#180C31#180C31

#180C31 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.7% C 0.070 H 293.9°. Best body text is #FFFFFF at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#180C31
RGB	rgb(24, 12, 49)
HSL	hsl(259, 61%, 12%)
HSV	hsv(259, 76%, 19%)
CMYK	cmyk(51%, 75.5%, 0%, 80.8%)
CIE-LAB	lab(6.13, 16.40, -22.11)
CIE-LCH	lch(6.13, 27.53, 306.55°)
OKLab	oklab(19.67% 0.0284 -0.0639)
OKLCH	oklch(19.67% 0.07 293.9)
XYZ	xyz(1.0624, 0.6789, 2.9802)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.21

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C31 #25310C

analogous

#0C1331 #180C31 #2B0C31

triadic

#180C31 #31180C #0C3118

tetradic

#180C31 #310C13 #25310C #0C312B

square

#180C31 #310C13 #25310C #0C312B

split-complementary

#180C31 #312B0C #13310C

monochromatic

#0C0619 #0C0619 #180C31 #301862 #482493

Accessibility & contrast

On white

18.49

#180C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C31

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C31	#FFFFFF	#000000	##FFFFFF
##180C31	1.00	18.49	1.14	18.49
#FFFFFF	18.49	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001432

Deuteranopia (green-blind)

#001330

Tritanopia (blue-blind)

#11141C

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180c31;
/* rgb */ color: rgb(24, 12, 49);
/* oklch */ color: oklch(19.7% 0.070 293.9);

Tailwind

colors: {
  custom: {
    50: '#574b69',
    500: '#180c31',
    950: '#000000',
  },
}

SCSS

$custom: #180c31;
$custom-light: #574b69;
$custom-dark: #000000;

JSON

{
  "hex": "#180c31",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 49
  },
  "hsl": {
    "h": 259.459,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19669,
    "c": 0.06995,
    "h": 293.9
  },
  "luminance": 0.00679
}

Semantic roles & 50–950 ramp

primary

#180C31

secondary

#586D2C

accent

#E444B0

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #180C31

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

Preview Lab → · Contrast checker → · Palette generator →