#182F6A#182F6A

#182F6A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.5% C 0.107 H 264.9°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#182F6A
RGB	rgb(24, 47, 106)
HSL	hsl(223, 63%, 25%)
HSV	hsv(223, 77%, 42%)
CMYK	cmyk(77.4%, 55.7%, 0%, 58.4%)
CIE-LAB	lab(21.08, 13.98, -37.13)
CIE-LCH	lch(21.08, 39.68, 290.63°)
OKLab	oklab(32.47% -0.0095 -0.1069)
OKLCH	oklch(32.47% 0.107 264.9)
XYZ	xyz(3.9938, 3.2674, 14.0531)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F6A #6A5318

analogous

#18586A #182F6A #2A186A

triadic

#182F6A #6A182F #2F6A18

tetradic

#182F6A #6A1858 #6A5318 #186A2A

square

#182F6A #6A1858 #6A5318 #186A2A

split-complementary

#182F6A #6A2A18 #586A18

monochromatic

#060B19 #0D1938 #182F6A #23459C #2F5BCE

Accessibility & contrast

On white

12.70

#182F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F6A

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F6A	#FFFFFF	#000000	##FFFFFF
##182F6A	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06376C

Deuteranopia (green-blind)

#002F69

Tritanopia (blue-blind)

#003D47

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182f6a;
/* rgb */ color: rgb(24, 47, 106);
/* oklch */ color: oklch(32.5% 0.107 264.9);

Tailwind

colors: {
  custom: {
    50: '#626795',
    500: '#182f6a',
    950: '#000000',
  },
}

SCSS

$custom: #182f6a;
$custom-light: #626795;
$custom-dark: #000000;

JSON

{
  "hex": "#182f6a",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 106
  },
  "hsl": {
    "h": 223.171,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32469,
    "c": 0.10729,
    "h": 264.9
  },
  "luminance": 0.03268
}

Semantic roles & 50–950 ramp

primary

#182F6A

secondary

#A0843E

accent

#B842E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #182F6A

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

Preview Lab → · Contrast checker → · Palette generator →