#1F0C55#1F0C55

#1F0C55 is a very dark, vivid violet. Relative luminance 0.012; OKLCH L 24.3% C 0.120 H 285.1°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#1F0C55
RGB	rgb(31, 12, 85)
HSL	hsl(256, 75%, 19%)
HSV	hsv(256, 86%, 33%)
CMYK	cmyk(63.5%, 85.9%, 0%, 66.7%)
CIE-LAB	lab(10.63, 30.58, -40.24)
CIE-LCH	lch(10.63, 50.54, 307.23°)
OKLab	oklab(24.34% 0.0313 -0.1159)
OKLCH	oklch(24.34% 0.12 285.1)
XYZ	xyz(2.3357, 1.2100, 8.7030)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0C55 #42550C

analogous

#0C1E55 #1F0C55 #440C55

triadic

#1F0C55 #551F0C #0C551F

tetradic

#1F0C55 #550C1E #42550C #0C5544

square

#1F0C55 #550C1E #42550C #0C5544

split-complementary

#1F0C55 #55440C #1E550C

monochromatic

#0A041B #0B041F #1F0C55 #33148B #461BC0

Accessibility & contrast

On white

16.91

#1F0C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#1F0C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0C55

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0C55	#FFFFFF	#000000	##FFFFFF
##1F0C55	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F57

Deuteranopia (green-blind)

#001A54

Tritanopia (blue-blind)

#022231

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1f0c55;
/* rgb */ color: rgb(31, 12, 85);
/* oklch */ color: oklch(24.3% 0.120 285.1);

Tailwind

colors: {
  custom: {
    50: '#634e86',
    500: '#1f0c55',
    950: '#000000',
  },
}

SCSS

$custom: #1f0c55;
$custom-light: #634e86;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0c55",
  "rgb": {
    "r": 31,
    "g": 12,
    "b": 85
  },
  "hsl": {
    "h": 255.616,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24341,
    "c": 0.12009,
    "h": 285.1
  },
  "luminance": 0.0121
}

Semantic roles & 50–950 ramp

primary

#1F0C55

secondary

#76902D

accent

#F236C1

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#06020B

muted

#7A787C

Preview Lab

Preview with #1F0C55

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

Preview Lab → · Contrast checker → · Palette generator →