#180A43#180A43

#180A43 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.2% C 0.099 H 285.6°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#180A43
RGB	rgb(24, 10, 67)
HSL	hsl(255, 74%, 15%)
HSV	hsv(255, 85%, 26%)
CMYK	cmyk(64.2%, 85.1%, 0%, 73.7%)
CIE-LAB	lab(7.37, 24.61, -33.12)
CIE-LCH	lch(7.37, 41.27, 306.61°)
OKLab	oklab(21.24% 0.0266 -0.0955)
OKLCH	oklch(21.24% 0.099 285.6)
XYZ	xyz(1.4980, 0.8164, 5.3878)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A43 #35430A

analogous

#0A1843 #180A43 #350A43

triadic

#180A43 #43180A #0A4318

tetradic

#180A43 #430A18 #35430A #0A4335

square

#180A43 #430A18 #35430A #0A4335

split-complementary

#180A43 #43350A #18430A

monochromatic

#0A041B #0A041B #180A43 #2B1278 #3E1AAE

Accessibility & contrast

On white

18.05

#180A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A43

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A43	#FFFFFF	#000000	##FFFFFF
##180A43	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001845

Deuteranopia (green-blind)

#001542

Tritanopia (blue-blind)

#041A26

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180a43;
/* rgb */ color: rgb(24, 10, 67);
/* oklch */ color: oklch(21.2% 0.099 285.6);

Tailwind

colors: {
  custom: {
    50: '#5b4b78',
    500: '#180a43',
    950: '#000000',
  },
}

SCSS

$custom: #180a43;
$custom-light: #5b4b78;
$custom-dark: #000000;

JSON

{
  "hex": "#180a43",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 67
  },
  "hsl": {
    "h": 254.737,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21237,
    "c": 0.09911,
    "h": 285.6
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#180A43

secondary

#6B8029

accent

#F137C3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #180A43

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

Preview Lab → · Contrast checker → · Palette generator →