#1B0136#1B0136

#1B0136 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.6% C 0.096 H 300.0°. Best body text is #FFFFFF at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B0136
RGB	rgb(27, 1, 54)
HSL	hsl(269, 96%, 11%)
HSV	hsv(269, 98%, 21%)
CMYK	cmyk(50%, 98.1%, 0%, 78.8%)
CIE-LAB	lab(4.71, 24.82, -28.07)
CIE-LCH	lch(4.71, 37.47, 311.47°)
OKLab	oklab(18.63% 0.0481 -0.0833)
OKLCH	oklch(18.63% 0.096 300)
XYZ	xyz(1.1285, 0.5210, 3.5304)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0136 #1C3601

analogous

#010136 #1B0136 #350136

triadic

#1B0136 #361B01 #01361B

tetradic

#1B0136 #360101 #1C3601 #013635

square

#1B0136 #360101 #1C3601 #013635

split-complementary

#1B0136 #363501 #013601

monochromatic

#0F011E #0F011E #1B0136 #390272 #5703AE

Accessibility & contrast

On white

19.02

#1B0136 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1B0136 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0136

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0136	#FFFFFF	#000000	##FFFFFF
##1B0136	1.00	19.02	1.10	19.02
#FFFFFF	19.02	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001037

Deuteranopia (green-blind)

#001035

Tritanopia (blue-blind)

#140F1C

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b0136;
/* rgb */ color: rgb(27, 1, 54);
/* oklch */ color: oklch(18.6% 0.096 300.0);

Tailwind

colors: {
  custom: {
    50: '#5b466d',
    500: '#1b0136',
    950: '#000000',
  },
}

SCSS

$custom: #1b0136;
$custom-light: #5b466d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0136",
  "rgb": {
    "r": 27,
    "g": 1,
    "b": 54
  },
  "hsl": {
    "h": 269.434,
    "s": 96.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.18629,
    "c": 0.09622,
    "h": 300
  },
  "luminance": 0.00521
}

Semantic roles & 50–950 ramp

primary

#1B0136

secondary

#4A7B18

accent

#FF2996

background

#F5F3F6

surface

#E9E5EC

border

#C5C1C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0136

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

Preview Lab → · Contrast checker → · Palette generator →