#1F124A#1F124A

#1F124A is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.0% C 0.098 H 287.2°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#1F124A
RGB	rgb(31, 18, 74)
HSL	hsl(254, 61%, 18%)
HSV	hsv(254, 76%, 29%)
CMYK	cmyk(58.1%, 75.7%, 0%, 71%)
CIE-LAB	lab(10.69, 23.38, -32.57)
CIE-LCH	lch(10.69, 40.09, 305.67°)
OKLab	oklab(24.02% 0.029 -0.0935)
OKLCH	oklch(24.02% 0.098 287.2)
XYZ	xyz(2.0170, 1.2182, 6.6061)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F124A #3D4A12

analogous

#12214A #1F124A #3B124A

triadic

#1F124A #4A1F12 #124A1F

tetradic

#1F124A #4A1221 #3D4A12 #124A3B

square

#1F124A #4A1221 #3D4A12 #124A3B

split-complementary

#1F124A #4A3B12 #214A12

monochromatic

#0A0619 #0A0619 #1F124A #341E7B #482AAC

Accessibility & contrast

On white

16.89

#1F124A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#1F124A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F124A

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F124A	#FFFFFF	#000000	##FFFFFF
##1F124A	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4C

Deuteranopia (green-blind)

#001B49

Tritanopia (blue-blind)

#0E202C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1f124a;
/* rgb */ color: rgb(31, 18, 74);
/* oklch */ color: oklch(24.0% 0.098 287.2);

Tailwind

colors: {
  custom: {
    50: '#60517d',
    500: '#1f124a',
    950: '#000000',
  },
}

SCSS

$custom: #1f124a;
$custom-light: #60517d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f124a",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 74
  },
  "hsl": {
    "h": 253.929,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24024,
    "c": 0.09794,
    "h": 287.2
  },
  "luminance": 0.01218
}

Semantic roles & 50–950 ramp

primary

#1F124A

secondary

#718335

accent

#E444BF

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F124A

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

Preview Lab → · Contrast checker → · Palette generator →