#180A2C#180A2C

#180A2C is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.8% C 0.066 H 298.9°. Best body text is #FFFFFF at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#180A2C
RGB	rgb(24, 10, 44)
HSL	hsl(265, 63%, 11%)
HSV	hsv(265, 77%, 17%)
CMYK	cmyk(45.5%, 77.3%, 0%, 82.7%)
CIE-LAB	lab(5.36, 15.26, -19.62)
CIE-LCH	lch(5.36, 24.85, 307.87°)
OKLab	oklab(18.83% 0.0318 -0.0576)
OKLCH	oklch(18.83% 0.066 298.9)
XYZ	xyz(0.9397, 0.5931, 2.4474)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A2C #1E2C0A

analogous

#0A0D2C #180A2C #290A2C

triadic

#180A2C #2C180A #0A2C18

tetradic

#180A2C #2C0A0D #1E2C0A #0A2C29

square

#180A2C #2C0A0D #1E2C0A #0A2C29

split-complementary

#180A2C #2C290A #0D2C0A

monochromatic

#0E0619 #0E0619 #180A2C #33155E #4E2190

Accessibility & contrast

On white

18.77

#180A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A2C

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A2C	#FFFFFF	#000000	##FFFFFF
##180A2C	1.00	18.77	1.12	18.77
#FFFFFF	18.77	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122D

Deuteranopia (green-blind)

#01112B

Tritanopia (blue-blind)

#131219

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #180a2c;
/* rgb */ color: rgb(24, 10, 44);
/* oklch */ color: oklch(18.8% 0.066 298.9);

Tailwind

colors: {
  custom: {
    50: '#564b65',
    500: '#180a2c',
    950: '#000000',
  },
}

SCSS

$custom: #180a2c;
$custom-light: #564b65;
$custom-dark: #000000;

JSON

{
  "hex": "#180a2c",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 44
  },
  "hsl": {
    "h": 264.706,
    "s": 62.963,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18826,
    "c": 0.06574,
    "h": 298.9
  },
  "luminance": 0.00593
}

Semantic roles & 50–950 ramp

primary

#180A2C

secondary

#4F6929

accent

#E642A2

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030105

muted

#78777A

Preview Lab

Preview with #180A2C

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

Preview Lab → · Contrast checker → · Palette generator →