#1F0028#1F0028

#1F0028 is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 17.6% C 0.085 H 318.0°. Best body text is #FFFFFF at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F0028
RGB	rgb(31, 0, 40)
HSL	hsl(287, 100%, 8%)
HSV	hsv(287, 100%, 16%)
CMYK	cmyk(22.5%, 100%, 0%, 84.3%)
CIE-LAB	lab(4.02, 21.35, -18.63)
CIE-LCH	lch(4.02, 28.34, 318.89°)
OKLab	oklab(17.61% 0.0634 -0.0572)
OKLCH	oklch(17.61% 0.085 318)
XYZ	xyz(0.9480, 0.4446, 2.0429)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0028 #092800

analogous

#0B0028 #1F0028 #28001D

triadic

#1F0028 #281F00 #00281F

tetradic

#1F0028 #280B00 #092800 #001D28

square

#1F0028 #280B00 #092800 #001D28

split-complementary

#1F0028 #1D2800 #00280B

monochromatic

#18001F #18001F #1F0028 #4E0065 #7E00A2

Accessibility & contrast

On white

19.28

#1F0028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F0028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0028

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0028	#FFFFFF	#000000	##FFFFFF
##1F0028	1.00	19.28	1.09	19.28
#FFFFFF	19.28	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C29

Deuteranopia (green-blind)

#010F27

Tritanopia (blue-blind)

#1F0713

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1f0028;
/* rgb */ color: rgb(31, 0, 40);
/* oklch */ color: oklch(17.6% 0.085 318.0);

Tailwind

colors: {
  custom: {
    50: '#5b4662',
    500: '#1f0028',
    950: '#000000',
  },
}

SCSS

$custom: #1f0028;
$custom-light: #5b4662;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0028",
  "rgb": {
    "r": 31,
    "g": 0,
    "b": 40
  },
  "hsl": {
    "h": 286.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.1761,
    "c": 0.08541,
    "h": 318
  },
  "luminance": 0.00445
}

Semantic roles & 50–950 ramp

primary

#1F0028

secondary

#297014

accent

#FF2959

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#040005

muted

#797779

Preview Lab

Preview with #1F0028

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

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