#1B0843#1B0843

#1B0843 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.3% C 0.101 H 289.5°. Best body text is #FFFFFF at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B0843
RGB	rgb(27, 8, 67)
HSL	hsl(259, 79%, 15%)
HSV	hsv(259, 88%, 26%)
CMYK	cmyk(59.7%, 88.1%, 0%, 73.7%)
CIE-LAB	lab(7.33, 26.26, -33.18)
CIE-LCH	lch(7.33, 42.31, 308.37°)
OKLab	oklab(21.29% 0.0338 -0.0955)
OKLCH	oklch(21.29% 0.101 289.5)
XYZ	xyz(1.5517, 0.8119, 5.3840)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0843 #304308

analogous

#081343 #1B0843 #390843

triadic

#1B0843 #431B08 #08431B

tetradic

#1B0843 #430813 #304308 #084339

square

#1B0843 #430813 #304308 #084339

split-complementary

#1B0843 #433908 #134308

monochromatic

#0B031B #0B031B #1B0843 #310F7A #4715B0

Accessibility & contrast

On white

18.07

#1B0843 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#1B0843 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0843

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0843	#FFFFFF	#000000	##FFFFFF
##1B0843	1.00	18.07	1.16	18.07
#FFFFFF	18.07	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001745

Deuteranopia (green-blind)

#001542

Tritanopia (blue-blind)

#0C1925

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #1b0843;
/* rgb */ color: rgb(27, 8, 67);
/* oklch */ color: oklch(21.3% 0.101 289.5);

Tailwind

colors: {
  custom: {
    50: '#5d4a78',
    500: '#1b0843',
    950: '#000000',
  },
}

SCSS

$custom: #1b0843;
$custom-light: #5d4a78;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0843",
  "rgb": {
    "r": 27,
    "g": 8,
    "b": 67
  },
  "hsl": {
    "h": 259.322,
    "s": 78.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21294,
    "c": 0.10132,
    "h": 289.5
  },
  "luminance": 0.00812
}

Semantic roles & 50–950 ramp

primary

#1B0843

secondary

#648125

accent

#F533B7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0843

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

Preview Lab → · Contrast checker → · Palette generator →