#1F0637#1F0637

#1F0637 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.2% C 0.089 H 302.2°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F0637
RGB	rgb(31, 6, 55)
HSL	hsl(271, 80%, 12%)
HSV	hsv(271, 89%, 22%)
CMYK	cmyk(43.6%, 89.1%, 0%, 78.4%)
CIE-LAB	lab(6.30, 24.05, -26.21)
CIE-LCH	lch(6.30, 35.57, 312.54°)
OKLab	oklab(20.22% 0.0476 -0.0755)
OKLCH	oklch(20.22% 0.089 302.2)
XYZ	xyz(1.3196, 0.6974, 3.6788)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0637 #1E3706

analogous

#060637 #1F0637 #370637

triadic

#1F0637 #371F06 #06371F

tetradic

#1F0637 #370606 #1E3706 #063737

square

#1F0637 #370606 #1E3706 #063737

split-complementary

#1F0637 #373706 #063706

monochromatic

#10031C #10031C #1F0637 #3E0C6E #5D12A5

Accessibility & contrast

On white

18.43

#1F0637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F0637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0637

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0637	#FFFFFF	#000000	##FFFFFF
##1F0637	1.00	18.43	1.14	18.43
#FFFFFF	18.43	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001436

Tritanopia (blue-blind)

#1A121E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f0637;
/* rgb */ color: rgb(31, 6, 55);
/* oklch */ color: oklch(20.2% 0.089 302.2);

Tailwind

colors: {
  custom: {
    50: '#5e496e',
    500: '#1f0637',
    950: '#000000',
  },
}

SCSS

$custom: #1f0637;
$custom-light: #5e496e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0637",
  "rgb": {
    "r": 31,
    "g": 6,
    "b": 55
  },
  "hsl": {
    "h": 270.612,
    "s": 80.328,
    "l": 11.961
  },
  "oklch": {
    "l": 0.20223,
    "c": 0.08922,
    "h": 302.2
  },
  "luminance": 0.00697
}

Semantic roles & 50–950 ramp

primary

#1F0637

secondary

#4C7721

accent

#F73192

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1F0637

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

Preview Lab → · Contrast checker → · Palette generator →