#180D39#180D39

#180D39 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.6% C 0.081 H 288.8°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#180D39
RGB	rgb(24, 13, 57)
HSL	hsl(255, 63%, 14%)
HSV	hsv(255, 77%, 22%)
CMYK	cmyk(57.9%, 77.2%, 0%, 77.6%)
CIE-LAB	lab(7.02, 19.07, -26.54)
CIE-LCH	lch(7.02, 32.68, 305.70°)
OKLab	oklab(20.64% 0.026 -0.0763)
OKLCH	oklch(20.64% 0.081 288.8)
XYZ	xyz(1.2589, 0.7774, 3.9538)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D39 #2E390D

analogous

#0D1839 #180D39 #2E0D39

triadic

#180D39 #39180D #0D3918

tetradic

#180D39 #390D18 #2E390D #0D392E

square

#180D39 #390D18 #2E390D #0D392E

split-complementary

#180D39 #392E0D #18390D

monochromatic

#0A0619 #0A0619 #180D39 #2D186B #42249D

Accessibility & contrast

On white

18.18

#180D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D39

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D39	#FFFFFF	#000000	##FFFFFF
##180D39	1.00	18.18	1.16	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#0C1821

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180d39;
/* rgb */ color: rgb(24, 13, 57);
/* oklch */ color: oklch(20.6% 0.081 288.8);

Tailwind

colors: {
  custom: {
    50: '#594c70',
    500: '#180d39',
    950: '#000000',
  },
}

SCSS

$custom: #180d39;
$custom-light: #594c70;
$custom-dark: #000000;

JSON

{
  "hex": "#180d39",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 57
  },
  "hsl": {
    "h": 255,
    "s": 62.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20641,
    "c": 0.0806,
    "h": 288.8
  },
  "luminance": 0.00777
}

Semantic roles & 50–950 ramp

primary

#180D39

secondary

#63742D

accent

#E642BD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180D39

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

Preview Lab → · Contrast checker → · Palette generator →