#181990#181990

#181990 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.184 H 269.7°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#181990
RGB	rgb(24, 25, 144)
HSL	hsl(240, 71%, 33%)
HSV	hsv(240, 83%, 56%)
CMYK	cmyk(83.3%, 82.6%, 0%, 43.5%)
CIE-LAB	lab(19.65, 42.70, -63.62)
CIE-LCH	lch(19.65, 76.62, 303.87°)
OKLab	oklab(32.58% -0.0009 -0.1842)
OKLCH	oklch(32.58% 0.184 269.7)
XYZ	xyz(5.7566, 2.9024, 26.6370)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181990 #908F18

analogous

#185590 #181990 #531890

triadic

#181990 #901819 #199018

tetradic

#181990 #901855 #908F18 #189053

square

#181990 #901855 #908F18 #189053

split-complementary

#181990 #905318 #559018

monochromatic

#070727 #0F105C #181990 #2122C4 #4344E0

Accessibility & contrast

On white

13.29

#181990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#181990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181990

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181990	#FFFFFF	#000000	##FFFFFF
##181990	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#00298E

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #181990;
/* rgb */ color: rgb(24, 25, 144);
/* oklch */ color: oklch(32.6% 0.184 269.7);

Tailwind

colors: {
  custom: {
    50: '#6e59b2',
    500: '#181990',
    950: '#000000',
  },
}

SCSS

$custom: #181990;
$custom-light: #6e59b2;
$custom-dark: #000000;

JSON

{
  "hex": "#181990",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 144
  },
  "hsl": {
    "h": 239.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32583,
    "c": 0.18423,
    "h": 269.7
  },
  "luminance": 0.02903
}

Semantic roles & 50–950 ramp

primary

#181990

secondary

#C0BF43

accent

#ED3AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #181990

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

Preview Lab → · Contrast checker → · Palette generator →