#1B0837#1B0837

#1B0837 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.085 H 296.3°. Best body text is #FFFFFF at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#1B0837
RGB	rgb(27, 8, 55)
HSL	hsl(264, 75%, 12%)
HSV	hsv(264, 85%, 22%)
CMYK	cmyk(50.9%, 85.5%, 0%, 78.4%)
CIE-LAB	lab(6.17, 21.79, -26.45)
CIE-LCH	lch(6.17, 34.27, 309.48°)
OKLab	oklab(19.98% 0.0377 -0.0765)
OKLCH	oklch(19.98% 0.085 296.3)
XYZ	xyz(1.2282, 0.6825, 3.6807)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0837 #243708

analogous

#080D37 #1B0837 #320837

triadic

#1B0837 #371B08 #08371B

tetradic

#1B0837 #37080D #243708 #083732

square

#1B0837 #37080D #243708 #083732

split-complementary

#1B0837 #373208 #0D3708

monochromatic

#0D041B #0D041B #1B0837 #35106C #4F18A2

Accessibility & contrast

On white

18.48

#1B0837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1B0837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0837

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0837	#FFFFFF	#000000	##FFFFFF
##1B0837	1.00	18.48	1.14	18.48
#FFFFFF	18.48	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001336

Tritanopia (blue-blind)

#13141F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1b0837;
/* rgb */ color: rgb(27, 8, 55);
/* oklch */ color: oklch(20.0% 0.085 296.3);

Tailwind

colors: {
  custom: {
    50: '#5b496e',
    500: '#1b0837',
    950: '#000000',
  },
}

SCSS

$custom: #1b0837;
$custom-light: #5b496e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0837",
  "rgb": {
    "r": 27,
    "g": 8,
    "b": 55
  },
  "hsl": {
    "h": 264.255,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19975,
    "c": 0.08531,
    "h": 296.3
  },
  "luminance": 0.00683
}

Semantic roles & 50–950 ramp

primary

#1B0837

secondary

#557625

accent

#F137A6

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1B0837

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

Preview Lab → · Contrast checker → · Palette generator →