#1B0733#1B0733

#1B0733 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.4% C 0.082 H 299.5°. Best body text is #FFFFFF at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B0733
RGB	rgb(27, 7, 51)
HSL	hsl(267, 76%, 11%)
HSV	hsv(267, 86%, 20%)
CMYK	cmyk(47.1%, 86.3%, 0%, 80%)
CIE-LAB	lab(5.64, 20.70, -24.37)
CIE-LCH	lch(5.64, 31.97, 310.35°)
OKLab	oklab(19.39% 0.0402 -0.071)
OKLCH	oklch(19.39% 0.082 299.5)
XYZ	xyz(1.1254, 0.6240, 3.1925)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0733 #1F3307

analogous

#070933 #1B0733 #310733

triadic

#1B0733 #331B07 #07331B

tetradic

#1B0733 #330709 #1F3307 #073331

square

#1B0733 #330709 #1F3307 #073331

split-complementary

#1B0733 #333107 #093307

monochromatic

#0E041B #0E041B #1B0733 #370E69 #54169F

Accessibility & contrast

On white

18.67

#1B0733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1B0733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0733

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0733	#FFFFFF	#000000	##FFFFFF
##1B0733	1.00	18.67	1.12	18.67
#FFFFFF	18.67	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001234

Deuteranopia (green-blind)

#001232

Tritanopia (blue-blind)

#15121C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1b0733;
/* rgb */ color: rgb(27, 7, 51);
/* oklch */ color: oklch(19.4% 0.082 299.5);

Tailwind

colors: {
  custom: {
    50: '#5a496b',
    500: '#1b0733',
    950: '#000000',
  },
}

SCSS

$custom: #1b0733;
$custom-light: #5a496b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0733",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 51
  },
  "hsl": {
    "h": 267.273,
    "s": 75.862,
    "l": 11.373
  },
  "oklch": {
    "l": 0.19391,
    "c": 0.08157,
    "h": 299.5
  },
  "luminance": 0.00624
}

Semantic roles & 50–950 ramp

primary

#1B0733

secondary

#4F7323

accent

#F2359C

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #1B0733

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

Preview Lab → · Contrast checker → · Palette generator →