#1F0F44#1F0F44

#1F0F44 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 22.9% C 0.094 H 291.0°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F44
RGB	rgb(31, 15, 68)
HSL	hsl(258, 64%, 16%)
HSV	hsv(258, 78%, 27%)
CMYK	cmyk(54.4%, 77.9%, 0%, 73.3%)
CIE-LAB	lab(9.40, 23.26, -30.48)
CIE-LCH	lch(9.40, 38.34, 307.35°)
OKLab	oklab(22.92% 0.0336 -0.0874)
OKLCH	oklch(22.92% 0.094 291)
XYZ	xyz(1.7790, 1.0502, 5.5767)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F44 #34440F

analogous

#0F1A44 #1F0F44 #3A0F44

triadic

#1F0F44 #441F0F #0F441F

tetradic

#1F0F44 #440F1A #34440F #0F443A

square

#1F0F44 #440F1A #34440F #0F443A

split-complementary

#1F0F44 #443A0F #1A440F

monochromatic

#0B0619 #0B0619 #1F0F44 #361A76 #4D25A8

Accessibility & contrast

On white

17.36

#1F0F44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0F44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F44

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F44	#FFFFFF	#000000	##FFFFFF
##1F0F44	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B46

Deuteranopia (green-blind)

#001943

Tritanopia (blue-blind)

#131C28

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f0f44;
/* rgb */ color: rgb(31, 15, 68);
/* oklch */ color: oklch(22.9% 0.094 291.0);

Tailwind

colors: {
  custom: {
    50: '#5f4e78',
    500: '#1f0f44',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f44;
$custom-light: #5f4e78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f44",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 68
  },
  "hsl": {
    "h": 258.113,
    "s": 63.855,
    "l": 16.275
  },
  "oklch": {
    "l": 0.22919,
    "c": 0.0936,
    "h": 291
  },
  "luminance": 0.0105
}

Semantic roles & 50–950 ramp

primary

#1F0F44

secondary

#677E30

accent

#E741B5

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050209

muted

#79787B

Preview Lab

Preview with #1F0F44

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

Preview Lab → · Contrast checker → · Palette generator →