#181850#181850

#181850 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.100 H 276.4°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#181850
RGB	rgb(24, 24, 80)
HSL	hsl(240, 54%, 20%)
HSV	hsv(240, 70%, 31%)
CMYK	cmyk(70%, 70%, 0%, 68.6%)
CIE-LAB	lab(12.13, 20.16, -34.38)
CIE-LCH	lch(12.13, 39.86, 300.39°)
OKLab	oklab(25.08% 0.0112 -0.0991)
OKLCH	oklch(25.08% 0.1 276.4)
XYZ	xyz(2.1508, 1.4265, 7.7499)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181850 #505018

analogous

#183450 #181850 #341850

triadic

#181850 #501818 #185018

tetradic

#181850 #501834 #505018 #185034

square

#181850 #501834 #505018 #185034

split-complementary

#181850 #503418 #345018

monochromatic

#070718 #0A0A21 #181850 #26267F #3434AE

Accessibility & contrast

On white

16.34

#181850 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#181850 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181850

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181850	#FFFFFF	#000000	##FFFFFF
##181850	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002252

Deuteranopia (green-blind)

#001D4F

Tritanopia (blue-blind)

#002631

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #181850;
/* rgb */ color: rgb(24, 24, 80);
/* oklch */ color: oklch(25.1% 0.100 276.4);

Tailwind

colors: {
  custom: {
    50: '#5d5582',
    500: '#181850',
    950: '#000000',
  },
}

SCSS

$custom: #181850;
$custom-light: #5d5582;
$custom-dark: #000000;

JSON

{
  "hex": "#181850",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 80
  },
  "hsl": {
    "h": 240,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25081,
    "c": 0.09972,
    "h": 276.4
  },
  "luminance": 0.01427
}

Semantic roles & 50–950 ramp

primary

#181850

secondary

#87873D

accent

#DD4BDD

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05030A

muted

#79787C

Preview Lab

Preview with #181850

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

Preview Lab → · Contrast checker → · Palette generator →