#181853#181853

#181853 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.104 H 276.0°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#181853
RGB	rgb(24, 24, 83)
HSL	hsl(240, 55%, 21%)
HSV	hsv(240, 71%, 33%)
CMYK	cmyk(71.1%, 71.1%, 0%, 67.5%)
CIE-LAB	lab(12.43, 21.33, -35.95)
CIE-LCH	lch(12.43, 41.80, 300.69°)
OKLab	oklab(25.39% 0.0109 -0.1037)
OKLCH	oklch(25.39% 0.104 276)
XYZ	xyz(2.2641, 1.4718, 8.3467)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181853 #535318

analogous

#183553 #181853 #351853

triadic

#181853 #531818 #185318

tetradic

#181853 #531835 #535318 #185335

square

#181853 #531835 #535318 #185335

split-complementary

#181853 #533518 #355318

monochromatic

#070718 #0A0A24 #181853 #262682 #3333B2

Accessibility & contrast

On white

16.22

#181853 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#181853 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181853

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181853	#FFFFFF	#000000	##FFFFFF
##181853	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002355

Deuteranopia (green-blind)

#001E52

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #181853;
/* rgb */ color: rgb(24, 24, 83);
/* oklch */ color: oklch(25.4% 0.104 276.0);

Tailwind

colors: {
  custom: {
    50: '#5e5584',
    500: '#181853',
    950: '#000000',
  },
}

SCSS

$custom: #181853;
$custom-light: #5e5584;
$custom-dark: #000000;

JSON

{
  "hex": "#181853",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 83
  },
  "hsl": {
    "h": 240,
    "s": 55.14,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25387,
    "c": 0.10426,
    "h": 276
  },
  "luminance": 0.01472
}

Semantic roles & 50–950 ramp

primary

#181853

secondary

#8A8A3D

accent

#DE49DE

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #181853

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

Preview Lab → · Contrast checker → · Palette generator →