#1B0341#1B0341

#1B0341 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.3% C 0.106 H 292.2°. Best body text is #FFFFFF at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B0341
RGB	rgb(27, 3, 65)
HSL	hsl(263, 91%, 13%)
HSV	hsv(263, 95%, 25%)
CMYK	cmyk(58.5%, 95.4%, 0%, 74.5%)
CIE-LAB	lab(6.14, 28.25, -33.71)
CIE-LCH	lch(6.14, 43.98, 309.96°)
OKLab	oklab(20.3% 0.0398 -0.0977)
OKLCH	oklch(20.3% 0.106 292.2)
XYZ	xyz(1.4384, 0.6797, 5.0554)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0341 #294103

analogous

#030A41 #1B0341 #3A0341

triadic

#1B0341 #411B03 #03411B

tetradic

#1B0341 #41030A #294103 #03413A

square

#1B0341 #41030A #294103 #03413A

split-complementary

#1B0341 #413A03 #0A4103

monochromatic

#0C011D #0C011D #1B0341 #33067B #4C08B6

Accessibility & contrast

On white

18.49

#1B0341 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1B0341 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0341

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0341	#FFFFFF	#000000	##FFFFFF
##1B0341	1.00	18.49	1.14	18.49
#FFFFFF	18.49	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001443

Deuteranopia (green-blind)

#001240

Tritanopia (blue-blind)

#0E1623

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1b0341;
/* rgb */ color: rgb(27, 3, 65);
/* oklch */ color: oklch(20.3% 0.106 292.2);

Tailwind

colors: {
  custom: {
    50: '#5d4776',
    500: '#1b0341',
    950: '#000000',
  },
}

SCSS

$custom: #1b0341;
$custom-light: #5d4776;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0341",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 65
  },
  "hsl": {
    "h": 263.226,
    "s": 91.176,
    "l": 13.333
  },
  "oklch": {
    "l": 0.203,
    "c": 0.10551,
    "h": 292.2
  },
  "luminance": 0.0068
}

Semantic roles & 50–950 ramp

primary

#1B0341

secondary

#5B831D

accent

#FF29AC

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#050008

muted

#79777B

Preview Lab

Preview with #1B0341

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

Preview Lab → · Contrast checker → · Palette generator →