#184B9D#184B9D

#184B9D is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.144 H 259.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#184B9D
RGB	rgb(24, 75, 157)
HSL	hsl(217, 73%, 35%)
HSV	hsv(217, 85%, 62%)
CMYK	cmyk(84.7%, 52.2%, 0%, 38.4%)
CIE-LAB	lab(33.26, 15.35, -49.27)
CIE-LCH	lch(33.26, 51.60, 287.31°)
OKLab	oklab(42.97% -0.0255 -0.142)
OKLCH	oklch(42.97% 0.144 259.8)
XYZ	xyz(8.9763, 7.6596, 32.8971)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184B9D #9D6A18

analogous

#188E9D #184B9D #27189D

triadic

#184B9D #9D184B #4B9D18

tetradic

#184B9D #9D188E #9D6A18 #189D27

square

#184B9D #9D188E #9D6A18 #189D27

split-complementary

#184B9D #9D2718 #8E9D18

monochromatic

#081833 #103268 #184B9D #2064D2 #4C86E4

Accessibility & contrast

On white

8.29

#184B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#184B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184B9D

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184B9D	#FFFFFF	#000000	##FFFFFF
##184B9D	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1355A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #184b9d;
/* rgb */ color: rgb(24, 75, 157);
/* oklch */ color: oklch(43.0% 0.144 259.8);

Tailwind

colors: {
  custom: {
    50: '#6e7cbb',
    500: '#184b9d',
    950: '#000000',
  },
}

SCSS

$custom: #184b9d;
$custom-light: #6e7cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#184b9d",
  "rgb": {
    "r": 24,
    "g": 75,
    "b": 157
  },
  "hsl": {
    "h": 216.992,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42971,
    "c": 0.14426,
    "h": 259.8
  },
  "luminance": 0.07661
}

Semantic roles & 50–950 ramp

primary

#184B9D

secondary

#C5974B

accent

#A938F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #184B9D

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

Preview Lab → · Contrast checker → · Palette generator →