#1F053A#1F053A

#1F053A is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.4% C 0.095 H 300.5°. Best body text is #FFFFFF at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F053A
RGB	rgb(31, 5, 58)
HSL	hsl(269, 84%, 12%)
HSV	hsv(269, 91%, 23%)
CMYK	cmyk(46.6%, 91.4%, 0%, 77.3%)
CIE-LAB	lab(6.37, 25.64, -28.28)
CIE-LCH	lch(6.37, 38.17, 312.20°)
OKLab	oklab(20.38% 0.0479 -0.0815)
OKLCH	oklch(20.38% 0.095 300.5)
XYZ	xyz(1.3829, 0.7053, 4.0655)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F053A #203A05

analogous

#05053A #1F053A #3A053A

triadic

#1F053A #3A1F05 #053A1F

tetradic

#1F053A #3A0505 #203A05 #053A3A

square

#1F053A #3A0505 #203A05 #053A3A

split-complementary

#1F053A #3A3A05 #053A05

monochromatic

#0F021C #0F021C #1F053A #3D0A72 #5B0FAB

Accessibility & contrast

On white

18.40

#1F053A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F053A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F053A

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F053A	#FFFFFF	#000000	##FFFFFF
##1F053A	1.00	18.40	1.14	18.40
#FFFFFF	18.40	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#19131F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f053a;
/* rgb */ color: rgb(31, 5, 58);
/* oklch */ color: oklch(20.4% 0.095 300.5);

Tailwind

colors: {
  custom: {
    50: '#5e4871',
    500: '#1f053a',
    950: '#000000',
  },
}

SCSS

$custom: #1f053a;
$custom-light: #5e4871;
$custom-dark: #000000;

JSON

{
  "hex": "#1f053a",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 58
  },
  "hsl": {
    "h": 269.434,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20378,
    "c": 0.09451,
    "h": 300.5
  },
  "luminance": 0.00705
}

Semantic roles & 50–950 ramp

primary

#1F053A

secondary

#4E7B20

accent

#FA2D96

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #1F053A

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

Preview Lab → · Contrast checker → · Palette generator →