#180631#180631

#180631 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.6% C 0.080 H 297.3°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#180631
RGB	rgb(24, 6, 49)
HSL	hsl(265, 78%, 11%)
HSV	hsv(265, 88%, 19%)
CMYK	cmyk(51%, 87.8%, 0%, 80.8%)
CIE-LAB	lab(4.93, 19.18, -24.03)
CIE-LCH	lch(4.93, 30.75, 308.60°)
OKLab	oklab(18.57% 0.0368 -0.0712)
OKLCH	oklch(18.57% 0.08 297.3)
XYZ	xyz(0.9960, 0.5462, 2.9581)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 5.40

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180631 #1F3106

analogous

#060931 #180631 #2D0631

triadic

#180631 #311806 #063118

tetradic

#180631 #310609 #1F3106 #06312D

square

#180631 #310609 #1F3106 #06312D

split-complementary

#180631 #312D06 #093106

monochromatic

#0D031B #0D031B #180631 #330D68 #4D139E

Accessibility & contrast

On white

18.93

#180631 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#180631 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180631

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180631	#FFFFFF	#000000	##FFFFFF
##180631	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001132

Deuteranopia (green-blind)

#001030

Tritanopia (blue-blind)

#12111A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180631;
/* rgb */ color: rgb(24, 6, 49);
/* oklch */ color: oklch(18.6% 0.080 297.3);

Tailwind

colors: {
  custom: {
    50: '#574869',
    500: '#180631',
    950: '#000000',
  },
}

SCSS

$custom: #180631;
$custom-light: #574869;
$custom-dark: #000000;

JSON

{
  "hex": "#180631",
  "rgb": {
    "r": 24,
    "g": 6,
    "b": 49
  },
  "hsl": {
    "h": 265.116,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.18571,
    "c": 0.08018,
    "h": 297.3
  },
  "luminance": 0.00546
}

Semantic roles & 50–950 ramp

primary

#180631

secondary

#507221

accent

#F533A4

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #180631

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

Preview Lab → · Contrast checker → · Palette generator →