#1F0435#1F0435

#1F0435 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.7% C 0.090 H 304.5°. Best body text is #FFFFFF at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F0435
RGB	rgb(31, 4, 53)
HSL	hsl(273, 86%, 11%)
HSV	hsv(273, 92%, 21%)
CMYK	cmyk(41.5%, 92.5%, 0%, 79.2%)
CIE-LAB	lab(5.74, 24.35, -25.65)
CIE-LCH	lch(5.74, 35.37, 313.51°)
OKLab	oklab(19.69% 0.0512 -0.0744)
OKLCH	oklch(19.69% 0.09 304.5)
XYZ	xyz(1.2509, 0.6352, 3.4242)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0435 #1A3504

analogous

#060435 #1F0435 #350432

triadic

#1F0435 #351F04 #04351F

tetradic

#1F0435 #350604 #1A3504 #043235

square

#1F0435 #350604 #1A3504 #043235

split-complementary

#1F0435 #323504 #043506

monochromatic

#11021C #11021C #1F0435 #40086E #620DA7

Accessibility & contrast

On white

18.63

#1F0435 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1F0435 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0435

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0435	#FFFFFF	#000000	##FFFFFF
##1F0435	1.00	18.63	1.13	18.63
#FFFFFF	18.63	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001236

Deuteranopia (green-blind)

#001334

Tritanopia (blue-blind)

#1B101C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1f0435;
/* rgb */ color: rgb(31, 4, 53);
/* oklch */ color: oklch(19.7% 0.090 304.5);

Tailwind

colors: {
  custom: {
    50: '#5d486d',
    500: '#1f0435',
    950: '#000000',
  },
}

SCSS

$custom: #1f0435;
$custom-light: #5d486d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0435",
  "rgb": {
    "r": 31,
    "g": 4,
    "b": 53
  },
  "hsl": {
    "h": 273.061,
    "s": 85.965,
    "l": 11.176
  },
  "oklch": {
    "l": 0.19686,
    "c": 0.0903,
    "h": 304.5
  },
  "luminance": 0.00635
}

Semantic roles & 50–950 ramp

primary

#1F0435

secondary

#46771E

accent

#FC2C89

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040007

muted

#79777A

Preview Lab

Preview with #1F0435

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

Preview Lab → · Contrast checker → · Palette generator →