#180C45#180C45

#180C45 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.8% C 0.100 H 284.1°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#180C45
RGB	rgb(24, 12, 69)
HSL	hsl(253, 70%, 16%)
HSV	hsv(253, 83%, 27%)
CMYK	cmyk(65.2%, 82.6%, 0%, 72.9%)
CIE-LAB	lab(8.01, 24.17, -33.50)
CIE-LCH	lch(8.01, 41.31, 305.82°)
OKLab	oklab(21.76% 0.0243 -0.0965)
OKLCH	oklch(21.76% 0.1 284.1)
XYZ	xyz(1.5820, 0.8867, 5.7169)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C45 #39450C

analogous

#0C1C45 #180C45 #340C45

triadic

#180C45 #45180C #0C4518

tetradic

#180C45 #450C1C #39450C #0C4534

square

#180C45 #450C1C #39450C #0C4534

split-complementary

#180C45 #45340C #1C450C

monochromatic

#09051A #09051A #180C45 #2A1579 #3C1EAD

Accessibility & contrast

On white

17.84

#180C45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#180C45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C45

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C45	#FFFFFF	#000000	##FFFFFF
##180C45	1.00	17.84	1.18	17.84
#FFFFFF	17.84	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001947

Deuteranopia (green-blind)

#001644

Tritanopia (blue-blind)

#021C27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #180c45;
/* rgb */ color: rgb(24, 12, 69);
/* oklch */ color: oklch(21.8% 0.100 284.1);

Tailwind

colors: {
  custom: {
    50: '#5c4c79',
    500: '#180c45',
    950: '#000000',
  },
}

SCSS

$custom: #180c45;
$custom-light: #5c4c79;
$custom-dark: #000000;

JSON

{
  "hex": "#180c45",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 69
  },
  "hsl": {
    "h": 252.632,
    "s": 70.37,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21764,
    "c": 0.0995,
    "h": 284.1
  },
  "luminance": 0.00887
}

Semantic roles & 50–950 ramp

primary

#180C45

secondary

#6F812C

accent

#ED3BC8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #180C45

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

Preview Lab → · Contrast checker → · Palette generator →