#182C79#182C79

#182C79 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.133 H 267.3°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#182C79
RGB	rgb(24, 44, 121)
HSL	hsl(228, 67%, 28%)
HSV	hsv(228, 80%, 47%)
CMYK	cmyk(80.2%, 63.6%, 0%, 52.5%)
CIE-LAB	lab(21.49, 22.29, -46.11)
CIE-LCH	lch(21.49, 51.22, 295.80°)
OKLab	oklab(33.17% -0.0064 -0.1333)
OKLCH	oklch(33.17% 0.133 267.3)
XYZ	xyz(4.7274, 3.3755, 18.4878)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C79 #796518

analogous

#185C79 #182C79 #341879

triadic

#182C79 #79182C #2C7918

tetradic

#182C79 #79185C #796518 #187934

square

#182C79 #79185C #796518 #187934

split-complementary

#182C79 #793418 #5C7918

monochromatic

#05091A #0E1946 #182C79 #223FAC #3556D7

Accessibility & contrast

On white

12.54

#182C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#182C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C79

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C79	#FFFFFF	#000000	##FFFFFF
##182C79	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387C

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182c79;
/* rgb */ color: rgb(24, 44, 121);
/* oklch */ color: oklch(33.2% 0.133 267.3);

Tailwind

colors: {
  custom: {
    50: '#6664a0',
    500: '#182c79',
    950: '#000000',
  },
}

SCSS

$custom: #182c79;
$custom-light: #6664a0;
$custom-dark: #000000;

JSON

{
  "hex": "#182c79",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 121
  },
  "hsl": {
    "h": 227.629,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33171,
    "c": 0.13345,
    "h": 267.3
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#182C79

secondary

#AE973F

accent

#C63EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182C79

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

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