#1F042E#1F042E

#1F042E is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.082 H 310.5°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F042E
RGB	rgb(31, 4, 46)
HSL	hsl(279, 84%, 10%)
HSV	hsv(279, 91%, 18%)
CMYK	cmyk(32.6%, 91.3%, 0%, 82%)
CIE-LAB	lab(5.20, 21.78, -21.32)
CIE-LCH	lch(5.20, 30.48, 315.61°)
OKLab	oklab(18.98% 0.0534 -0.0625)
OKLCH	oklch(18.98% 0.082 310.5)
XYZ	xyz(1.1015, 0.5754, 2.6373)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F042E #132E04

analogous

#0A042E #1F042E #2E0428

triadic

#1F042E #2E1F04 #042E1F

tetradic

#1F042E #2E0A04 #132E04 #04282E

square

#1F042E #2E0A04 #132E04 #04282E

split-complementary

#1F042E #282E04 #042E0A

monochromatic

#13021C #13021C #1F042E #450966 #6B0E9F

Accessibility & contrast

On white

18.83

#1F042E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1F042E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F042E

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F042E	#FFFFFF	#000000	##FFFFFF
##1F042E	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102F

Deuteranopia (green-blind)

#00122D

Tritanopia (blue-blind)

#1D0D18

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1f042e;
/* rgb */ color: rgb(31, 4, 46);
/* oklch */ color: oklch(19.0% 0.082 310.5);

Tailwind

colors: {
  custom: {
    50: '#5c4867',
    500: '#1f042e',
    950: '#000000',
  },
}

SCSS

$custom: #1f042e;
$custom-light: #5c4867;
$custom-dark: #000000;

JSON

{
  "hex": "#1f042e",
  "rgb": {
    "r": 31,
    "g": 4,
    "b": 46
  },
  "hsl": {
    "h": 278.571,
    "s": 84,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18983,
    "c": 0.08218,
    "h": 310.5
  },
  "luminance": 0.00575
}

Semantic roles & 50–950 ramp

primary

#1F042E

secondary

#3B711D

accent

#FA2E77

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F042E

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

Preview Lab → · Contrast checker → · Palette generator →