#181769#181769

#181769 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.137 H 273.4°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#181769
RGB	rgb(24, 23, 105)
HSL	hsl(241, 64%, 25%)
HSV	hsv(241, 78%, 41%)
CMYK	cmyk(77.1%, 78.1%, 0%, 58.8%)
CIE-LAB	lab(14.55, 30.31, -47.17)
CIE-LCH	lch(14.55, 56.06, 302.72°)
OKLab	oklab(27.63% 0.0081 -0.1365)
OKLCH	oklch(27.63% 0.137 273.4)
XYZ	xyz(3.2320, 1.8266, 13.5441)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181769 #686917

analogous

#173F69 #181769 #411769

triadic

#181769 #691817 #176918

tetradic

#181769 #69173F #686917 #176941

square

#181769 #69173F #686917 #176941

split-complementary

#181769 #694117 #3F6917

monochromatic

#060519 #0D0C37 #181769 #23229B #2F2DCD

Accessibility & contrast

On white

15.38

#181769 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181769 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181769

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181769	#FFFFFF	#000000	##FFFFFF
##181769	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296B

Deuteranopia (green-blind)

#002168

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181769;
/* rgb */ color: rgb(24, 23, 105);
/* oklch */ color: oklch(27.6% 0.137 273.4);

Tailwind

colors: {
  custom: {
    50: '#645595',
    500: '#181769',
    950: '#000000',
  },
}

SCSS

$custom: #181769;
$custom-light: #645595;
$custom-dark: #000000;

JSON

{
  "hex": "#181769",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 105
  },
  "hsl": {
    "h": 240.732,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27627,
    "c": 0.1367,
    "h": 273.4
  },
  "luminance": 0.01827
}

Semantic roles & 50–950 ramp

primary

#181769

secondary

#9E9F3D

accent

#E741E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181769

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

Preview Lab → · Contrast checker → · Palette generator →