#180739#180739

#180739 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.6% C 0.089 H 291.6°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#180739
RGB	rgb(24, 7, 57)
HSL	hsl(260, 78%, 13%)
HSV	hsv(260, 88%, 22%)
CMYK	cmyk(57.9%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(5.79, 22.19, -28.53)
CIE-LCH	lch(5.79, 36.14, 307.88°)
OKLab	oklab(19.63% 0.0329 -0.0831)
OKLCH	oklch(19.63% 0.089 291.6)
XYZ	xyz(1.1910, 0.6415, 3.9312)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180739 #283907

analogous

#070F39 #180739 #310739

triadic

#180739 #391807 #073918

tetradic

#180739 #39070F #283907 #073931

square

#180739 #39070F #283907 #073931

split-complementary

#180739 #393107 #0F3907

monochromatic

#0B031B #0B031B #180739 #2F0E70 #4614A6

Accessibility & contrast

On white

18.61

#180739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180739

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180739	#FFFFFF	#000000	##FFFFFF
##180739	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#001238

Tritanopia (blue-blind)

#0D151F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180739;
/* rgb */ color: rgb(24, 7, 57);
/* oklch */ color: oklch(19.6% 0.089 291.6);

Tailwind

colors: {
  custom: {
    50: '#594970',
    500: '#180739',
    950: '#000000',
  },
}

SCSS

$custom: #180739;
$custom-light: #594970;
$custom-dark: #000000;

JSON

{
  "hex": "#180739",
  "rgb": {
    "r": 24,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 260.4,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.19628,
    "c": 0.08938,
    "h": 291.6
  },
  "luminance": 0.00642
}

Semantic roles & 50–950 ramp

primary

#180739

secondary

#5C7923

accent

#F533B3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180739

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

Preview Lab → · Contrast checker → · Palette generator →