#1F0129#1F0129

#1F0129 is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 17.9% C 0.084 H 316.6°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F0129
RGB	rgb(31, 1, 41)
HSL	hsl(285, 95%, 8%)
HSV	hsv(285, 98%, 16%)
CMYK	cmyk(24.4%, 97.6%, 0%, 83.9%)
CIE-LAB	lab(4.27, 21.29, -19.00)
CIE-LCH	lch(4.27, 28.53, 318.26°)
OKLab	oklab(17.92% 0.0608 -0.0576)
OKLCH	oklch(17.92% 0.084 316.6)
XYZ	xyz(0.9761, 0.4732, 2.1373)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0129 #0B2901

analogous

#0B0129 #1F0129 #29011F

triadic

#1F0129 #291F01 #01291F

tetradic

#1F0129 #290B01 #0B2901 #011F29

square

#1F0129 #290B01 #0B2901 #011F29

split-complementary

#1F0129 #1F2901 #01290B

monochromatic

#17011E #17011E #1F0129 #4C0265 #7904A0

Accessibility & contrast

On white

19.19

#1F0129 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F0129 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0129

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0129	#FFFFFF	#000000	##FFFFFF
##1F0129	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2A

Deuteranopia (green-blind)

#011028

Tritanopia (blue-blind)

#1E0814

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f0129;
/* rgb */ color: rgb(31, 1, 41);
/* oklch */ color: oklch(17.9% 0.084 316.6);

Tailwind

colors: {
  custom: {
    50: '#5b4663',
    500: '#1f0129',
    950: '#000000',
  },
}

SCSS

$custom: #1f0129;
$custom-light: #5b4663;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0129",
  "rgb": {
    "r": 31,
    "g": 1,
    "b": 41
  },
  "hsl": {
    "h": 285,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.17917,
    "c": 0.08373,
    "h": 316.6
  },
  "luminance": 0.00473
}

Semantic roles & 50–950 ramp

primary

#1F0129

secondary

#2D6F16

accent

#FF295E

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#040005

muted

#797779

Preview Lab

Preview with #1F0129

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

Preview Lab → · Contrast checker → · Palette generator →