#1D042B#1D042B

#1D042B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.4% C 0.078 H 310.7°. Best body text is #FFFFFF at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D042B
RGB	rgb(29, 4, 43)
HSL	hsl(278, 83%, 9%)
HSV	hsv(278, 91%, 17%)
CMYK	cmyk(32.6%, 90.7%, 0%, 83.1%)
CIE-LAB	lab(4.72, 19.74, -19.83)
CIE-LCH	lch(4.72, 27.98, 314.87°)
OKLab	oklab(18.36% 0.0508 -0.0591)
OKLCH	oklch(18.36% 0.078 310.7)
XYZ	xyz(0.9861, 0.5225, 2.3339)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D042B #122B04

analogous

#0A042B #1D042B #2B0426

triadic

#1D042B #2B1D04 #042B1D

tetradic

#1D042B #2B0A04 #122B04 #04262B

square

#1D042B #2B0A04 #122B04 #04262B

split-complementary

#1D042B #262B04 #042B0A

monochromatic

#13031C #13031C #1D042B #430963 #690E9B

Accessibility & contrast

On white

19.01

#1D042B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1D042B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D042B

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D042B	#FFFFFF	#000000	##FFFFFF
##1D042B	1.00	19.01	1.10	19.01
#FFFFFF	19.01	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2C

Deuteranopia (green-blind)

#00112A

Tritanopia (blue-blind)

#1B0C16

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1d042b;
/* rgb */ color: rgb(29, 4, 43);
/* oklch */ color: oklch(18.4% 0.078 310.7);

Tailwind

colors: {
  custom: {
    50: '#5a4864',
    500: '#1d042b',
    950: '#000000',
  },
}

SCSS

$custom: #1d042b;
$custom-light: #5a4864;
$custom-dark: #000000;

JSON

{
  "hex": "#1d042b",
  "rgb": {
    "r": 29,
    "g": 4,
    "b": 43
  },
  "hsl": {
    "h": 278.462,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.18355,
    "c": 0.07792,
    "h": 310.7
  },
  "luminance": 0.00522
}

Semantic roles & 50–950 ramp

primary

#1D042B

secondary

#3A6E1D

accent

#F92E77

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1D042B

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

Preview Lab → · Contrast checker → · Palette generator →