#181984#181984

#181984 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.170 H 270.6°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#181984
RGB	rgb(24, 25, 132)
HSL	hsl(239, 69%, 31%)
HSV	hsv(239, 82%, 52%)
CMYK	cmyk(81.8%, 81.1%, 0%, 48.2%)
CIE-LAB	lab(18.16, 38.67, -58.56)
CIE-LCH	lch(18.16, 70.18, 303.44°)
OKLab	oklab(31.12% 0.0017 -0.1696)
OKLCH	oklch(31.12% 0.17 270.6)
XYZ	xyz(4.8878, 2.5548, 22.0609)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181984 #848318

analogous

#184F84 #181984 #4D1884

triadic

#181984 #841819 #198418

tetradic

#181984 #84184F #848318 #18844D

square

#181984 #84184F #848318 #18844D

split-complementary

#181984 #844D18 #4F8418

monochromatic

#05051C #0F0F50 #181984 #2123B8 #3B3DDB

Accessibility & contrast

On white

13.90

#181984 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#181984 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181984

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181984	#FFFFFF	#000000	##FFFFFF
##181984	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002782

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #181984;
/* rgb */ color: rgb(24, 25, 132);
/* oklch */ color: oklch(31.1% 0.170 270.6);

Tailwind

colors: {
  custom: {
    50: '#6b58a9',
    500: '#181984',
    950: '#000000',
  },
}

SCSS

$custom: #181984;
$custom-light: #6b58a9;
$custom-dark: #000000;

JSON

{
  "hex": "#181984",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 132
  },
  "hsl": {
    "h": 239.444,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31118,
    "c": 0.16959,
    "h": 270.6
  },
  "luminance": 0.02555
}

Semantic roles & 50–950 ramp

primary

#181984

secondary

#B8B740

accent

#EA3CEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181984

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

Preview Lab → · Contrast checker → · Palette generator →