#1F0331#1F0331

#1F0331 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.1% C 0.088 H 308.2°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F0331
RGB	rgb(31, 3, 49)
HSL	hsl(277, 88%, 10%)
HSV	hsv(277, 94%, 19%)
CMYK	cmyk(36.7%, 93.9%, 0%, 80.8%)
CIE-LAB	lab(5.22, 23.37, -23.52)
CIE-LCH	lch(5.22, 33.16, 314.82°)
OKLab	oklab(19.1% 0.0542 -0.0689)
OKLCH	oklch(19.1% 0.088 308.2)
XYZ	xyz(1.1519, 0.5782, 2.9561)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0331 #153103

analogous

#080331 #1F0331 #31032C

triadic

#1F0331 #311F03 #03311F

tetradic

#1F0331 #310803 #153103 #032C31

square

#1F0331 #310803 #153103 #032C31

split-complementary

#1F0331 #2C3103 #033108

monochromatic

#12021D #12021D #1F0331 #43076B #680AA4

Accessibility & contrast

On white

18.82

#1F0331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1F0331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0331

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0331	#FFFFFF	#000000	##FFFFFF
##1F0331	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001032

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#1C0E1A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1f0331;
/* rgb */ color: rgb(31, 3, 49);
/* oklch */ color: oklch(19.1% 0.088 308.2);

Tailwind

colors: {
  custom: {
    50: '#5d4769',
    500: '#1f0331',
    950: '#000000',
  },
}

SCSS

$custom: #1f0331;
$custom-light: #5d4769;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0331",
  "rgb": {
    "r": 31,
    "g": 3,
    "b": 49
  },
  "hsl": {
    "h": 276.522,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.19098,
    "c": 0.08766,
    "h": 308.2
  },
  "luminance": 0.00578
}

Semantic roles & 50–950 ramp

primary

#1F0331

secondary

#3E741B

accent

#FF297D

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F0331

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

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