#12184F#12184F

#12184F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.100 H 271.9°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#12184F
RGB	rgb(18, 24, 79)
HSL	hsl(234, 63%, 19%)
HSV	hsv(234, 77%, 31%)
CMYK	cmyk(77.2%, 69.6%, 0%, 69%)
CIE-LAB	lab(11.59, 18.79, -34.59)
CIE-LCH	lch(11.59, 39.37, 298.51°)
OKLab	oklab(24.54% 0.0033 -0.0999)
OKLCH	oklch(24.54% 0.1 271.9)
XYZ	xyz(1.9869, 1.3462, 7.5507)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12184F #4F4912

analogous

#12374F #12184F #2B124F

triadic

#12184F #4F1218 #184F12

tetradic

#12184F #4F1237 #4F4912 #124F2B

square

#12184F #4F1237 #4F4912 #124F2B

split-complementary

#12184F #4F2B12 #374F12

monochromatic

#060819 #07091D #12184F #1D2781 #2936B3

Accessibility & contrast

On white

16.55

#12184F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#12184F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12184F

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12184F	#FFFFFF	#000000	##FFFFFF
##12184F	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002251

Deuteranopia (green-blind)

#001C4E

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #12184f;
/* rgb */ color: rgb(18, 24, 79);
/* oklch */ color: oklch(24.5% 0.100 271.9);

Tailwind

colors: {
  custom: {
    50: '#5a5481',
    500: '#12184f',
    950: '#000000',
  },
}

SCSS

$custom: #12184f;
$custom-light: #5a5481;
$custom-dark: #000000;

JSON

{
  "hex": "#12184f",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 79
  },
  "hsl": {
    "h": 234.098,
    "s": 62.887,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24541,
    "c": 0.09994,
    "h": 271.9
  },
  "luminance": 0.01346
}

Semantic roles & 50–950 ramp

primary

#12184F

secondary

#888035

accent

#D642E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12184F

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

Preview Lab → · Contrast checker → · Palette generator →