#1B0649#1B0649

#1B0649 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.7% C 0.111 H 287.3°. Best body text is #FFFFFF at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B0649
RGB	rgb(27, 6, 73)
HSL	hsl(259, 85%, 15%)
HSV	hsv(259, 92%, 29%)
CMYK	cmyk(63%, 91.8%, 0%, 71.4%)
CIE-LAB	lab(7.63, 29.42, -36.92)
CIE-LCH	lch(7.63, 47.21, 308.55°)
OKLab	oklab(21.72% 0.0332 -0.1063)
OKLCH	oklch(21.72% 0.111 287.3)
XYZ	xyz(1.7194, 0.8442, 6.3744)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0649 #344906

analogous

#061249 #1B0649 #3C0649

triadic

#1B0649 #491B06 #06491B

tetradic

#1B0649 #490612 #344906 #06493C

square

#1B0649 #490612 #344906 #06493C

split-complementary

#1B0649 #493C06 #124906

monochromatic

#0A021C #0A021C #1B0649 #300B82 #450FBA

Accessibility & contrast

On white

17.97

#1B0649 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0649 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0649

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0649	#FFFFFF	#000000	##FFFFFF
##1B0649	1.00	17.97	1.17	17.97
#FFFFFF	17.97	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00184B

Deuteranopia (green-blind)

#001548

Tritanopia (blue-blind)

#061B28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0649;
/* rgb */ color: rgb(27, 6, 73);
/* oklch */ color: oklch(21.7% 0.111 287.3);

Tailwind

colors: {
  custom: {
    50: '#5f497d',
    500: '#1b0649',
    950: '#000000',
  },
}

SCSS

$custom: #1b0649;
$custom-light: #5f497d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0649",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 73
  },
  "hsl": {
    "h": 258.806,
    "s": 84.81,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21719,
    "c": 0.11142,
    "h": 287.3
  },
  "luminance": 0.00844
}

Semantic roles & 50–950 ramp

primary

#1B0649

secondary

#688823

accent

#FB2DBA

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1B0649

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

Preview Lab → · Contrast checker → · Palette generator →