#1B0334#1B0334

#1B0334 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.8% C 0.090 H 300.6°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B0334
RGB	rgb(27, 3, 52)
HSL	hsl(269, 89%, 11%)
HSV	hsv(269, 94%, 20%)
CMYK	cmyk(48.1%, 94.2%, 0%, 79.6%)
CIE-LAB	lab(4.93, 23.01, -26.24)
CIE-LCH	lch(4.93, 34.90, 311.26°)
OKLab	oklab(18.78% 0.0459 -0.0775)
OKLCH	oklch(18.78% 0.09 300.6)
XYZ	xyz(1.1042, 0.5461, 3.2954)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0334 #1C3403

analogous

#030334 #1B0334 #330334

triadic

#1B0334 #341B03 #03341B

tetradic

#1B0334 #340303 #1C3403 #033433

square

#1B0334 #340303 #1C3403 #033433

split-complementary

#1B0334 #343303 #033403

monochromatic

#0F021D #0F021D #1B0334 #39066E #570AA8

Accessibility & contrast

On white

18.93

#1B0334 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1B0334 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0334

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0334	#FFFFFF	#000000	##FFFFFF
##1B0334	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001035

Deuteranopia (green-blind)

#001033

Tritanopia (blue-blind)

#15101B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1b0334;
/* rgb */ color: rgb(27, 3, 52);
/* oklch */ color: oklch(18.8% 0.090 300.6);

Tailwind

colors: {
  custom: {
    50: '#5a476c',
    500: '#1b0334',
    950: '#000000',
  },
}

SCSS

$custom: #1b0334;
$custom-light: #5a476c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0334",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 52
  },
  "hsl": {
    "h": 269.388,
    "s": 89.091,
    "l": 10.784
  },
  "oklch": {
    "l": 0.18776,
    "c": 0.0901,
    "h": 300.6
  },
  "luminance": 0.00546
}

Semantic roles & 50–950 ramp

primary

#1B0334

secondary

#4A771C

accent

#FF2996

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0334

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

Preview Lab → · Contrast checker → · Palette generator →