#182F7B#182F7B

#182F7B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.132 H 266.3°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#182F7B
RGB	rgb(24, 47, 123)
HSL	hsl(226, 67%, 29%)
HSV	hsv(226, 80%, 48%)
CMYK	cmyk(80.5%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(22.50, 20.98, -45.73)
CIE-LCH	lch(22.50, 50.31, 294.64°)
OKLab	oklab(33.98% -0.0084 -0.1321)
OKLCH	oklch(33.98% 0.132 266.3)
XYZ	xyz(4.9671, 3.6567, 19.1791)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F7B #7B6418

analogous

#18617B #182F7B #33187B

triadic

#182F7B #7B182F #2F7B18

tetradic

#182F7B #7B1861 #7B6418 #187B33

square

#182F7B #7B1861 #7B6418 #187B33

split-complementary

#182F7B #7B3318 #617B18

monochromatic

#050A1A #0E1B48 #182F7B #2243AE #365BD8

Accessibility & contrast

On white

12.13

#182F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#182F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F7B

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F7B	#FFFFFF	#000000	##FFFFFF
##182F7B	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #182f7b;
/* rgb */ color: rgb(24, 47, 123);
/* oklch */ color: oklch(34.0% 0.132 266.3);

Tailwind

colors: {
  custom: {
    50: '#6667a2',
    500: '#182f7b',
    950: '#000000',
  },
}

SCSS

$custom: #182f7b;
$custom-light: #6667a2;
$custom-dark: #000000;

JSON

{
  "hex": "#182f7b",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 226.061,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3398,
    "c": 0.1324,
    "h": 266.3
  },
  "luminance": 0.03657
}

Semantic roles & 50–950 ramp

primary

#182F7B

secondary

#B0963F

accent

#C23EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #182F7B

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

Preview Lab → · Contrast checker → · Palette generator →