#1F0B47#1F0B47

#1F0B47 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.103 H 291.0°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B47
RGB	rgb(31, 11, 71)
HSL	hsl(260, 73%, 16%)
HSV	hsv(260, 85%, 28%)
CMYK	cmyk(56.3%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(8.87, 26.61, -33.46)
CIE-LCH	lch(8.87, 42.75, 308.50°)
OKLab	oklab(22.64% 0.0369 -0.0961)
OKLCH	oklch(22.64% 0.103 291)
XYZ	xyz(1.8218, 0.9855, 6.0542)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B47 #33470B

analogous

#0B1547 #1F0B47 #3D0B47

triadic

#1F0B47 #471F0B #0B471F

tetradic

#1F0B47 #470B15 #33470B #0B473D

square

#1F0B47 #470B15 #33470B #0B473D

split-complementary

#1F0B47 #473D0B #15470B

monochromatic

#0C041A #0C041A #1F0B47 #36137C #4D1BB1

Accessibility & contrast

On white

17.54

#1F0B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1F0B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B47

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B47	#FFFFFF	#000000	##FFFFFF
##1F0B47	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A49

Deuteranopia (green-blind)

#001846

Tritanopia (blue-blind)

#111C28

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #1f0b47;
/* rgb */ color: rgb(31, 11, 71);
/* oklch */ color: oklch(22.6% 0.103 291.0);

Tailwind

colors: {
  custom: {
    50: '#604c7b',
    500: '#1f0b47',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b47;
$custom-light: #604c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b47",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 260,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.22637,
    "c": 0.10293,
    "h": 291
  },
  "luminance": 0.00986
}

Semantic roles & 50–950 ramp

primary

#1F0B47

secondary

#66832A

accent

#F038B3

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0B47

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

Preview Lab → · Contrast checker → · Palette generator →