#1F0F5B#1F0F5B

#1F0F5B is a dark, vivid violet. Relative luminance 0.014; OKLCH L 25.4% C 0.125 H 282.6°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F5B
RGB	rgb(31, 15, 91)
HSL	hsl(253, 72%, 21%)
HSV	hsv(253, 84%, 36%)
CMYK	cmyk(65.9%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(11.88, 30.94, -42.25)
CIE-LCH	lch(11.88, 52.37, 306.22°)
OKLab	oklab(25.42% 0.0272 -0.1218)
OKLCH	oklch(25.42% 0.125 282.6)
XYZ	xyz(2.6236, 1.3881, 10.0252)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F5B #4B5B0F

analogous

#0F255B #1F0F5B #450F5B

triadic

#1F0F5B #5B1F0F #0F5B1F

tetradic

#1F0F5B #5B0F25 #4B5B0F #0F5B45

square

#1F0F5B #5B0F25 #4B5B0F #0F5B45

split-complementary

#1F0F5B #5B450F #255B0F

monochromatic

#09041A #0D0626 #1F0F5B #311890 #4320C4

Accessibility & contrast

On white

16.44

#1F0F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1F0F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F5B

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F5B	#FFFFFF	#000000	##FFFFFF
##1F0F5B	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001D5A

Tritanopia (blue-blind)

#002535

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1f0f5b;
/* rgb */ color: rgb(31, 15, 91);
/* oklch */ color: oklch(25.4% 0.125 282.6);

Tailwind

colors: {
  custom: {
    50: '#64508a',
    500: '#1f0f5b',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f5b;
$custom-light: #64508a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f5b",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 252.632,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25417,
    "c": 0.12483,
    "h": 282.6
  },
  "luminance": 0.01388
}

Semantic roles & 50–950 ramp

primary

#1F0F5B

secondary

#809531

accent

#EE39C8

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F0F5B

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

Preview Lab → · Contrast checker → · Palette generator →