#12001B#12001B

#12001B is a very dark, moderate purple. Relative luminance 0.002; OKLCH L 13.7% C 0.068 H 314.3°. Best body text is #FFFFFF at 20.16:1 contrast (WCAG AA passes).

Color values

HEX	#12001B
RGB	rgb(18, 0, 27)
HSL	hsl(280, 100%, 5%)
HSV	hsv(280, 100%, 11%)
CMYK	cmyk(33.3%, 100%, 0%, 89.4%)
CIE-LAB	lab(1.88, 10.23, -11.79)
CIE-LCH	lch(1.88, 15.61, 310.95°)
OKLab	oklab(13.69% 0.0473 -0.0484)
OKLCH	oklch(13.69% 0.068 314.3)
XYZ	xyz(0.4472, 0.2077, 1.0532)
Luminance	0.0021 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12001B #091B00

analogous

#04001B #12001B #1B0016

triadic

#12001B #1B1200 #001B12

tetradic

#12001B #1B0400 #091B00 #00161B

square

#12001B #1B0400 #091B00 #00161B

split-complementary

#12001B #161B00 #001B04

monochromatic

#14001F #14001F #14001F #3B0058 #640095

Accessibility & contrast

On white

20.16

#12001B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#12001B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12001B

20.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12001B	#FFFFFF	#000000	##FFFFFF
##12001B	1.00	20.16	1.04	20.16
#FFFFFF	20.16	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00061C

Deuteranopia (green-blind)

#00071A

Tritanopia (blue-blind)

#11040B

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #12001b;
/* rgb */ color: rgb(18, 0, 27);
/* oklch */ color: oklch(13.7% 0.068 314.3);

Tailwind

colors: {
  custom: {
    50: '#4f4657',
    500: '#12001b',
    950: '#000000',
  },
}

SCSS

$custom: #12001b;
$custom-light: #4f4657;
$custom-dark: #000000;

JSON

{
  "hex": "#12001b",
  "rgb": {
    "r": 18,
    "g": 0,
    "b": 27
  },
  "hsl": {
    "h": 280,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.13687,
    "c": 0.06768,
    "h": 314.3
  },
  "luminance": 0.00208
}

Semantic roles & 50–950 ramp

primary

#12001B

secondary

#2E6512

accent

#FF2970

background

#F4F3F5

surface

#E7E5E9

border

#C3C1C5

text

#020003

muted

#787778

Preview Lab

Preview with #12001B

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

Preview Lab → · Contrast checker → · Palette generator →