#1F0027#1F0027

#1F0027 is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 17.5% C 0.084 H 319.0°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F0027
RGB	rgb(31, 0, 39)
HSL	hsl(288, 100%, 8%)
HSV	hsv(288, 100%, 15%)
CMYK	cmyk(20.5%, 100%, 0%, 84.7%)
CIE-LAB	lab(3.95, 20.98, -17.96)
CIE-LCH	lch(3.95, 27.62, 319.43°)
OKLab	oklab(17.51% 0.0638 -0.0554)
OKLCH	oklch(17.51% 0.084 319)
XYZ	xyz(0.9312, 0.4378, 1.9545)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0027 #082700

analogous

#0B0027 #1F0027 #27001B

triadic

#1F0027 #271F00 #00271F

tetradic

#1F0027 #270B00 #082700 #001B27

square

#1F0027 #270B00 #082700 #001B27

split-complementary

#1F0027 #1B2700 #00270B

monochromatic

#18001F #18001F #1F0027 #500064 #8000A1

Accessibility & contrast

On white

19.31

#1F0027 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F0027 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0027

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0027	#FFFFFF	#000000	##FFFFFF
##1F0027	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C28

Deuteranopia (green-blind)

#010F26

Tritanopia (blue-blind)

#1F0612

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1f0027;
/* rgb */ color: rgb(31, 0, 39);
/* oklch */ color: oklch(17.5% 0.084 319.0);

Tailwind

colors: {
  custom: {
    50: '#5b4661',
    500: '#1f0027',
    950: '#000000',
  },
}

SCSS

$custom: #1f0027;
$custom-light: #5b4661;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0027",
  "rgb": {
    "r": 31,
    "g": 0,
    "b": 39
  },
  "hsl": {
    "h": 287.692,
    "s": 100,
    "l": 7.647
  },
  "oklch": {
    "l": 0.17513,
    "c": 0.08447,
    "h": 319
  },
  "luminance": 0.00438
}

Semantic roles & 50–950 ramp

primary

#1F0027

secondary

#266F14

accent

#FF2955

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#040005

muted

#797779

Preview Lab

Preview with #1F0027

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

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