#1B0436#1B0436

#1B0436 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.091 H 298.7°. Best body text is #FFFFFF at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B0436
RGB	rgb(27, 4, 54)
HSL	hsl(268, 86%, 11%)
HSV	hsv(268, 93%, 21%)
CMYK	cmyk(50%, 92.6%, 0%, 78.8%)
CIE-LAB	lab(5.30, 23.37, -27.13)
CIE-LCH	lch(5.30, 35.80, 310.74°)
OKLab	oklab(19.18% 0.0435 -0.0795)
OKLCH	oklch(19.18% 0.091 298.7)
XYZ	xyz(1.1611, 0.5862, 3.5413)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0436 #1F3604

analogous

#040636 #1B0436 #340436

triadic

#1B0436 #361B04 #04361B

tetradic

#1B0436 #360406 #1F3604 #043634

square

#1B0436 #360406 #1F3604 #043634

split-complementary

#1B0436 #363404 #063604

monochromatic

#0E021C #0E021C #1B0436 #37086F #540CA8

Accessibility & contrast

On white

18.80

#1B0436 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1B0436 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0436

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0436	#FFFFFF	#000000	##FFFFFF
##1B0436	1.00	18.80	1.12	18.80
#FFFFFF	18.80	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001237

Deuteranopia (green-blind)

#001135

Tritanopia (blue-blind)

#14111D

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1b0436;
/* rgb */ color: rgb(27, 4, 54);
/* oklch */ color: oklch(19.2% 0.091 298.7);

Tailwind

colors: {
  custom: {
    50: '#5a476d',
    500: '#1b0436',
    950: '#000000',
  },
}

SCSS

$custom: #1b0436;
$custom-light: #5a476d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0436",
  "rgb": {
    "r": 27,
    "g": 4,
    "b": 54
  },
  "hsl": {
    "h": 267.6,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.19181,
    "c": 0.09066,
    "h": 298.7
  },
  "luminance": 0.00586
}

Semantic roles & 50–950 ramp

primary

#1B0436

secondary

#4F781E

accent

#FC2B9C

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0436

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

Preview Lab → · Contrast checker → · Palette generator →