#182A77#182A77

#182A77 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.133 H 267.8°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#182A77
RGB	rgb(24, 42, 119)
HSL	hsl(229, 66%, 28%)
HSV	hsv(229, 80%, 47%)
CMYK	cmyk(79.8%, 64.7%, 0%, 53.3%)
CIE-LAB	lab(20.76, 22.89, -46.03)
CIE-LCH	lch(20.76, 51.41, 296.44°)
OKLab	oklab(32.57% -0.005 -0.1331)
OKLCH	oklch(32.57% 0.133 267.8)
XYZ	xyz(4.5333, 3.1815, 17.8244)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A77 #776518

analogous

#185977 #182A77 #361877

triadic

#182A77 #77182A #2A7718

tetradic

#182A77 #771859 #776518 #187736

square

#182A77 #771859 #776518 #187736

split-complementary

#182A77 #773618 #597718

monochromatic

#050919 #0E1844 #182A77 #223CAA #3352D6

Accessibility & contrast

On white

12.83

#182A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#182A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A77

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A77	#FFFFFF	#000000	##FFFFFF
##182A77	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182a77;
/* rgb */ color: rgb(24, 42, 119);
/* oklch */ color: oklch(32.6% 0.133 267.8);

Tailwind

colors: {
  custom: {
    50: '#66639f',
    500: '#182a77',
    950: '#000000',
  },
}

SCSS

$custom: #182a77;
$custom-light: #66639f;
$custom-dark: #000000;

JSON

{
  "hex": "#182a77",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 119
  },
  "hsl": {
    "h": 228.632,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32571,
    "c": 0.13319,
    "h": 267.8
  },
  "luminance": 0.03182
}

Semantic roles & 50–950 ramp

primary

#182A77

secondary

#AC973F

accent

#C93EE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #182A77

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

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