#1F0338#1F0338

#1F0338 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.8% C 0.096 H 302.6°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F0338
RGB	rgb(31, 3, 56)
HSL	hsl(272, 90%, 12%)
HSV	hsv(272, 95%, 22%)
CMYK	cmyk(44.6%, 94.6%, 0%, 78%)
CIE-LAB	lab(5.80, 25.96, -27.75)
CIE-LCH	lch(5.80, 38.00, 313.09°)
OKLab	oklab(19.84% 0.0515 -0.0805)
OKLCH	oklch(19.84% 0.096 302.6)
XYZ	xyz(1.3113, 0.6420, 3.7954)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0338 #1C3803

analogous

#040338 #1F0338 #380337

triadic

#1F0338 #381F03 #03381F

tetradic

#1F0338 #380403 #1C3803 #033738

square

#1F0338 #380403 #1C3803 #033738

split-complementary

#1F0338 #373803 #033804

monochromatic

#10021D #10021D #1F0338 #3F0672 #5F09AC

Accessibility & contrast

On white

18.61

#1F0338 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1F0338 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0338

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0338	#FFFFFF	#000000	##FFFFFF
##1F0338	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001239

Deuteranopia (green-blind)

#001337

Tritanopia (blue-blind)

#1A111E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1f0338;
/* rgb */ color: rgb(31, 3, 56);
/* oklch */ color: oklch(19.8% 0.096 302.6);

Tailwind

colors: {
  custom: {
    50: '#5e476f',
    500: '#1f0338',
    950: '#000000',
  },
}

SCSS

$custom: #1f0338;
$custom-light: #5e476f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0338",
  "rgb": {
    "r": 31,
    "g": 3,
    "b": 56
  },
  "hsl": {
    "h": 271.698,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19837,
    "c": 0.09554,
    "h": 302.6
  },
  "luminance": 0.00642
}

Semantic roles & 50–950 ramp

primary

#1F0338

secondary

#497B1C

accent

#FF298E

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #1F0338

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

Preview Lab → · Contrast checker → · Palette generator →