#180633#180633

#180633 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.8% C 0.083 H 295.9°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#180633
RGB	rgb(24, 6, 51)
HSL	hsl(264, 79%, 11%)
HSV	hsv(264, 88%, 20%)
CMYK	cmyk(52.9%, 88.2%, 0%, 80%)
CIE-LAB	lab(5.09, 20.07, -25.26)
CIE-LCH	lch(5.09, 32.27, 308.47°)
OKLab	oklab(18.79% 0.0362 -0.0746)
OKLCH	oklch(18.79% 0.083 295.9)
XYZ	xyz(1.0392, 0.5634, 3.1853)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 5.19

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180633 #213306

analogous

#060A33 #180633 #2E0633

triadic

#180633 #331806 #063318

tetradic

#180633 #33060A #213306 #06332E

square

#180633 #33060A #213306 #06332E

split-complementary

#180633 #332E06 #0A3306

monochromatic

#0D031B #0D031B #180633 #320C6A #4C13A1

Accessibility & contrast

On white

18.87

#180633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#180633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180633

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180633	#FFFFFF	#000000	##FFFFFF
##180633	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001134

Deuteranopia (green-blind)

#001032

Tritanopia (blue-blind)

#11121C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180633;
/* rgb */ color: rgb(24, 6, 51);
/* oklch */ color: oklch(18.8% 0.083 295.9);

Tailwind

colors: {
  custom: {
    50: '#58486b',
    500: '#180633',
    950: '#000000',
  },
}

SCSS

$custom: #180633;
$custom-light: #58486b;
$custom-dark: #000000;

JSON

{
  "hex": "#180633",
  "rgb": {
    "r": 24,
    "g": 6,
    "b": 51
  },
  "hsl": {
    "h": 264,
    "s": 78.947,
    "l": 11.176
  },
  "oklch": {
    "l": 0.18786,
    "c": 0.08288,
    "h": 295.9
  },
  "luminance": 0.00563
}

Semantic roles & 50–950 ramp

primary

#180633

secondary

#537421

accent

#F532A7

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #180633

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

Preview Lab → · Contrast checker → · Palette generator →