#180333#180333

#180333 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.2% C 0.088 H 297.4°. Best body text is #FFFFFF at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#180333
RGB	rgb(24, 3, 51)
HSL	hsl(266, 89%, 11%)
HSV	hsv(266, 94%, 20%)
CMYK	cmyk(52.9%, 94.1%, 0%, 80%)
CIE-LAB	lab(4.50, 21.43, -26.21)
CIE-LCH	lch(4.50, 33.86, 309.28°)
OKLab	oklab(18.21% 0.0407 -0.0785)
OKLCH	oklch(18.21% 0.088 297.4)
XYZ	xyz(1.0066, 0.4983, 3.1745)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 4.78

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180333 #1E3303

analogous

#030633 #180333 #300333

triadic

#180333 #331803 #033318

tetradic

#180333 #330306 #1E3303 #033330

square

#180333 #330306 #1E3303 #033330

split-complementary

#180333 #333003 #063303

monochromatic

#0E021D #0E021D #180333 #33066D #4E0AA7

Accessibility & contrast

On white

19.10

#180333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#180333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180333

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180333	#FFFFFF	#000000	##FFFFFF
##180333	1.00	19.10	1.10	19.10
#FFFFFF	19.10	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001034

Deuteranopia (green-blind)

#000F32

Tritanopia (blue-blind)

#11101B

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #180333;
/* rgb */ color: rgb(24, 3, 51);
/* oklch */ color: oklch(18.2% 0.088 297.4);

Tailwind

colors: {
  custom: {
    50: '#57476b',
    500: '#180333',
    950: '#000000',
  },
}

SCSS

$custom: #180333;
$custom-light: #57476b;
$custom-dark: #000000;

JSON

{
  "hex": "#180333",
  "rgb": {
    "r": 24,
    "g": 3,
    "b": 51
  },
  "hsl": {
    "h": 266.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1821,
    "c": 0.08841,
    "h": 297.4
  },
  "luminance": 0.00498
}

Semantic roles & 50–950 ramp

primary

#180333

secondary

#4F761C

accent

#FF29A1

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #180333

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

Preview Lab → · Contrast checker → · Palette generator →