#1F1049#1F1049

#1F1049 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.6% C 0.099 H 288.4°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F1049
RGB	rgb(31, 16, 73)
HSL	hsl(256, 64%, 17%)
HSV	hsv(256, 78%, 29%)
CMYK	cmyk(57.5%, 78.1%, 0%, 71.4%)
CIE-LAB	lab(10.13, 24.32, -32.79)
CIE-LCH	lch(10.13, 40.82, 306.56°)
OKLab	oklab(23.59% 0.0314 -0.0942)
OKLCH	oklch(23.59% 0.099 288.4)
XYZ	xyz(1.9526, 1.1428, 6.4197)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1049 #3A4910

analogous

#101E49 #1F1049 #3B1049

triadic

#1F1049 #491F10 #10491F

tetradic

#1F1049 #49101E #3A4910 #10493B

square

#1F1049 #49101E #3A4910 #10493B

split-complementary

#1F1049 #493B10 #1E4910

monochromatic

#0B0619 #0B0619 #1F1049 #341B7B #4A26AD

Accessibility & contrast

On white

17.09

#1F1049 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1F1049 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1049

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1049	#FFFFFF	#000000	##FFFFFF
##1F1049	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#0F1F2B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1f1049;
/* rgb */ color: rgb(31, 16, 73);
/* oklch */ color: oklch(23.6% 0.099 288.4);

Tailwind

colors: {
  custom: {
    50: '#604f7c',
    500: '#1f1049',
    950: '#000000',
  },
}

SCSS

$custom: #1f1049;
$custom-light: #604f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1049",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 73
  },
  "hsl": {
    "h": 255.789,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23591,
    "c": 0.09927,
    "h": 288.4
  },
  "luminance": 0.01143
}

Semantic roles & 50–950 ramp

primary

#1F1049

secondary

#6E8332

accent

#E741BB

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050209

muted

#79787B

Preview Lab

Preview with #1F1049

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

Preview Lab → · Contrast checker → · Palette generator →