#1F0C47#1F0C47

#1F0C47 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.8% C 0.102 H 290.7°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F0C47
RGB	rgb(31, 12, 71)
HSL	hsl(259, 71%, 16%)
HSV	hsv(259, 83%, 28%)
CMYK	cmyk(56.3%, 83.1%, 0%, 72.2%)
CIE-LAB	lab(9.07, 26.05, -33.13)
CIE-LCH	lch(9.07, 42.15, 308.18°)
OKLab	oklab(22.78% 0.0359 -0.0952)
OKLCH	oklch(22.78% 0.102 290.7)
XYZ	xyz(1.8336, 1.0091, 6.0582)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0C47 #34470C

analogous

#0C1747 #1F0C47 #3D0C47

triadic

#1F0C47 #471F0C #0C471F

tetradic

#1F0C47 #470C17 #34470C #0C473D

square

#1F0C47 #470C17 #34470C #0C473D

split-complementary

#1F0C47 #473D0C #17470C

monochromatic

#0B041A #0B041A #1F0C47 #36157B #4D1EB0

Accessibility & contrast

On white

17.47

#1F0C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1F0C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0C47

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0C47	#FFFFFF	#000000	##FFFFFF
##1F0C47	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B49

Deuteranopia (green-blind)

#001846

Tritanopia (blue-blind)

#111C29

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0c47;
/* rgb */ color: rgb(31, 12, 71);
/* oklch */ color: oklch(22.8% 0.102 290.7);

Tailwind

colors: {
  custom: {
    50: '#604d7b',
    500: '#1f0c47',
    950: '#000000',
  },
}

SCSS

$custom: #1f0c47;
$custom-light: #604d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0c47",
  "rgb": {
    "r": 31,
    "g": 12,
    "b": 71
  },
  "hsl": {
    "h": 259.322,
    "s": 71.084,
    "l": 16.275
  },
  "oklch": {
    "l": 0.22776,
    "c": 0.10172,
    "h": 290.7
  },
  "luminance": 0.01009
}

Semantic roles & 50–950 ramp

primary

#1F0C47

secondary

#67832C

accent

#EE3AB4

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0C47

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

Preview Lab → · Contrast checker → · Palette generator →