#182F79#182F79

#182F79 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.130 H 266.2°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#182F79
RGB	rgb(24, 47, 121)
HSL	hsl(226, 67%, 28%)
HSV	hsv(226, 80%, 47%)
CMYK	cmyk(80.2%, 61.2%, 0%, 52.5%)
CIE-LAB	lab(22.33, 20.16, -44.74)
CIE-LCH	lch(22.33, 49.08, 294.26°)
OKLab	oklab(33.79% -0.0085 -0.1292)
OKLCH	oklch(33.79% 0.13 266.2)
XYZ	xyz(4.8432, 3.6071, 18.5264)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F79 #796218

analogous

#185F79 #182F79 #311879

triadic

#182F79 #79182F #2F7918

tetradic

#182F79 #79185F #796218 #187931

square

#182F79 #79185F #796218 #187931

split-complementary

#182F79 #793118 #5F7918

monochromatic

#050A1A #0E1B46 #182F79 #2243AC #355BD7

Accessibility & contrast

On white

12.20

#182F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#182F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F79

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F79	#FFFFFF	#000000	##FFFFFF
##182F79	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182f79;
/* rgb */ color: rgb(24, 47, 121);
/* oklch */ color: oklch(33.8% 0.130 266.2);

Tailwind

colors: {
  custom: {
    50: '#6667a0',
    500: '#182f79',
    950: '#000000',
  },
}

SCSS

$custom: #182f79;
$custom-light: #6667a0;
$custom-dark: #000000;

JSON

{
  "hex": "#182f79",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 121
  },
  "hsl": {
    "h": 225.773,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33795,
    "c": 0.12952,
    "h": 266.2
  },
  "luminance": 0.03608
}

Semantic roles & 50–950 ramp

primary

#182F79

secondary

#AE943F

accent

#C13EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #182F79

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

Preview Lab → · Contrast checker → · Palette generator →