#1B032A#1B032A

#1B032A is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.7% C 0.078 H 309.3°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B032A
RGB	rgb(27, 3, 42)
HSL	hsl(277, 87%, 9%)
HSV	hsv(277, 93%, 16%)
CMYK	cmyk(35.7%, 92.9%, 0%, 83.5%)
CIE-LAB	lab(4.20, 18.79, -19.91)
CIE-LCH	lch(4.20, 27.38, 313.35°)
OKLab	oklab(17.71% 0.0496 -0.0606)
OKLCH	oklch(17.71% 0.078 309.3)
XYZ	xyz(0.9024, 0.4653, 2.2323)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B032A #122A03

analogous

#08032A #1B032A #2A0326

triadic

#1B032A #2A1B03 #032A1B

tetradic

#1B032A #2A0803 #122A03 #03262A

square

#1B032A #2A0803 #122A03 #03262A

split-complementary

#1B032A #262A03 #032A08

monochromatic

#12021D #12021D #1B032A #400763 #640B9C

Accessibility & contrast

On white

19.21

#1B032A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B032A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B032A

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B032A	#FFFFFF	#000000	##FFFFFF
##1B032A	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2B

Deuteranopia (green-blind)

#000F29

Tritanopia (blue-blind)

#190B15

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1b032a;
/* rgb */ color: rgb(27, 3, 42);
/* oklch */ color: oklch(17.7% 0.078 309.3);

Tailwind

colors: {
  custom: {
    50: '#584764',
    500: '#1b032a',
    950: '#000000',
  },
}

SCSS

$custom: #1b032a;
$custom-light: #584764;
$custom-dark: #000000;

JSON

{
  "hex": "#1b032a",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 42
  },
  "hsl": {
    "h": 276.923,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17712,
    "c": 0.07833,
    "h": 309.3
  },
  "luminance": 0.00465
}

Semantic roles & 50–950 ramp

primary

#1B032A

secondary

#3B6E1B

accent

#FD2B7C

background

#F5F4F5

surface

#E9E6EA

border

#C5C2C6

text

#030005

muted

#787779

Preview Lab

Preview with #1B032A

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

Preview Lab → · Contrast checker → · Palette generator →