#180D3A#180D3A

#180D3A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.7% C 0.082 H 288.3°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#180D3A
RGB	rgb(24, 13, 58)
HSL	hsl(255, 63%, 14%)
HSV	hsv(255, 78%, 23%)
CMYK	cmyk(58.6%, 77.6%, 0%, 77.3%)
CIE-LAB	lab(7.11, 19.46, -27.11)
CIE-LCH	lch(7.11, 33.37, 305.67°)
OKLab	oklab(20.74% 0.0258 -0.0779)
OKLCH	oklch(20.74% 0.082 288.3)
XYZ	xyz(1.2841, 0.7875, 4.0865)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D3A #2F3A0D

analogous

#0D193A #180D3A #2F0D3A

triadic

#180D3A #3A180D #0D3A18

tetradic

#180D3A #3A0D19 #2F3A0D #0D3A2F

square

#180D3A #3A0D19 #2F3A0D #0D3A2F

split-complementary

#180D3A #3A2F0D #193A0D

monochromatic

#0A0619 #0A0619 #180D3A #2D186C #41239E

Accessibility & contrast

On white

18.14

#180D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D3A

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D3A	#FFFFFF	#000000	##FFFFFF
##180D3A	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#0C1822

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180d3a;
/* rgb */ color: rgb(24, 13, 58);
/* oklch */ color: oklch(20.7% 0.082 288.3);

Tailwind

colors: {
  custom: {
    50: '#594c71',
    500: '#180d3a',
    950: '#000000',
  },
}

SCSS

$custom: #180d3a;
$custom-light: #594c71;
$custom-dark: #000000;

JSON

{
  "hex": "#180d3a",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 58
  },
  "hsl": {
    "h": 254.667,
    "s": 63.38,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20743,
    "c": 0.08211,
    "h": 288.3
  },
  "luminance": 0.00788
}

Semantic roles & 50–950 ramp

primary

#180D3A

secondary

#64762D

accent

#E641BE

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180D3A

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

Preview Lab → · Contrast checker → · Palette generator →