#1F134A#1F134A

#1F134A is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.2% C 0.097 H 286.8°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#1F134A
RGB	rgb(31, 19, 74)
HSL	hsl(253, 59%, 18%)
HSV	hsv(253, 74%, 29%)
CMYK	cmyk(58.1%, 74.3%, 0%, 71%)
CIE-LAB	lab(10.93, 22.72, -32.18)
CIE-LCH	lch(10.93, 39.39, 305.23°)
OKLab	oklab(24.2% 0.0279 -0.0924)
OKLCH	oklch(24.2% 0.097 286.8)
XYZ	xyz(2.0336, 1.2514, 6.6116)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F134A #3E4A13

analogous

#13224A #1F134A #3A134A

triadic

#1F134A #4A1F13 #134A1F

tetradic

#1F134A #4A1322 #3E4A13 #134A3A

square

#1F134A #4A1322 #3E4A13 #134A3A

split-complementary

#1F134A #4A3A13 #224A13

monochromatic

#0A0618 #0B0619 #1F134A #33207B #482CAB

Accessibility & contrast

On white

16.80

#1F134A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1F134A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F134A

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F134A	#FFFFFF	#000000	##FFFFFF
##1F134A	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001C49

Tritanopia (blue-blind)

#0E212C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1f134a;
/* rgb */ color: rgb(31, 19, 74);
/* oklch */ color: oklch(24.2% 0.097 286.8);

Tailwind

colors: {
  custom: {
    50: '#60517d',
    500: '#1f134a',
    950: '#000000',
  },
}

SCSS

$custom: #1f134a;
$custom-light: #60517d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f134a",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 74
  },
  "hsl": {
    "h": 253.091,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24196,
    "c": 0.09652,
    "h": 286.8
  },
  "luminance": 0.01251
}

Semantic roles & 50–950 ramp

primary

#1F134A

secondary

#728336

accent

#E245C0

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F134A

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

Preview Lab → · Contrast checker → · Palette generator →