#12184E#12184E

#12184E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.098 H 272.0°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#12184E
RGB	rgb(18, 24, 78)
HSL	hsl(234, 63%, 19%)
HSV	hsv(234, 77%, 31%)
CMYK	cmyk(76.9%, 69.2%, 0%, 69.4%)
CIE-LAB	lab(11.50, 18.38, -34.07)
CIE-LCH	lch(11.50, 38.71, 298.35°)
OKLab	oklab(24.44% 0.0034 -0.0984)
OKLCH	oklch(24.44% 0.098 272)
XYZ	xyz(1.9508, 1.3317, 7.3605)
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

#12184E #4E4812

analogous

#12364E #12184E #2A124E

triadic

#12184E #4E1218 #184E12

tetradic

#12184E #4E1236 #4E4812 #124E2A

square

#12184E #4E1236 #4E4812 #124E2A

split-complementary

#12184E #4E2A12 #364E12

monochromatic

#060819 #07091C #12184E #1D2780 #2937B1

Accessibility & contrast

On white

16.58

#12184E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#12184E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12184E

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12184E	#FFFFFF	#000000	##FFFFFF
##12184E	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#001C4D

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #12184e;
/* rgb */ color: rgb(18, 24, 78);
/* oklch */ color: oklch(24.4% 0.098 272.0);

Tailwind

colors: {
  custom: {
    50: '#5a5480',
    500: '#12184e',
    950: '#000000',
  },
}

SCSS

$custom: #12184e;
$custom-light: #5a5480;
$custom-dark: #000000;

JSON

{
  "hex": "#12184e",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 78
  },
  "hsl": {
    "h": 234,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.24437,
    "c": 0.09841,
    "h": 272
  },
  "luminance": 0.01332
}

Semantic roles & 50–950 ramp

primary

#12184E

secondary

#877F35

accent

#D542E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12184E

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

Preview Lab → · Contrast checker → · Palette generator →