#181369#181369

#181369 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.141 H 274.1°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#181369
RGB	rgb(24, 19, 105)
HSL	hsl(243, 69%, 24%)
HSV	hsv(243, 82%, 41%)
CMYK	cmyk(77.1%, 81.9%, 0%, 58.8%)
CIE-LAB	lab(13.71, 32.70, -48.56)
CIE-LCH	lch(13.71, 58.55, 303.96°)
OKLab	oklab(27.03% 0.01 -0.1405)
OKLCH	oklch(27.03% 0.141 274.1)
XYZ	xyz(3.1585, 1.6795, 13.5196)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181369 #646913

analogous

#133969 #181369 #431369

triadic

#181369 #691813 #136918

tetradic

#181369 #691339 #646913 #136943

square

#181369 #691339 #646913 #136943

split-complementary

#181369 #694313 #396913

monochromatic

#06051A #0C0A35 #181369 #241C9D #3026D1

Accessibility & contrast

On white

15.72

#181369 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#181369 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181369

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181369	#FFFFFF	#000000	##FFFFFF
##181369	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00276B

Deuteranopia (green-blind)

#001F68

Tritanopia (blue-blind)

#002D3E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #181369;
/* rgb */ color: rgb(24, 19, 105);
/* oklch */ color: oklch(27.0% 0.141 274.1);

Tailwind

colors: {
  custom: {
    50: '#645395',
    500: '#181369',
    950: '#000000',
  },
}

SCSS

$custom: #181369;
$custom-light: #645395;
$custom-dark: #000000;

JSON

{
  "hex": "#181369",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 105
  },
  "hsl": {
    "h": 243.488,
    "s": 69.355,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27033,
    "c": 0.14083,
    "h": 274.1
  },
  "luminance": 0.0168
}

Semantic roles & 50–950 ramp

primary

#181369

secondary

#9AA038

accent

#EC3CE2

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #181369

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

Preview Lab → · Contrast checker → · Palette generator →