#1B0736#1B0736

#1B0736 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.7% C 0.086 H 297.4°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B0736
RGB	rgb(27, 7, 54)
HSL	hsl(266, 77%, 12%)
HSV	hsv(266, 87%, 21%)
CMYK	cmyk(50%, 87%, 0%, 78.8%)
CIE-LAB	lab(5.88, 21.90, -26.18)
CIE-LCH	lch(5.88, 34.13, 309.92°)
OKLab	oklab(19.7% 0.0393 -0.076)
OKLCH	oklch(19.7% 0.086 297.4)
XYZ	xyz(1.1937, 0.6513, 3.5521)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0736 #223607

analogous

#070B36 #1B0736 #330736

triadic

#1B0736 #361B07 #07361B

tetradic

#1B0736 #36070B #223607 #073633

square

#1B0736 #36070B #223607 #073633

split-complementary

#1B0736 #363307 #0B3607

monochromatic

#0E041B #0E041B #1B0736 #360E6C #5115A2

Accessibility & contrast

On white

18.58

#1B0736 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1B0736 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0736

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0736	#FFFFFF	#000000	##FFFFFF
##1B0736	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001337

Deuteranopia (green-blind)

#001235

Tritanopia (blue-blind)

#14131E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1b0736;
/* rgb */ color: rgb(27, 7, 54);
/* oklch */ color: oklch(19.7% 0.086 297.4);

Tailwind

colors: {
  custom: {
    50: '#5a496d',
    500: '#1b0736',
    950: '#000000',
  },
}

SCSS

$custom: #1b0736;
$custom-light: #5a496d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0736",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 54
  },
  "hsl": {
    "h": 265.532,
    "s": 77.049,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19703,
    "c": 0.08557,
    "h": 297.4
  },
  "luminance": 0.00651
}

Semantic roles & 50–950 ramp

primary

#1B0736

secondary

#537623

accent

#F434A2

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040107

muted

#79777A

Preview Lab

Preview with #1B0736

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

Preview Lab → · Contrast checker → · Palette generator →