#1F0128#1F0128

#1F0128 is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 17.8% C 0.083 H 317.6°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F0128
RGB	rgb(31, 1, 40)
HSL	hsl(286, 95%, 8%)
HSV	hsv(286, 98%, 16%)
CMYK	cmyk(22.5%, 97.5%, 0%, 84.3%)
CIE-LAB	lab(4.21, 20.92, -18.33)
CIE-LCH	lch(4.21, 27.81, 318.78°)
OKLab	oklab(17.82% 0.0611 -0.0558)
OKLCH	oklch(17.82% 0.083 317.6)
XYZ	xyz(0.9589, 0.4663, 2.0466)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0128 #0A2801

analogous

#0B0128 #1F0128 #28011D

triadic

#1F0128 #281F01 #01281F

tetradic

#1F0128 #280B01 #0A2801 #011D28

square

#1F0128 #280B01 #0A2801 #011D28

split-complementary

#1F0128 #1D2801 #01280B

monochromatic

#17011E #17011E #1F0128 #4D0264 #7C049F

Accessibility & contrast

On white

19.21

#1F0128 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F0128 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0128

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0128	#FFFFFF	#000000	##FFFFFF
##1F0128	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)

#000D29

Deuteranopia (green-blind)

#021027

Tritanopia (blue-blind)

#1F0813

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f0128;
/* rgb */ color: rgb(31, 1, 40);
/* oklch */ color: oklch(17.8% 0.083 317.6);

Tailwind

colors: {
  custom: {
    50: '#5b4662',
    500: '#1f0128',
    950: '#000000',
  },
}

SCSS

$custom: #1f0128;
$custom-light: #5b4662;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0128",
  "rgb": {
    "r": 31,
    "g": 1,
    "b": 40
  },
  "hsl": {
    "h": 286.154,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.17821,
    "c": 0.08273,
    "h": 317.6
  },
  "luminance": 0.00466
}

Semantic roles & 50–950 ramp

primary

#1F0128

secondary

#2B6F16

accent

#FF295A

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#040005

muted

#797779

Preview Lab

Preview with #1F0128

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

Preview Lab → · Contrast checker → · Palette generator →