#12184C#12184C

#12184C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.095 H 272.1°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#12184C
RGB	rgb(18, 24, 76)
HSL	hsl(234, 62%, 18%)
HSV	hsv(234, 76%, 30%)
CMYK	cmyk(76.3%, 68.4%, 0%, 70.2%)
CIE-LAB	lab(11.30, 17.55, -33.01)
CIE-LCH	lch(11.30, 37.38, 298.00°)
OKLab	oklab(24.23% 0.0035 -0.0952)
OKLCH	oklch(24.23% 0.095 272.1)
XYZ	xyz(1.8802, 1.3035, 6.9886)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12184C #4C4612

analogous

#12354C #12184C #29124C

triadic

#12184C #4C1218 #184C12

tetradic

#12184C #4C1235 #4C4612 #124C29

square

#12184C #4C1235 #4C4612 #124C29

split-complementary

#12184C #4C2912 #354C12

monochromatic

#060819 #06081B #12184C #1E287D #2937AF

Accessibility & contrast

On white

16.66

#12184C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#12184C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12184C

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12184C	#FFFFFF	#000000	##FFFFFF
##12184C	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #12184c;
/* rgb */ color: rgb(18, 24, 76);
/* oklch */ color: oklch(24.2% 0.095 272.1);

Tailwind

colors: {
  custom: {
    50: '#59547f',
    500: '#12184c',
    950: '#000000',
  },
}

SCSS

$custom: #12184c;
$custom-light: #59547f;
$custom-dark: #000000;

JSON

{
  "hex": "#12184c",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 76
  },
  "hsl": {
    "h": 233.793,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.24233,
    "c": 0.0953,
    "h": 272.1
  },
  "luminance": 0.01304
}

Semantic roles & 50–950 ramp

primary

#12184C

secondary

#857D35

accent

#D443E5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12184C

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

Preview Lab → · Contrast checker → · Palette generator →