#1B0C4D#1B0C4D

#1B0C4D is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.110 H 284.2°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B0C4D
RGB	rgb(27, 12, 77)
HSL	hsl(254, 73%, 17%)
HSV	hsv(254, 84%, 30%)
CMYK	cmyk(64.9%, 84.4%, 0%, 69.8%)
CIE-LAB	lab(9.25, 27.39, -37.03)
CIE-LCH	lch(9.25, 46.05, 306.49°)
OKLab	oklab(22.99% 0.0271 -0.1067)
OKLCH	oklch(22.99% 0.11 284.2)
XYZ	xyz(1.9226, 1.0317, 7.1176)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0C4D #3E4D0C

analogous

#0C1E4D #1B0C4D #3B0C4D

triadic

#1B0C4D #4D1B0C #0C4D1B

tetradic

#1B0C4D #4D0C1E #3E4D0C #0C4D3B

square

#1B0C4D #4D0C1E #3E4D0C #0C4D3B

split-complementary

#1B0C4D #4D3B0C #1E4D0C

monochromatic

#09041A #09041A #1B0C4D #2E1482 #401DB7

Accessibility & contrast

On white

17.41

#1B0C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1B0C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0C4D

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0C4D	#FFFFFF	#000000	##FFFFFF
##1B0C4D	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4F

Deuteranopia (green-blind)

#00184C

Tritanopia (blue-blind)

#011F2C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1b0c4d;
/* rgb */ color: rgb(27, 12, 77);
/* oklch */ color: oklch(23.0% 0.110 284.2);

Tailwind

colors: {
  custom: {
    50: '#5f4d80',
    500: '#1b0c4d',
    950: '#000000',
  },
}

SCSS

$custom: #1b0c4d;
$custom-light: #5f4d80;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0c4d",
  "rgb": {
    "r": 27,
    "g": 12,
    "b": 77
  },
  "hsl": {
    "h": 253.846,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22994,
    "c": 0.11009,
    "h": 284.2
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary

#1B0C4D

secondary

#73892C

accent

#F038C5

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1B0C4D

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

Preview Lab → · Contrast checker → · Palette generator →