#1F0B45#1F0B45

#1F0B45 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.4% C 0.100 H 292.0°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F0B45
RGB	rgb(31, 11, 69)
HSL	hsl(261, 73%, 16%)
HSV	hsv(261, 84%, 27%)
CMYK	cmyk(55.1%, 84.1%, 0%, 72.9%)
CIE-LAB	lab(8.66, 25.97, -32.40)
CIE-LCH	lch(8.66, 41.52, 308.71°)
OKLab	oklab(22.42% 0.0375 -0.093)
OKLCH	oklch(22.42% 0.1 292)
XYZ	xyz(1.7586, 0.9603, 5.7218)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0B45 #31450B

analogous

#0B1445 #1F0B45 #3C0B45

triadic

#1F0B45 #451F0B #0B451F

tetradic

#1F0B45 #450B14 #31450B #0B453C

square

#1F0B45 #450B14 #31450B #0B453C

split-complementary

#1F0B45 #453C0B #14450B

monochromatic

#0C041A #0C041A #1F0B45 #37137A #4E1CAF

Accessibility & contrast

On white

17.62

#1F0B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1F0B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0B45

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0B45	#FFFFFF	#000000	##FFFFFF
##1F0B45	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A47

Deuteranopia (green-blind)

#001844

Tritanopia (blue-blind)

#131B27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #1f0b45;
/* rgb */ color: rgb(31, 11, 69);
/* oklch */ color: oklch(22.4% 0.100 292.0);

Tailwind

colors: {
  custom: {
    50: '#604c79',
    500: '#1f0b45',
    950: '#000000',
  },
}

SCSS

$custom: #1f0b45;
$custom-light: #604c79;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0b45",
  "rgb": {
    "r": 31,
    "g": 11,
    "b": 69
  },
  "hsl": {
    "h": 260.69,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22421,
    "c": 0.10029,
    "h": 292
  },
  "luminance": 0.0096
}

Semantic roles & 50–950 ramp

primary

#1F0B45

secondary

#63812A

accent

#EF39B0

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0B45

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

Preview Lab → · Contrast checker → · Palette generator →