#1B0D4E#1B0D4E

#1B0D4E is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.2% C 0.110 H 283.6°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D4E
RGB	rgb(27, 13, 78)
HSL	hsl(253, 71%, 18%)
HSV	hsv(253, 83%, 31%)
CMYK	cmyk(65.4%, 83.3%, 0%, 69.4%)
CIE-LAB	lab(9.57, 27.15, -37.20)
CIE-LCH	lch(9.57, 46.06, 306.13°)
OKLab	oklab(23.25% 0.026 -0.1072)
OKLCH	oklch(23.25% 0.11 283.6)
XYZ	xyz(1.9706, 1.0708, 7.3091)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D4E #404E0D

analogous

#0D1F4E #1B0D4E #3B0D4E

triadic

#1B0D4E #4E1B0D #0D4E1B

tetradic

#1B0D4E #4E0D1F #404E0D #0D4E3B

square

#1B0D4E #4E0D1F #404E0D #0D4E3B

split-complementary

#1B0D4E #4E3B0D #1F4E0D

monochromatic

#09041A #09041A #1B0D4E #2D1682 #3F1EB7

Accessibility & contrast

On white

17.30

#1B0D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1B0D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D4E

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D4E	#FFFFFF	#000000	##FFFFFF
##1B0D4E	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1b0d4e;
/* rgb */ color: rgb(27, 13, 78);
/* oklch */ color: oklch(23.2% 0.110 283.6);

Tailwind

colors: {
  custom: {
    50: '#5f4d80',
    500: '#1b0d4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d4e;
$custom-light: #5f4d80;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d4e",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 78
  },
  "hsl": {
    "h": 252.923,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.23249,
    "c": 0.11032,
    "h": 283.6
  },
  "luminance": 0.01071
}

Semantic roles & 50–950 ramp

primary

#1B0D4E

secondary

#75892E

accent

#EE3AC7

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1B0D4E

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

Preview Lab → · Contrast checker → · Palette generator →