#12284A#12284A

#12284A is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.9% C 0.069 H 258.9°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#12284A
RGB	rgb(18, 40, 74)
HSL	hsl(216, 61%, 18%)
HSV	hsv(216, 76%, 29%)
CMYK	cmyk(75.7%, 45.9%, 0%, 71%)
CIE-LAB	lab(16.21, 4.61, -23.71)
CIE-LCH	lch(16.21, 24.15, 281.00°)
OKLab	oklab(27.9% -0.0133 -0.0676)
OKLCH	oklch(27.9% 0.069 258.9)
XYZ	xyz(2.2438, 2.1404, 6.7721)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12284A #4A3412

analogous

#12444A #12284A #18124A

triadic

#12284A #4A1228 #284A12

tetradic

#12284A #4A1244 #4A3412 #124A18

square

#12284A #4A1244 #4A3412 #124A18

split-complementary

#12284A #4A1812 #444A12

monochromatic

#060D19 #060D19 #12284A #1E437B #2A5DAC

Accessibility & contrast

On white

14.70

#12284A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#12284A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12284A

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12284A	#FFFFFF	#000000	##FFFFFF
##12284A	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182B4B

Deuteranopia (green-blind)

#0F2649

Tritanopia (blue-blind)

#003035

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #12284a;
/* rgb */ color: rgb(18, 40, 74);
/* oklch */ color: oklch(27.9% 0.069 258.9);

Tailwind

colors: {
  custom: {
    50: '#58617d',
    500: '#12284a',
    950: '#000000',
  },
}

SCSS

$custom: #12284a;
$custom-light: #58617d;
$custom-dark: #000000;

JSON

{
  "hex": "#12284a",
  "rgb": {
    "r": 18,
    "g": 40,
    "b": 74
  },
  "hsl": {
    "h": 216.429,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.27899,
    "c": 0.06895,
    "h": 258.9
  },
  "luminance": 0.02141
}

Semantic roles & 50–950 ramp

primary

#12284A

secondary

#836435

accent

#A544E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040509

muted

#79797B

Preview Lab

Preview with #12284A

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

Preview Lab → · Contrast checker → · Palette generator →