#1B0547#1B0547

#1B0547 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.3% C 0.110 H 288.5°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#1B0547
RGB	rgb(27, 5, 71)
HSL	hsl(260, 87%, 15%)
HSV	hsv(260, 93%, 28%)
CMYK	cmyk(62%, 93%, 0%, 72.2%)
CIE-LAB	lab(7.19, 29.32, -36.23)
CIE-LCH	lch(7.19, 46.61, 308.98°)
OKLab	oklab(21.33% 0.035 -0.1044)
OKLCH	oklch(21.33% 0.11 288.5)
XYZ	xyz(1.6433, 0.7964, 6.0271)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0547 #314705

analogous

#051047 #1B0547 #3C0547

triadic

#1B0547 #471B05 #05471B

tetradic

#1B0547 #470510 #314705 #05473C

square

#1B0547 #470510 #314705 #05473C

split-complementary

#1B0547 #473C05 #104705

monochromatic

#0B021D #0B021D #1B0547 #310980 #460DB9

Accessibility & contrast

On white

18.12

#1B0547 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#1B0547 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0547

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0547	#FFFFFF	#000000	##FFFFFF
##1B0547	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001749

Deuteranopia (green-blind)

#001446

Tritanopia (blue-blind)

#081927

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #1b0547;
/* rgb */ color: rgb(27, 5, 71);
/* oklch */ color: oklch(21.3% 0.110 288.5);

Tailwind

colors: {
  custom: {
    50: '#5e487b',
    500: '#1b0547',
    950: '#000000',
  },
}

SCSS

$custom: #1b0547;
$custom-light: #5e487b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0547",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 71
  },
  "hsl": {
    "h": 260,
    "s": 86.842,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21334,
    "c": 0.11012,
    "h": 288.5
  },
  "luminance": 0.00796
}

Semantic roles & 50–950 ramp

primary

#1B0547

secondary

#658721

accent

#FD2BB7

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0547

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

Preview Lab → · Contrast checker → · Palette generator →