#1F0B56#1F0B56

#1F0B56 is a very dark, vivid violet. Relative luminance 0.012; OKLCH L 24.3% C 0.122 H 285.0°. Best body text is #FFFFFF at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B56
RGB	rgb(31, 11, 86)
HSL	hsl(256, 77%, 19%)
HSV	hsv(256, 87%, 34%)
CMYK	cmyk(64%, 87.2%, 0%, 66.3%)
CIE-LAB	lab(10.58, 31.40, -41.01)
CIE-LCH	lch(10.58, 51.65, 307.44°)
OKLab	oklab(24.34% 0.0316 -0.1182)
OKLCH	oklch(24.34% 0.122 285)
XYZ	xyz(2.3639, 1.2024, 8.9098)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B56 #42560B

analogous

#0B1D56 #1F0B56 #450B56

triadic

#1F0B56 #561F0B #0B561F

tetradic

#1F0B56 #560B1D #42560B #0B5645

square

#1F0B56 #560B1D #42560B #0B5645

split-complementary

#1F0B56 #56450B #1D560B

monochromatic

#0A031B #0B0420 #1F0B56 #33128C #4619C3

Accessibility & contrast

On white

16.93

#1F0B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#1F0B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B56

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B56	#FFFFFF	#000000	##FFFFFF
##1F0B56	1.00	16.93	1.24	16.93
#FFFFFF	16.93	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F58

Deuteranopia (green-blind)

#001A55

Tritanopia (blue-blind)

#012231

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1f0b56;
/* rgb */ color: rgb(31, 11, 86);
/* oklch */ color: oklch(24.3% 0.122 285.0);

Tailwind

colors: {
  custom: {
    50: '#634d87',
    500: '#1f0b56',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b56;
$custom-light: #634d87;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b56",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 86
  },
  "hsl": {
    "h": 256,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24337,
    "c": 0.12234,
    "h": 285
  },
  "luminance": 0.01203
}

Semantic roles & 50–950 ramp

primary

#1F0B56

secondary

#76912B

accent

#F434C1

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#06010B

muted

#7A777C

Preview Lab

Preview with #1F0B56

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

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