#181569#181569

#181569 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.139 H 273.8°. Best body text is #FFFFFF at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#181569
RGB	rgb(24, 21, 105)
HSL	hsl(242, 67%, 25%)
HSV	hsv(242, 80%, 41%)
CMYK	cmyk(77.1%, 80%, 0%, 58.8%)
CIE-LAB	lab(14.12, 31.53, -47.88)
CIE-LCH	lch(14.12, 57.33, 303.37°)
OKLab	oklab(27.32% 0.0091 -0.1385)
OKLCH	oklch(27.32% 0.139 273.8)
XYZ	xyz(3.1938, 1.7501, 13.5314)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181569 #666915

analogous

#153C69 #181569 #421569

triadic

#181569 #691815 #156918

tetradic

#181569 #69153C #666915 #156942

square

#181569 #69153C #666915 #156942

split-complementary

#181569 #694215 #3C6915

monochromatic

#06051A #0C0B36 #181569 #241F9C #2F29CF

Accessibility & contrast

On white

15.56

#181569 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#181569 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181569

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181569	#FFFFFF	#000000	##FFFFFF
##181569	1.00	15.56	1.35	15.56
#FFFFFF	15.56	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286B

Deuteranopia (green-blind)

#002068

Tritanopia (blue-blind)

#002E3E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181569;
/* rgb */ color: rgb(24, 21, 105);
/* oklch */ color: oklch(27.3% 0.139 273.8);

Tailwind

colors: {
  custom: {
    50: '#645495',
    500: '#181569',
    950: '#000000',
  },
}

SCSS

$custom: #181569;
$custom-light: #645495;
$custom-dark: #000000;

JSON

{
  "hex": "#181569",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 105
  },
  "hsl": {
    "h": 242.143,
    "s": 66.667,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27321,
    "c": 0.13882,
    "h": 273.8
  },
  "luminance": 0.0175
}

Semantic roles & 50–950 ramp

primary

#181569

secondary

#9CA03A

accent

#EA3EE3

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181569

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

Preview Lab → · Contrast checker → · Palette generator →