#1F0F49#1F0F49

#1F0F49 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.4% C 0.101 H 288.8°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F49
RGB	rgb(31, 15, 73)
HSL	hsl(257, 66%, 17%)
HSV	hsv(257, 79%, 29%)
CMYK	cmyk(57.5%, 79.5%, 0%, 71.4%)
CIE-LAB	lab(9.91, 24.93, -33.16)
CIE-LCH	lch(9.91, 41.49, 306.94°)
OKLab	oklab(23.43% 0.0324 -0.0952)
OKLCH	oklch(23.43% 0.101 288.8)
XYZ	xyz(1.9381, 1.1139, 6.4149)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F49 #39490F

analogous

#0F1C49 #1F0F49 #3C0F49

triadic

#1F0F49 #491F0F #0F491F

tetradic

#1F0F49 #490F1C #39490F #0F493C

square

#1F0F49 #490F1C #39490F #0F493C

split-complementary

#1F0F49 #493C0F #1C490F

monochromatic

#0B0519 #0B0519 #1F0F49 #35197C #4A24AF

Accessibility & contrast

On white

17.17

#1F0F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#1F0F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F49

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F49	#FFFFFF	#000000	##FFFFFF
##1F0F49	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#0F1E2A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1f0f49;
/* rgb */ color: rgb(31, 15, 73);
/* oklch */ color: oklch(23.4% 0.101 288.8);

Tailwind

colors: {
  custom: {
    50: '#604f7c',
    500: '#1f0f49',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f49;
$custom-light: #604f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f49",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 73
  },
  "hsl": {
    "h": 256.552,
    "s": 65.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.23433,
    "c": 0.10061,
    "h": 288.8
  },
  "luminance": 0.01114
}

Semantic roles & 50–950 ramp

primary

#1F0F49

secondary

#6C8330

accent

#E93FBA

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#050209

muted

#79787B

Preview Lab

Preview with #1F0F49

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

Preview Lab → · Contrast checker → · Palette generator →