#180540#180540

#180540 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.1% C 0.101 H 288.6°. Best body text is #FFFFFF at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#180540
RGB	rgb(24, 5, 64)
HSL	hsl(259, 86%, 14%)
HSV	hsv(259, 92%, 25%)
CMYK	cmyk(62.5%, 92.2%, 0%, 74.9%)
CIE-LAB	lab(6.08, 26.11, -33.11)
CIE-LCH	lch(6.08, 42.17, 308.26°)
OKLab	oklab(20.12% 0.0324 -0.0962)
OKLCH	oklch(20.12% 0.101 288.6)
XYZ	xyz(1.3561, 0.6728, 4.9079)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180540 #2D4005

analogous

#050F40 #180540 #350540

triadic

#180540 #401805 #054018

tetradic

#180540 #40050F #2D4005 #054035

square

#180540 #40050F #2D4005 #054035

split-complementary

#180540 #403505 #0F4005

monochromatic

#0B021C #0B021C #180540 #2D0979 #430EB2

Accessibility & contrast

On white

18.51

#180540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180540

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180540	#FFFFFF	#000000	##FFFFFF
##180540	1.00	18.51	1.13	18.51
#FFFFFF	18.51	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001542

Deuteranopia (green-blind)

#00123F

Tritanopia (blue-blind)

#071623

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180540;
/* rgb */ color: rgb(24, 5, 64);
/* oklch */ color: oklch(20.1% 0.101 288.6);

Tailwind

colors: {
  custom: {
    50: '#5b4875',
    500: '#180540',
    950: '#000000',
  },
}

SCSS

$custom: #180540;
$custom-light: #5b4875;
$custom-dark: #000000;

JSON

{
  "hex": "#180540",
  "rgb": {
    "r": 24,
    "g": 5,
    "b": 64
  },
  "hsl": {
    "h": 259.322,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.20116,
    "c": 0.10149,
    "h": 288.6
  },
  "luminance": 0.00673
}

Semantic roles & 50–950 ramp

primary

#180540

secondary

#628120

accent

#FC2CB9

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #180540

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

Preview Lab → · Contrast checker → · Palette generator →