#1F0843#1F0843

#1F0843 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.8% C 0.101 H 293.9°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#1F0843
RGB	rgb(31, 8, 67)
HSL	hsl(263, 79%, 15%)
HSV	hsv(263, 88%, 26%)
CMYK	cmyk(53.7%, 88.1%, 0%, 73.7%)
CIE-LAB	lab(7.86, 27.00, -32.29)
CIE-LCH	lch(7.86, 42.09, 309.90°)
OKLab	oklab(21.8% 0.0411 -0.0927)
OKLCH	oklch(21.8% 0.101 293.9)
XYZ	xyz(1.6647, 0.8702, 5.3893)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0843 #2C4308

analogous

#080E43 #1F0843 #3D0843

triadic

#1F0843 #431F08 #08431F

tetradic

#1F0843 #43080E #2C4308 #08433D

square

#1F0843 #43080E #2C4308 #08433D

split-complementary

#1F0843 #433D08 #0E4308

monochromatic

#0D031B #0D031B #1F0843 #380F7A #5215B0

Accessibility & contrast

On white

17.89

#1F0843 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1F0843 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0843

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0843	#FFFFFF	#000000	##FFFFFF
##1F0843	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001845

Deuteranopia (green-blind)

#001642

Tritanopia (blue-blind)

#141925

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1f0843;
/* rgb */ color: rgb(31, 8, 67);
/* oklch */ color: oklch(21.8% 0.101 293.9);

Tailwind

colors: {
  custom: {
    50: '#604a78',
    500: '#1f0843',
    950: '#000000',
  },
}

SCSS

$custom: #1f0843;
$custom-light: #604a78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0843",
  "rgb": {
    "r": 31,
    "g": 8,
    "b": 67
  },
  "hsl": {
    "h": 263.39,
    "s": 78.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21798,
    "c": 0.10138,
    "h": 293.9
  },
  "luminance": 0.0087
}

Semantic roles & 50–950 ramp

primary

#1F0843

secondary

#5E8125

accent

#F533A9

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1F0843

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

Preview Lab → · Contrast checker → · Palette generator →