#182F7C#182F7C

#182F7C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.134 H 266.4°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#182F7C
RGB	rgb(24, 47, 124)
HSL	hsl(226, 68%, 29%)
HSV	hsv(226, 81%, 49%)
CMYK	cmyk(80.6%, 62.1%, 0%, 51.4%)
CIE-LAB	lab(22.59, 21.38, -46.22)
CIE-LCH	lch(22.59, 50.92, 294.83°)
OKLab	oklab(34.07% -0.0084 -0.1336)
OKLCH	oklch(34.07% 0.134 266.4)
XYZ	xyz(5.0300, 3.6819, 19.5104)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F7C #7C6518

analogous

#18617C #182F7C #33187C

triadic

#182F7C #7C182F #2F7C18

tetradic

#182F7C #7C1861 #7C6518 #187C33

square

#182F7C #7C1861 #7C6518 #187C33

split-complementary

#182F7C #7C3318 #617C18

monochromatic

#050A1A #0E1C49 #182F7C #2242AF #365BD8

Accessibility & contrast

On white

12.09

#182F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#182F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F7C

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F7C	#FFFFFF	#000000	##FFFFFF
##182F7C	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #182f7c;
/* rgb */ color: rgb(24, 47, 124);
/* oklch */ color: oklch(34.1% 0.134 266.4);

Tailwind

colors: {
  custom: {
    50: '#6767a3',
    500: '#182f7c',
    950: '#000000',
  },
}

SCSS

$custom: #182f7c;
$custom-light: #6767a3;
$custom-dark: #000000;

JSON

{
  "hex": "#182f7c",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 124
  },
  "hsl": {
    "h": 226.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34074,
    "c": 0.13384,
    "h": 266.4
  },
  "luminance": 0.03682
}

Semantic roles & 50–950 ramp

primary

#182F7C

secondary

#B1973F

accent

#C33DEA

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #182F7C

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

Preview Lab → · Contrast checker → · Palette generator →