#180C39#180C39

#180C39 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.5% C 0.082 H 289.3°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#180C39
RGB	rgb(24, 12, 57)
HSL	hsl(256, 65%, 14%)
HSV	hsv(256, 79%, 22%)
CMYK	cmyk(57.9%, 78.9%, 0%, 77.6%)
CIE-LAB	lab(6.80, 19.65, -26.90)
CIE-LCH	lch(6.80, 33.31, 306.14°)
OKLab	oklab(20.46% 0.0272 -0.0775)
OKLCH	oklch(20.46% 0.082 289.3)
XYZ	xyz(1.2465, 0.7525, 3.9497)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C39 #2D390C

analogous

#0C1639 #180C39 #2E0C39

triadic

#180C39 #39180C #0C3918

tetradic

#180C39 #390C16 #2D390C #0C392E

square

#180C39 #390C16 #2D390C #0C392E

split-complementary

#180C39 #392E0C #16390C

monochromatic

#0B0519 #0B0519 #180C39 #2D176C #43219E

Accessibility & contrast

On white

18.25

#180C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#180C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C39

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C39	#FFFFFF	#000000	##FFFFFF
##180C39	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#0D1721

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #180c39;
/* rgb */ color: rgb(24, 12, 57);
/* oklch */ color: oklch(20.5% 0.082 289.3);

Tailwind

colors: {
  custom: {
    50: '#594b70',
    500: '#180c39',
    950: '#000000',
  },
}

SCSS

$custom: #180c39;
$custom-light: #594b70;
$custom-dark: #000000;

JSON

{
  "hex": "#180c39",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 57
  },
  "hsl": {
    "h": 256,
    "s": 65.217,
    "l": 13.529
  },
  "oklch": {
    "l": 0.20463,
    "c": 0.08212,
    "h": 289.3
  },
  "luminance": 0.00753
}

Semantic roles & 50–950 ramp

primary

#180C39

secondary

#62752C

accent

#E840BB

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180C39

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

Preview Lab → · Contrast checker → · Palette generator →