#1B0C56#1B0C56

#1B0C56 is a very dark, vivid violet. Relative luminance 0.012; OKLCH L 24.1% C 0.122 H 281.4°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B0C56
RGB	rgb(27, 12, 86)
HSL	hsl(252, 76%, 19%)
HSV	hsv(252, 86%, 34%)
CMYK	cmyk(68.6%, 86%, 0%, 66.3%)
CIE-LAB	lab(10.32, 30.40, -41.45)
CIE-LCH	lch(10.32, 51.40, 306.26°)
OKLab	oklab(24.05% 0.0241 -0.1196)
OKLCH	oklch(24.05% 0.122 281.4)
XYZ	xyz(2.2627, 1.1677, 8.9084)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0C56 #47560C

analogous

#0C2256 #1B0C56 #400C56

triadic

#1B0C56 #561B0C #0C561B

tetradic

#1B0C56 #560C22 #47560C #0C5640

square

#1B0C56 #560C22 #47560C #0C5640

split-complementary

#1B0C56 #56400C #22560C

monochromatic

#08041B #0A0520 #1B0C56 #2C138C #3D1BC1

Accessibility & contrast

On white

17.02

#1B0C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1B0C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0C56

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0C56	#FFFFFF	#000000	##FFFFFF
##1B0C56	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F58

Deuteranopia (green-blind)

#001955

Tritanopia (blue-blind)

#002231

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1b0c56;
/* rgb */ color: rgb(27, 12, 86);
/* oklch */ color: oklch(24.1% 0.122 281.4);

Tailwind

colors: {
  custom: {
    50: '#614d87',
    500: '#1b0c56',
    950: '#000000',
  },
}

SCSS

$custom: #1b0c56;
$custom-light: #614d87;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0c56",
  "rgb": {
    "r": 27,
    "g": 12,
    "b": 86
  },
  "hsl": {
    "h": 252.162,
    "s": 75.51,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24053,
    "c": 0.12201,
    "h": 281.4
  },
  "luminance": 0.01168
}

Semantic roles & 50–950 ramp

primary

#1B0C56

secondary

#7D912D

accent

#F236CC

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#06010B

muted

#7A777C

Preview Lab

Preview with #1B0C56

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

Preview Lab → · Contrast checker → · Palette generator →