#1B0D4B#1B0D4B

#1B0D4B is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.9% C 0.106 H 284.6°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D4B
RGB	rgb(27, 13, 75)
HSL	hsl(254, 70%, 17%)
HSV	hsv(254, 83%, 29%)
CMYK	cmyk(64%, 82.7%, 0%, 70.6%)
CIE-LAB	lab(9.23, 26.13, -35.68)
CIE-LCH	lch(9.23, 44.22, 306.22°)
OKLab	oklab(22.91% 0.0269 -0.1028)
OKLCH	oklch(22.91% 0.106 284.6)
XYZ	xyz(1.8655, 1.0287, 6.7555)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D4B #3D4B0D

analogous

#0D1E4B #1B0D4B #3A0D4B

triadic

#1B0D4B #4B1B0D #0D4B1B

tetradic

#1B0D4B #4B0D1E #3D4B0D #0D4B3A

square

#1B0D4B #4B0D1E #3D4B0D #0D4B3A

split-complementary

#1B0D4B #4B3A0D #1E4B0D

monochromatic

#09051A #09051A #1B0D4B #2E167F #411FB3

Accessibility & contrast

On white

17.42

#1B0D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1B0D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D4B

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D4B	#FFFFFF	#000000	##FFFFFF
##1B0D4B	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#031E2B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1b0d4b;
/* rgb */ color: rgb(27, 13, 75);
/* oklch */ color: oklch(22.9% 0.106 284.6);

Tailwind

colors: {
  custom: {
    50: '#5f4d7e',
    500: '#1b0d4b',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d4b;
$custom-light: #5f4d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d4b",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 75
  },
  "hsl": {
    "h": 253.548,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22908,
    "c": 0.10622,
    "h": 284.6
  },
  "luminance": 0.01029
}

Semantic roles & 50–950 ramp

primary

#1B0D4B

secondary

#72862E

accent

#ED3BC5

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1B0D4B

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

Preview Lab → · Contrast checker → · Palette generator →