#181849#181849

#181849 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.089 H 277.5°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#181849
RGB	rgb(24, 24, 73)
HSL	hsl(240, 51%, 19%)
HSV	hsv(240, 67%, 29%)
CMYK	cmyk(67.1%, 67.1%, 0%, 71.4%)
CIE-LAB	lab(11.47, 17.41, -30.63)
CIE-LCH	lch(11.47, 35.23, 299.62°)
OKLab	oklab(24.39% 0.0117 -0.0881)
OKLCH	oklch(24.39% 0.089 277.5)
XYZ	xyz(1.9055, 1.3284, 6.4580)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181849 #494918

analogous

#183149 #181849 #311849

triadic

#181849 #491818 #184918

tetradic

#181849 #491831 #494918 #184931

square

#181849 #491831 #494918 #184931

split-complementary

#181849 #493118 #314918

monochromatic

#080817 #09091B #181849 #272777 #3636A5

Accessibility & contrast

On white

16.59

#181849 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#181849 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181849

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181849	#FFFFFF	#000000	##FFFFFF
##181849	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214B

Deuteranopia (green-blind)

#001C48

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181849;
/* rgb */ color: rgb(24, 24, 73);
/* oklch */ color: oklch(24.4% 0.089 277.5);

Tailwind

colors: {
  custom: {
    50: '#5b547c',
    500: '#181849',
    950: '#000000',
  },
}

SCSS

$custom: #181849;
$custom-light: #5b547c;
$custom-dark: #000000;

JSON

{
  "hex": "#181849",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 73
  },
  "hsl": {
    "h": 240,
    "s": 50.515,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24391,
    "c": 0.08885,
    "h": 277.5
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary

#181849

secondary

#80803D

accent

#DA4EDA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #181849

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

Preview Lab → · Contrast checker → · Palette generator →