#1F024A#1F024A

#1F024A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.8% C 0.117 H 292.0°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#1F024A
RGB	rgb(31, 2, 74)
HSL	hsl(264, 95%, 15%)
HSV	hsv(264, 97%, 29%)
CMYK	cmyk(58.1%, 97.3%, 0%, 71%)
CIE-LAB	lab(7.49, 32.58, -37.83)
CIE-LCH	lch(7.49, 49.93, 310.74°)
OKLab	oklab(21.79% 0.0439 -0.1088)
OKLCH	oklch(21.79% 0.117 292)
XYZ	xyz(1.8225, 0.8291, 6.5412)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F024A #2D4A02

analogous

#02094A #1F024A #43024A

triadic

#1F024A #4A1F02 #024A1F

tetradic

#1F024A #4A0209 #2D4A02 #024A43

square

#1F024A #4A0209 #2D4A02 #024A43

split-complementary

#1F024A #4A4302 #094A02

monochromatic

#0C011E #0C011E #1F024A #380486 #5105C1

Accessibility & contrast

On white

18.01

#1F024A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1F024A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F024A

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F024A	#FFFFFF	#000000	##FFFFFF
##1F024A	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00174C

Deuteranopia (green-blind)

#001549

Tritanopia (blue-blind)

#0F1928

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #1f024a;
/* rgb */ color: rgb(31, 2, 74);
/* oklch */ color: oklch(21.8% 0.117 292.0);

Tailwind

colors: {
  custom: {
    50: '#62477d',
    500: '#1f024a',
    950: '#000000',
  },
}

SCSS

$custom: #1f024a;
$custom-light: #62477d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f024a",
  "rgb": {
    "r": 31,
    "g": 2,
    "b": 74
  },
  "hsl": {
    "h": 264.167,
    "s": 94.737,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21785,
    "c": 0.11731,
    "h": 292
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary

#1F024A

secondary

#5F8C1C

accent

#FF29A9

background

#F6F4F7

surface

#EBE6EE

border

#C6C2C9

text

#06000A

muted

#7A777C

Preview Lab

Preview with #1F024A

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

Preview Lab → · Contrast checker → · Palette generator →