#182A74#182A74

#182A74 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.129 H 267.8°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#182A74
RGB	rgb(24, 42, 116)
HSL	hsl(228, 66%, 27%)
HSV	hsv(228, 79%, 45%)
CMYK	cmyk(79.3%, 63.8%, 0%, 54.5%)
CIE-LAB	lab(20.48, 21.68, -44.56)
CIE-LCH	lch(20.48, 49.56, 295.95°)
OKLab	oklab(32.28% -0.005 -0.1288)
OKLCH	oklch(32.28% 0.129 267.8)
XYZ	xyz(4.3559, 3.1106, 16.8904)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A74 #746218

analogous

#185874 #182A74 #341874

triadic

#182A74 #74182A #2A7418

tetradic

#182A74 #741858 #746218 #187434

square

#182A74 #741858 #746218 #187434

split-complementary

#182A74 #743418 #587418

monochromatic

#050919 #0E1841 #182A74 #223CA7 #3252D5

Accessibility & contrast

On white

12.95

#182A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#182A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A74

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A74	#FFFFFF	#000000	##FFFFFF
##182A74	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003676

Deuteranopia (green-blind)

#002D73

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182a74;
/* rgb */ color: rgb(24, 42, 116);
/* oklch */ color: oklch(32.3% 0.129 267.8);

Tailwind

colors: {
  custom: {
    50: '#65639d',
    500: '#182a74',
    950: '#000000',
  },
}

SCSS

$custom: #182a74;
$custom-light: #65639d;
$custom-dark: #000000;

JSON

{
  "hex": "#182a74",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 116
  },
  "hsl": {
    "h": 228.261,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.32282,
    "c": 0.12888,
    "h": 267.8
  },
  "luminance": 0.03111
}

Semantic roles & 50–950 ramp

primary

#182A74

secondary

#A9943F

accent

#C73FE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182A74

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

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