#1F0F4A#1F0F4A

#1F0F4A is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.5% C 0.102 H 288.4°. Best body text is #FFFFFF at 17.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F4A
RGB	rgb(31, 15, 74)
HSL	hsl(256, 66%, 17%)
HSV	hsv(256, 80%, 29%)
CMYK	cmyk(58.1%, 79.7%, 0%, 71%)
CIE-LAB	lab(10.01, 25.27, -33.68)
CIE-LCH	lch(10.01, 42.11, 306.88°)
OKLab	oklab(23.54% 0.0322 -0.0968)
OKLCH	oklch(23.54% 0.102 288.4)
XYZ	xyz(1.9716, 1.1273, 6.5909)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F4A #3A4A0F

analogous

#0F1D4A #1F0F4A #3C0F4A

triadic

#1F0F4A #4A1F0F #0F4A1F

tetradic

#1F0F4A #4A0F1D #3A4A0F #0F4A3C

square

#1F0F4A #4A0F1D #3A4A0F #0F4A3C

split-complementary

#1F0F4A #4A3C0F #1D4A0F

monochromatic

#0B0519 #0B0519 #1F0F4A #34197D #4A24B0

Accessibility & contrast

On white

17.14

#1F0F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1F0F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F4A

17.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F4A	#FFFFFF	#000000	##FFFFFF
##1F0F4A	1.00	17.14	1.23	17.14
#FFFFFF	17.14	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4C

Deuteranopia (green-blind)

#001A49

Tritanopia (blue-blind)

#0F1F2B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1f0f4a;
/* rgb */ color: rgb(31, 15, 74);
/* oklch */ color: oklch(23.5% 0.102 288.4);

Tailwind

colors: {
  custom: {
    50: '#604f7d',
    500: '#1f0f4a',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f4a;
$custom-light: #604f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f4a",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 74
  },
  "hsl": {
    "h": 256.271,
    "s": 66.292,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23538,
    "c": 0.102,
    "h": 288.4
  },
  "luminance": 0.01127
}

Semantic roles & 50–950 ramp

primary

#1F0F4A

secondary

#6E8430

accent

#E93FBB

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F0F4A

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

Preview Lab → · Contrast checker → · Palette generator →