#180C41#180C41

#180C41 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.3% C 0.094 H 285.7°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#180C41
RGB	rgb(24, 12, 65)
HSL	hsl(254, 69%, 15%)
HSV	hsv(254, 82%, 25%)
CMYK	cmyk(63.1%, 81.5%, 0%, 74.5%)
CIE-LAB	lab(7.58, 22.73, -31.37)
CIE-LCH	lch(7.58, 38.74, 305.92°)
OKLab	oklab(21.32% 0.0254 -0.0903)
OKLCH	oklch(21.32% 0.094 285.7)
XYZ	xyz(1.4620, 0.8387, 5.0848)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C41 #35410C

analogous

#0C1A41 #180C41 #320C41

triadic

#180C41 #41180C #0C4118

tetradic

#180C41 #410C1A #35410C #0C4132

square

#180C41 #410C1A #35410C #0C4132

split-complementary

#180C41 #41320C #1A410C

monochromatic

#0A051A #0A051A #180C41 #2B1675 #3E1FA8

Accessibility & contrast

On white

17.98

#180C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C41

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C41	#FFFFFF	#000000	##FFFFFF
##180C41	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001843

Deuteranopia (green-blind)

#001540

Tritanopia (blue-blind)

#061A25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180c41;
/* rgb */ color: rgb(24, 12, 65);
/* oklch */ color: oklch(21.3% 0.094 285.7);

Tailwind

colors: {
  custom: {
    50: '#5b4c76',
    500: '#180c41',
    950: '#000000',
  },
}

SCSS

$custom: #180c41;
$custom-light: #5b4c76;
$custom-dark: #000000;

JSON

{
  "hex": "#180c41",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 65
  },
  "hsl": {
    "h": 253.585,
    "s": 68.831,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21318,
    "c": 0.09381,
    "h": 285.7
  },
  "luminance": 0.00839
}

Semantic roles & 50–950 ramp

primary

#180C41

secondary

#6B7D2C

accent

#EC3CC4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180C41

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

Preview Lab → · Contrast checker → · Palette generator →