#1F0F45#1F0F45

#1F0F45 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.0% C 0.095 H 290.5°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F45
RGB	rgb(31, 15, 69)
HSL	hsl(258, 64%, 16%)
HSV	hsv(258, 78%, 27%)
CMYK	cmyk(55.1%, 78.3%, 0%, 72.9%)
CIE-LAB	lab(9.50, 23.59, -31.02)
CIE-LCH	lch(9.50, 38.97, 307.26°)
OKLab	oklab(23.02% 0.0333 -0.089)
OKLCH	oklch(23.02% 0.095 290.5)
XYZ	xyz(1.8098, 1.0626, 5.7388)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F45 #35450F

analogous

#0F1A45 #1F0F45 #3A0F45

triadic

#1F0F45 #451F0F #0F451F

tetradic

#1F0F45 #450F1A #35450F #0F453A

square

#1F0F45 #450F1A #35450F #0F453A

split-complementary

#1F0F45 #453A0F #1A450F

monochromatic

#0B0519 #0B0519 #1F0F45 #361A77 #4C25AA

Accessibility & contrast

On white

17.32

#1F0F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F45

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F45	#FFFFFF	#000000	##FFFFFF
##1F0F45	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001944

Tritanopia (blue-blind)

#121D28

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0f45;
/* rgb */ color: rgb(31, 15, 69);
/* oklch */ color: oklch(23.0% 0.095 290.5);

Tailwind

colors: {
  custom: {
    50: '#5f4e79',
    500: '#1f0f45',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f45;
$custom-light: #5f4e79;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f45",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 69
  },
  "hsl": {
    "h": 257.778,
    "s": 64.286,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2302,
    "c": 0.09501,
    "h": 290.5
  },
  "luminance": 0.01063
}

Semantic roles & 50–950 ramp

primary

#1F0F45

secondary

#687F30

accent

#E741B6

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050209

muted

#79787B

Preview Lab

Preview with #1F0F45

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

Preview Lab → · Contrast checker → · Palette generator →