#1F0F4D#1F0F4D

#1F0F4D is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.9% C 0.106 H 287.2°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F4D
RGB	rgb(31, 15, 77)
HSL	hsl(255, 67%, 18%)
HSV	hsv(255, 81%, 30%)
CMYK	cmyk(59.7%, 80.5%, 0%, 69.8%)
CIE-LAB	lab(10.32, 26.28, -35.25)
CIE-LCH	lch(10.32, 43.97, 306.70°)
OKLab	oklab(23.86% 0.0314 -0.1014)
OKLCH	oklch(23.86% 0.106 287.2)
XYZ	xyz(2.0751, 1.1687, 7.1360)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F4D #3D4D0F

analogous

#0F1E4D #1F0F4D #3E0F4D

triadic

#1F0F4D #4D1F0F #0F4D1F

tetradic

#1F0F4D #4D0F1E #3D4D0F #0F4D3E

square

#1F0F4D #4D0F1E #3D4D0F #0F4D3E

split-complementary

#1F0F4D #4D3E0F #1E4D0F

monochromatic

#0A051A #0A051A #1F0F4D #341980 #4823B3

Accessibility & contrast

On white

17.02

#1F0F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1F0F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F4D

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F4D	#FFFFFF	#000000	##FFFFFF
##1F0F4D	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4F

Deuteranopia (green-blind)

#001A4C

Tritanopia (blue-blind)

#0C202D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1f0f4d;
/* rgb */ color: rgb(31, 15, 77);
/* oklch */ color: oklch(23.9% 0.106 287.2);

Tailwind

colors: {
  custom: {
    50: '#614f7f',
    500: '#1f0f4d',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f4d;
$custom-light: #614f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f4d",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 77
  },
  "hsl": {
    "h": 255.484,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23857,
    "c": 0.10612,
    "h": 287.2
  },
  "luminance": 0.01169
}

Semantic roles & 50–950 ramp

primary

#1F0F4D

secondary

#718731

accent

#EA3EBE

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05020A

muted

#7A787C

Preview Lab

Preview with #1F0F4D

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

Preview Lab → · Contrast checker → · Palette generator →