#1B0336#1B0336

#1B0336 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.092 H 299.1°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B0336
RGB	rgb(27, 3, 54)
HSL	hsl(268, 89%, 11%)
HSV	hsv(268, 94%, 21%)
CMYK	cmyk(50%, 94.4%, 0%, 78.8%)
CIE-LAB	lab(5.10, 23.85, -27.44)
CIE-LCH	lch(5.10, 36.36, 310.99°)
OKLab	oklab(19% 0.045 -0.0808)
OKLCH	oklch(19% 0.092 299.1)
XYZ	xyz(1.1502, 0.5645, 3.5377)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0336 #1E3603

analogous

#030436 #1B0336 #340336

triadic

#1B0336 #361B03 #03361B

tetradic

#1B0336 #360304 #1E3603 #033634

square

#1B0336 #360304 #1E3603 #033634

split-complementary

#1B0336 #363403 #043603

monochromatic

#0E021D #0E021D #1B0336 #380670 #5509AA

Accessibility & contrast

On white

18.87

#1B0336 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1B0336 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0336

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0336	#FFFFFF	#000000	##FFFFFF
##1B0336	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001137

Deuteranopia (green-blind)

#001135

Tritanopia (blue-blind)

#14111C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1b0336;
/* rgb */ color: rgb(27, 3, 54);
/* oklch */ color: oklch(19.0% 0.092 299.1);

Tailwind

colors: {
  custom: {
    50: '#5a476d',
    500: '#1b0336',
    950: '#000000',
  },
}

SCSS

$custom: #1b0336;
$custom-light: #5a476d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0336",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 54
  },
  "hsl": {
    "h": 268.235,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.19001,
    "c": 0.09246,
    "h": 299.1
  },
  "luminance": 0.00564
}

Semantic roles & 50–950 ramp

primary

#1B0336

secondary

#4D791C

accent

#FF299A

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0336

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

Preview Lab → · Contrast checker → · Palette generator →