#182178#182178

#182178 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.146 H 270.1°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#182178
RGB	rgb(24, 33, 120)
HSL	hsl(234, 67%, 28%)
HSV	hsv(234, 80%, 47%)
CMYK	cmyk(80%, 72.5%, 0%, 52.9%)
CIE-LAB	lab(18.53, 29.46, -50.33)
CIE-LCH	lch(18.53, 58.32, 300.34°)
OKLab	oklab(30.97% 0.0004 -0.1457)
OKLCH	oklch(30.97% 0.146 270.1)
XYZ	xyz(4.3096, 2.6375, 18.0476)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182178 #786F18

analogous

#185178 #182178 #3F1878

triadic

#182178 #781821 #217818

tetradic

#182178 #781851 #786F18 #18783F

square

#182178 #781851 #786F18 #18783F

split-complementary

#182178 #783F18 #517818

monochromatic

#05071A #0E1345 #182178 #222FAB #3443D6

Accessibility & contrast

On white

13.75

#182178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182178

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182178	#FFFFFF	#000000	##FFFFFF
##182178	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002876

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182178;
/* rgb */ color: rgb(24, 33, 120);
/* oklch */ color: oklch(31.0% 0.146 270.1);

Tailwind

colors: {
  custom: {
    50: '#675ca0',
    500: '#182178',
    950: '#000000',
  },
}

SCSS

$custom: #182178;
$custom-light: #675ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#182178",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 120
  },
  "hsl": {
    "h": 234.375,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30973,
    "c": 0.14571,
    "h": 270.1
  },
  "luminance": 0.02638
}

Semantic roles & 50–950 ramp

primary

#182178

secondary

#ADA33F

accent

#DA3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #182178

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

Preview Lab → · Contrast checker → · Palette generator →