#1F0F4C#1F0F4C

#1F0F4C is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.8% C 0.105 H 287.6°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F4C
RGB	rgb(31, 15, 76)
HSL	hsl(256, 67%, 18%)
HSV	hsv(256, 80%, 30%)
CMYK	cmyk(59.2%, 80.3%, 0%, 70.2%)
CIE-LAB	lab(10.22, 25.94, -34.73)
CIE-LCH	lch(10.22, 43.35, 306.76°)
OKLab	oklab(23.75% 0.0316 -0.0999)
OKLCH	oklch(23.75% 0.105 287.6)
XYZ	xyz(2.0400, 1.1547, 6.9515)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F4C #3C4C0F

analogous

#0F1D4C #1F0F4C #3D0F4C

triadic

#1F0F4C #4C1F0F #0F4C1F

tetradic

#1F0F4C #4C0F1D #3C4C0F #0F4C3D

square

#1F0F4C #4C0F1D #3C4C0F #0F4C3D

split-complementary

#1F0F4C #4C3D0F #1D4C0F

monochromatic

#0A051A #0A051A #1F0F4C #34197F #4923B2

Accessibility & contrast

On white

17.06

#1F0F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1F0F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F4C

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F4C	#FFFFFF	#000000	##FFFFFF
##1F0F4C	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4E

Deuteranopia (green-blind)

#001A4B

Tritanopia (blue-blind)

#0D1F2C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1f0f4c;
/* rgb */ color: rgb(31, 15, 76);
/* oklch */ color: oklch(23.8% 0.105 287.6);

Tailwind

colors: {
  custom: {
    50: '#614f7f',
    500: '#1f0f4c',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f4c;
$custom-light: #614f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f4c",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 76
  },
  "hsl": {
    "h": 255.738,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.2375,
    "c": 0.10475,
    "h": 287.6
  },
  "luminance": 0.01155
}

Semantic roles & 50–950 ramp

primary

#1F0F4C

secondary

#708631

accent

#EA3EBD

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F0F4C

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

Preview Lab → · Contrast checker → · Palette generator →