#1B0D43#1B0D43

#1B0D43 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.095 H 287.8°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D43
RGB	rgb(27, 13, 67)
HSL	hsl(256, 68%, 16%)
HSV	hsv(256, 81%, 26%)
CMYK	cmyk(59.7%, 80.6%, 0%, 73.7%)
CIE-LAB	lab(8.36, 23.38, -31.50)
CIE-LCH	lch(8.36, 39.23, 306.59°)
OKLab	oklab(22.03% 0.0291 -0.0905)
OKLCH	oklch(22.03% 0.095 287.8)
XYZ	xyz(1.6087, 0.9260, 5.4031)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D43 #35430D

analogous

#0D1A43 #1B0D43 #360D43

triadic

#1B0D43 #431B0D #0D431B

tetradic

#1B0D43 #430D1A #35430D #0D4336

square

#1B0D43 #430D1A #35430D #0D4336

split-complementary

#1B0D43 #43360D #1A430D

monochromatic

#0A051A #0A051A #1B0D43 #301776 #4421AA

Accessibility & contrast

On white

17.72

#1B0D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1B0D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D43

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D43	#FFFFFF	#000000	##FFFFFF
##1B0D43	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001945

Deuteranopia (green-blind)

#001742

Tritanopia (blue-blind)

#0B1B27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1b0d43;
/* rgb */ color: rgb(27, 13, 67);
/* oklch */ color: oklch(22.0% 0.095 287.8);

Tailwind

colors: {
  custom: {
    50: '#5d4d78',
    500: '#1b0d43',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d43;
$custom-light: #5d4d78;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d43",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 67
  },
  "hsl": {
    "h": 255.556,
    "s": 67.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22029,
    "c": 0.09507,
    "h": 287.8
  },
  "luminance": 0.00926
}

Semantic roles & 50–950 ramp

primary

#1B0D43

secondary

#697E2D

accent

#EA3DBE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #1B0D43

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

Preview Lab → · Contrast checker → · Palette generator →