#1F0F46#1F0F46

#1F0F46 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.1% C 0.096 H 290.1°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F46
RGB	rgb(31, 15, 70)
HSL	hsl(257, 65%, 17%)
HSV	hsv(257, 79%, 27%)
CMYK	cmyk(55.7%, 78.6%, 0%, 72.5%)
CIE-LAB	lab(9.60, 23.93, -31.56)
CIE-LCH	lch(9.60, 39.60, 307.17°)
OKLab	oklab(23.12% 0.0331 -0.0906)
OKLCH	oklch(23.12% 0.096 290.1)
XYZ	xyz(1.8411, 1.0751, 5.9037)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F46 #36460F

analogous

#0F1B46 #1F0F46 #3B0F46

triadic

#1F0F46 #461F0F #0F461F

tetradic

#1F0F46 #460F1B #36460F #0F463B

square

#1F0F46 #460F1B #36460F #0F463B

split-complementary

#1F0F46 #463B0F #1B460F

monochromatic

#0B0519 #0B0519 #1F0F46 #351A78 #4C25AB

Accessibility & contrast

On white

17.28

#1F0F46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F0F46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F46

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F46	#FFFFFF	#000000	##FFFFFF
##1F0F46	1.00	17.28	1.21	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C48

Deuteranopia (green-blind)

#001945

Tritanopia (blue-blind)

#121D29

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1f0f46;
/* rgb */ color: rgb(31, 15, 70);
/* oklch */ color: oklch(23.1% 0.096 290.1);

Tailwind

colors: {
  custom: {
    50: '#604f7a',
    500: '#1f0f46',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f46;
$custom-light: #604f7a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f46",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 70
  },
  "hsl": {
    "h": 257.455,
    "s": 64.706,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23122,
    "c": 0.09642,
    "h": 290.1
  },
  "luminance": 0.01075
}

Semantic roles & 50–950 ramp

primary

#1F0F46

secondary

#698030

accent

#E840B7

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050209

muted

#79787B

Preview Lab

Preview with #1F0F46

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

Preview Lab → · Contrast checker → · Palette generator →