#181890#181890

#181890 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.185 H 269.8°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#181890
RGB	rgb(24, 24, 144)
HSL	hsl(240, 71%, 33%)
HSV	hsv(240, 83%, 56%)
CMYK	cmyk(83.3%, 83.3%, 0%, 43.5%)
CIE-LAB	lab(19.48, 43.21, -63.91)
CIE-LCH	lch(19.48, 77.14, 304.06°)
OKLab	oklab(32.46% -0.0006 -0.185)
OKLCH	oklch(32.46% 0.185 269.8)
XYZ	xyz(5.7357, 2.8604, 26.6300)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181890 #909018

analogous

#185490 #181890 #541890

triadic

#181890 #901818 #189018

tetradic

#181890 #901854 #909018 #189054

square

#181890 #901854 #909018 #189054

split-complementary

#181890 #905418 #549018

monochromatic

#070727 #0F0F5C #181890 #2121C4 #4343E0

Accessibility & contrast

On white

13.36

#181890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#181890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181890

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181890	#FFFFFF	#000000	##FFFFFF
##181890	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003593

Deuteranopia (green-blind)

#00298E

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #181890;
/* rgb */ color: rgb(24, 24, 144);
/* oklch */ color: oklch(32.5% 0.185 269.8);

Tailwind

colors: {
  custom: {
    50: '#6e58b2',
    500: '#181890',
    950: '#000000',
  },
}

SCSS

$custom: #181890;
$custom-light: #6e58b2;
$custom-dark: #000000;

JSON

{
  "hex": "#181890",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 144
  },
  "hsl": {
    "h": 240,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32462,
    "c": 0.18504,
    "h": 269.8
  },
  "luminance": 0.02861
}

Semantic roles & 50–950 ramp

primary

#181890

secondary

#C0C043

accent

#EE3AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #181890

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

Preview Lab → · Contrast checker → · Palette generator →