#1F002B#1F002B

#1F002B is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 17.9% C 0.088 H 314.9°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F002B
RGB	rgb(31, 0, 43)
HSL	hsl(283, 100%, 8%)
HSV	hsv(283, 100%, 17%)
CMYK	cmyk(27.9%, 100%, 0%, 83.1%)
CIE-LAB	lab(4.21, 22.50, -20.62)
CIE-LCH	lch(4.21, 30.52, 317.49°)
OKLab	oklab(17.91% 0.0623 -0.0625)
OKLCH	oklch(17.91% 0.088 314.9)
XYZ	xyz(1.0010, 0.4658, 2.3222)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F002B #0C2B00

analogous

#09002B #1F002B #2B0021

triadic

#1F002B #2B1F00 #002B1F

tetradic

#1F002B #2B0900 #0C2B00 #00212B

square

#1F002B #2B0900 #0C2B00 #00212B

split-complementary

#1F002B #212B00 #002B09

monochromatic

#16001F #16001F #1F002B #4B0068 #7700A5

Accessibility & contrast

On white

19.21

#1F002B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F002B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F002B

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F002B	#FFFFFF	#000000	##FFFFFF
##1F002B	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#1E0815

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f002b;
/* rgb */ color: rgb(31, 0, 43);
/* oklch */ color: oklch(17.9% 0.088 314.9);

Tailwind

colors: {
  custom: {
    50: '#5c4664',
    500: '#1f002b',
    950: '#000000',
  },
}

SCSS

$custom: #1f002b;
$custom-light: #5c4664;
$custom-dark: #000000;

JSON

{
  "hex": "#1f002b",
  "rgb": {
    "r": 31,
    "g": 0,
    "b": 43
  },
  "hsl": {
    "h": 283.256,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.17908,
    "c": 0.08825,
    "h": 314.9
  },
  "luminance": 0.00466
}

Semantic roles & 50–950 ramp

primary

#1F002B

secondary

#2F7314

accent

#FF2965

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1F002B

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

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