#1F0538#1F0538

#1F0538 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.2% C 0.092 H 301.9°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F0538
RGB	rgb(31, 5, 56)
HSL	hsl(271, 84%, 12%)
HSV	hsv(271, 91%, 22%)
CMYK	cmyk(44.6%, 91.1%, 0%, 78%)
CIE-LAB	lab(6.19, 24.93, -27.11)
CIE-LCH	lch(6.19, 36.83, 312.59°)
OKLab	oklab(20.17% 0.0486 -0.0782)
OKLCH	oklch(20.17% 0.092 301.9)
XYZ	xyz(1.3330, 0.6854, 3.8027)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0538 #1E3805

analogous

#050538 #1F0538 #380538

triadic

#1F0538 #381F05 #05381F

tetradic

#1F0538 #380505 #1E3805 #053838

square

#1F0538 #380505 #1E3805 #053838

split-complementary

#1F0538 #383805 #053805

monochromatic

#10031C #10031C #1F0538 #3E0A70 #5D0FA8

Accessibility & contrast

On white

18.47

#1F0538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F0538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0538

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0538	#FFFFFF	#000000	##FFFFFF
##1F0538	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001339

Deuteranopia (green-blind)

#001337

Tritanopia (blue-blind)

#19121E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f0538;
/* rgb */ color: rgb(31, 5, 56);
/* oklch */ color: oklch(20.2% 0.092 301.9);

Tailwind

colors: {
  custom: {
    50: '#5e486f',
    500: '#1f0538',
    950: '#000000',
  },
}

SCSS

$custom: #1f0538;
$custom-light: #5e486f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0538",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 56
  },
  "hsl": {
    "h": 270.588,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.20166,
    "c": 0.09211,
    "h": 301.9
  },
  "luminance": 0.00685
}

Semantic roles & 50–950 ramp

primary

#1F0538

secondary

#4C7920

accent

#FA2E92

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #1F0538

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

Preview Lab → · Contrast checker → · Palette generator →