#1B0647#1B0647

#1B0647 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.5% C 0.109 H 288.2°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B0647
RGB	rgb(27, 6, 71)
HSL	hsl(259, 84%, 15%)
HSV	hsv(259, 92%, 28%)
CMYK	cmyk(62%, 91.5%, 0%, 72.2%)
CIE-LAB	lab(7.39, 28.75, -35.91)
CIE-LCH	lch(7.39, 46.00, 308.68°)
OKLab	oklab(21.48% 0.0341 -0.1034)
OKLCH	oklch(21.48% 0.109 288.2)
XYZ	xyz(1.6541, 0.8181, 6.0308)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0647 #324706

analogous

#061147 #1B0647 #3C0647

triadic

#1B0647 #471B06 #06471B

tetradic

#1B0647 #470611 #324706 #06473C

square

#1B0647 #470611 #324706 #06473C

split-complementary

#1B0647 #473C06 #114706

monochromatic

#0B021C #0B021C #1B0647 #300B7F #4610B8

Accessibility & contrast

On white

18.05

#1B0647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#1B0647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0647

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0647	#FFFFFF	#000000	##FFFFFF
##1B0647	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001849

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#081A27

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #1b0647;
/* rgb */ color: rgb(27, 6, 71);
/* oklch */ color: oklch(21.5% 0.109 288.2);

Tailwind

colors: {
  custom: {
    50: '#5e497b',
    500: '#1b0647',
    950: '#000000',
  },
}

SCSS

$custom: #1b0647;
$custom-light: #5e497b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0647",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 71
  },
  "hsl": {
    "h": 259.385,
    "s": 84.416,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21477,
    "c": 0.10891,
    "h": 288.2
  },
  "luminance": 0.00818
}

Semantic roles & 50–950 ramp

primary

#1B0647

secondary

#668623

accent

#FB2DB8

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0647

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

Preview Lab → · Contrast checker → · Palette generator →