143 259.4);

Tailwind

colors: {
  custom: {
    50: '#6e7dba',
    500: '#184c9d',
    950: '#000000',
  },
}

SCSS

$custom: #184c9d;
$custom-light: #6e7dba;
$custom-dark: #000000;

JSON

{
  "hex": "#184c9d",
  "rgb": {
    "r": 24,
    "g": 76,
    "b": 157
  },
  "hsl": {
    "h": 216.541,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43194,
    "c": 0.14301,
    "h": 259.4
  },
  "luminance": 0.07797
}

Semantic roles & 50–950 ramp

primary

#184C9D

secondary

#C5964B

accent

#A838F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #184C9D

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

Preview Lab → · Contrast checker → · Palette generator →