#1B0648#1B0648

#1B0648 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.6% C 0.110 H 287.8°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B0648
RGB	rgb(27, 6, 72)
HSL	hsl(259, 85%, 15%)
HSV	hsv(259, 92%, 28%)
CMYK	cmyk(62.5%, 91.7%, 0%, 71.8%)
CIE-LAB	lab(7.51, 29.09, -36.42)
CIE-LCH	lch(7.51, 46.61, 308.62°)
OKLab	oklab(21.6% 0.0337 -0.1049)
OKLCH	oklch(21.6% 0.11 287.8)
XYZ	xyz(1.6865, 0.8310, 6.2012)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0648 #334806

analogous

#061248 #1B0648 #3C0648

triadic

#1B0648 #481B06 #06481B

tetradic

#1B0648 #480612 #334806 #06483C

square

#1B0648 #480612 #334806 #06483C

split-complementary

#1B0648 #483C06 #124806

monochromatic

#0B021C #0B021C #1B0648 #300B80 #450FB9

Accessibility & contrast

On white

18.01

#1B0648 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0648 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0648

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0648	#FFFFFF	#000000	##FFFFFF
##1B0648	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00184A

Deuteranopia (green-blind)

#001547

Tritanopia (blue-blind)

#071A28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0648;
/* rgb */ color: rgb(27, 6, 72);
/* oklch */ color: oklch(21.6% 0.110 287.8);

Tailwind

colors: {
  custom: {
    50: '#5f497c',
    500: '#1b0648',
    950: '#000000',
  },
}

SCSS

$custom: #1b0648;
$custom-light: #5f497c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0648",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 72
  },
  "hsl": {
    "h": 259.091,
    "s": 84.615,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21598,
    "c": 0.11017,
    "h": 287.8
  },
  "luminance": 0.00831
}

Semantic roles & 50–950 ramp

primary

#1B0648

secondary

#678723

accent

#FB2DB9

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0648

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

Preview Lab → · Contrast checker → · Palette generator →