#1B0A47#1B0A47

#1B0A47 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.104 H 287.1°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B0A47
RGB	rgb(27, 10, 71)
HSL	hsl(257, 75%, 16%)
HSV	hsv(257, 86%, 28%)
CMYK	cmyk(62%, 85.9%, 0%, 72.2%)
CIE-LAB	lab(8.17, 26.50, -34.62)
CIE-LCH	lch(8.17, 43.60, 307.43°)
OKLab	oklab(22.03% 0.0306 -0.0996)
OKLCH	oklch(22.03% 0.104 287.1)
XYZ	xyz(1.6975, 0.9049, 6.0452)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0A47 #36470A

analogous

#0A1747 #1B0A47 #390A47

triadic

#1B0A47 #471B0A #0A471B

tetradic

#1B0A47 #470A17 #36470A #0A4739

square

#1B0A47 #470A17 #36470A #0A4739

split-complementary

#1B0A47 #47390A #17470A

monochromatic

#0A041B #0A041B #1B0A47 #2F127D #4419B2

Accessibility & contrast

On white

17.78

#1B0A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#1B0A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0A47

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0A47	#FFFFFF	#000000	##FFFFFF
##1B0A47	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001949

Deuteranopia (green-blind)

#001646

Tritanopia (blue-blind)

#071B28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1b0a47;
/* rgb */ color: rgb(27, 10, 71);
/* oklch */ color: oklch(22.0% 0.104 287.1);

Tailwind

colors: {
  custom: {
    50: '#5e4b7b',
    500: '#1b0a47',
    950: '#000000',
  },
}

SCSS

$custom: #1b0a47;
$custom-light: #5e4b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0a47",
  "rgb": {
    "r": 27,
    "g": 10,
    "b": 71
  },
  "hsl": {
    "h": 256.721,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22031,
    "c": 0.10425,
    "h": 287.1
  },
  "luminance": 0.00905
}

Semantic roles & 50–950 ramp

primary

#1B0A47

secondary

#6B8429

accent

#F236BE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0A47

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

Preview Lab → · Contrast checker → · Palette generator →