#1B0747#1B0747

#1B0747 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.6% C 0.108 H 287.9°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B0747
RGB	rgb(27, 7, 71)
HSL	hsl(259, 82%, 15%)
HSV	hsv(259, 90%, 28%)
CMYK	cmyk(62%, 90.1%, 0%, 72.2%)
CIE-LAB	lab(7.59, 28.19, -35.59)
CIE-LCH	lch(7.59, 45.40, 308.39°)
OKLab	oklab(21.62% 0.0332 -0.1025)
OKLCH	oklch(21.62% 0.108 287.9)
XYZ	xyz(1.6650, 0.8398, 6.0344)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0747 #334707

analogous

#071347 #1B0747 #3B0747

triadic

#1B0747 #471B07 #07471B

tetradic

#1B0747 #470713 #334707 #07473B

square

#1B0747 #470713 #334707 #07473B

split-complementary

#1B0747 #473B07 #134707

monochromatic

#0B031C #0B031C #1B0747 #300C7F #4512B6

Accessibility & contrast

On white

17.98

#1B0747 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0747 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0747

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0747	#FFFFFF	#000000	##FFFFFF
##1B0747	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001849

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#081A27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0747;
/* rgb */ color: rgb(27, 7, 71);
/* oklch */ color: oklch(21.6% 0.108 287.9);

Tailwind

colors: {
  custom: {
    50: '#5e4a7b',
    500: '#1b0747',
    950: '#000000',
  },
}

SCSS

$custom: #1b0747;
$custom-light: #5e4a7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0747",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 71
  },
  "hsl": {
    "h": 258.75,
    "s": 82.051,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21619,
    "c": 0.10771,
    "h": 287.9
  },
  "luminance": 0.0084
}

Semantic roles & 50–950 ramp

primary

#1B0747

secondary

#678624

accent

#F82FBA

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0747

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

Preview Lab → · Contrast checker → · Palette generator →