#180D3F#180D3F

#180D3F is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.3% C 0.090 H 286.1°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#180D3F
RGB	rgb(24, 13, 63)
HSL	hsl(253, 66%, 15%)
HSV	hsv(253, 79%, 25%)
CMYK	cmyk(61.9%, 79.4%, 0%, 75.3%)
CIE-LAB	lab(7.59, 21.37, -29.92)
CIE-LCH	lch(7.59, 36.77, 305.54°)
OKLab	oklab(21.27% 0.0248 -0.086)
OKLCH	oklch(21.27% 0.09 286.1)
XYZ	xyz(1.4175, 0.8408, 4.7893)
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

#180D3F #343F0D

analogous

#0D1B3F #180D3F #310D3F

triadic

#180D3F #3F180D #0D3F18

tetradic

#180D3F #3F0D1B #343F0D #0D3F31

square

#180D3F #3F0D1B #343F0D #0D3F31

split-complementary

#180D3F #3F310D #1B3F0D

monochromatic

#0A0519 #0A0519 #180D3F #2B1772 #3F22A4

Accessibility & contrast

On white

17.98

#180D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D3F

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D3F	#FFFFFF	#000000	##FFFFFF
##180D3F	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)

#001841

Deuteranopia (green-blind)

#00153E

Tritanopia (blue-blind)

#071A24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180d3f;
/* rgb */ color: rgb(24, 13, 63);
/* oklch */ color: oklch(21.3% 0.090 286.1);

Tailwind

colors: {
  custom: {
    50: '#5a4c75',
    500: '#180d3f',
    950: '#000000',
  },
}

SCSS

$custom: #180d3f;
$custom-light: #5a4c75;
$custom-dark: #000000;

JSON

{
  "hex": "#180d3f",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 63
  },
  "hsl": {
    "h": 253.2,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21267,
    "c": 0.08956,
    "h": 286.1
  },
  "luminance": 0.00841
}

Semantic roles & 50–950 ramp

primary

#180D3F

secondary

#6A7B2D

accent

#E93FC3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180D3F

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

Preview Lab → · Contrast checker → · Palette generator →