#181872#181872

#181872 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.148 H 272.2°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#181872
RGB	rgb(24, 24, 114)
HSL	hsl(240, 65%, 27%)
HSV	hsv(240, 79%, 45%)
CMYK	cmyk(78.9%, 78.9%, 0%, 55.3%)
CIE-LAB	lab(15.81, 32.95, -50.95)
CIE-LCH	lch(15.81, 60.68, 302.89°)
OKLab	oklab(28.83% 0.0057 -0.1475)
OKLCH	oklch(28.83% 0.148 272.2)
XYZ	xyz(3.7396, 2.0620, 16.1172)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181872 #727218

analogous

#184572 #181872 #451872

triadic

#181872 #721818 #187218

tetradic

#181872 #721845 #727218 #187245

square

#181872 #721845 #727218 #187245

split-complementary

#181872 #724518 #457218

monochromatic

#050519 #0D0D3F #181872 #2323A5 #3131D4

Accessibility & contrast

On white

14.87

#181872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181872

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181872	#FFFFFF	#000000	##FFFFFF
##181872	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C75

Deuteranopia (green-blind)

#002370

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181872;
/* rgb */ color: rgb(24, 24, 114);
/* oklch */ color: oklch(28.8% 0.148 272.2);

Tailwind

colors: {
  custom: {
    50: '#66569c',
    500: '#181872',
    950: '#000000',
  },
}

SCSS

$custom: #181872;
$custom-light: #66569c;
$custom-dark: #000000;

JSON

{
  "hex": "#181872",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 114
  },
  "hsl": {
    "h": 240,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.28829,
    "c": 0.14759,
    "h": 272.2
  },
  "luminance": 0.02062
}

Semantic roles & 50–950 ramp

primary

#181872

secondary

#A7A73E

accent

#E840E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181872

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

Preview Lab → · Contrast checker → · Palette generator →