#184E9F#184E9F

#184E9F is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.143 H 259.0°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#184E9F
RGB	rgb(24, 78, 159)
HSL	hsl(216, 74%, 36%)
HSV	hsv(216, 85%, 62%)
CMYK	cmyk(84.9%, 50.9%, 0%, 37.6%)
CIE-LAB	lab(34.28, 14.13, -48.82)
CIE-LCH	lch(34.28, 50.83, 286.14°)
OKLab	oklab(43.8% -0.0274 -0.1406)
OKLCH	oklch(43.8% 0.143 259)
XYZ	xyz(9.3568, 8.1450, 33.8732)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E9F #9F6918

analogous

#18919F #184E9F #25189F

triadic

#184E9F #9F184E #4E9F18

tetradic

#184E9F #9F1891 #9F6918 #189F25

square

#184E9F #9F1891 #9F6918 #189F25

split-complementary

#184E9F #9F2518 #919F18

monochromatic

#081A35 #10346A #184E9F #2068D4 #4D8AE4

Accessibility & contrast

On white

7.99

#184E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#184E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E9F

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E9F	#FFFFFF	#000000	##FFFFFF
##184E9F	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A57A2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #184e9f;
/* rgb */ color: rgb(24, 78, 159);
/* oklch */ color: oklch(43.8% 0.143 259.0);

Tailwind

colors: {
  custom: {
    50: '#6e7ebc',
    500: '#184e9f',
    950: '#000000',
  },
}

SCSS

$custom: #184e9f;
$custom-light: #6e7ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#184e9f",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 159
  },
  "hsl": {
    "h": 216,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43797,
    "c": 0.14326,
    "h": 259
  },
  "luminance": 0.08146
}

Semantic roles & 50–950 ramp

primary

#184E9F

secondary

#C6964D

accent

#A637F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #184E9F

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

Preview Lab → · Contrast checker → · Palette generator →