#1F0F66#1F0F66

#1F0F66 is a dark, vivid violet. Relative luminance 0.016; OKLCH L 26.7% C 0.139 H 279.8°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F66
RGB	rgb(31, 15, 102)
HSL	hsl(251, 74%, 23%)
HSV	hsv(251, 85%, 40%)
CMYK	cmyk(69.6%, 85.3%, 0%, 60%)
CIE-LAB	lab(13.18, 34.54, -47.43)
CIE-LCH	lch(13.18, 58.68, 306.06°)
OKLab	oklab(26.71% 0.0236 -0.1369)
OKLCH	oklch(26.71% 0.139 279.8)
XYZ	xyz(3.1334, 1.5920, 12.7100)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F66 #56660F

analogous

#0F2B66 #1F0F66 #4A0F66

triadic

#1F0F66 #661F0F #0F661F

tetradic

#1F0F66 #660F2B #56660F #0F664A

square

#1F0F66 #660F2B #56660F #0F664A

split-complementary

#1F0F66 #664A0F #2B660F

monochromatic

#08041B #0F0731 #1F0F66 #2F179B #3F1FD1

Accessibility & contrast

On white

15.93

#1F0F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1F0F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F66

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F66	#FFFFFF	#000000	##FFFFFF
##1F0F66	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002568

Deuteranopia (green-blind)

#001F64

Tritanopia (blue-blind)

#002A3B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1f0f66;
/* rgb */ color: rgb(31, 15, 102);
/* oklch */ color: oklch(26.7% 0.139 279.8);

Tailwind

colors: {
  custom: {
    50: '#675193',
    500: '#1f0f66',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f66;
$custom-light: #675193;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f66",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 102
  },
  "hsl": {
    "h": 251.034,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.26709,
    "c": 0.13895,
    "h": 279.8
  },
  "luminance": 0.01592
}

Semantic roles & 50–950 ramp

primary

#1F0F66

secondary

#8B9F32

accent

#F137CF

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1F0F66

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

Preview Lab → · Contrast checker → · Palette generator →