#182D79#182D79

#182D79 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.4% C 0.132 H 266.9°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#182D79
RGB	rgb(24, 45, 121)
HSL	hsl(227, 67%, 28%)
HSV	hsv(227, 80%, 47%)
CMYK	cmyk(80.2%, 62.8%, 0%, 52.5%)
CIE-LAB	lab(21.77, 21.58, -45.66)
CIE-LCH	lch(21.77, 50.50, 295.30°)
OKLab	oklab(33.38% -0.0071 -0.132)
OKLCH	oklch(33.38% 0.132 266.9)
XYZ	xyz(4.7651, 3.4509, 18.5004)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D79 #796418

analogous

#185D79 #182D79 #331879

triadic

#182D79 #79182D #2D7918

tetradic

#182D79 #79185D #796418 #187933

square

#182D79 #79185D #796418 #187933

split-complementary

#182D79 #793318 #5D7918

monochromatic

#05091A #0E1A46 #182D79 #2240AC #3558D7

Accessibility & contrast

On white

12.42

#182D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#182D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D79

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D79	#FFFFFF	#000000	##FFFFFF
##182D79	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397C

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182d79;
/* rgb */ color: rgb(24, 45, 121);
/* oklch */ color: oklch(33.4% 0.132 266.9);

Tailwind

colors: {
  custom: {
    50: '#6665a0',
    500: '#182d79',
    950: '#000000',
  },
}

SCSS

$custom: #182d79;
$custom-light: #6665a0;
$custom-dark: #000000;

JSON

{
  "hex": "#182d79",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 121
  },
  "hsl": {
    "h": 227.01,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33377,
    "c": 0.13215,
    "h": 266.9
  },
  "luminance": 0.03451
}

Semantic roles & 50–950 ramp

primary

#182D79

secondary

#AE963F

accent

#C53EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #182D79

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

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