#1F144F#1F144F

#1F144F is a very dark, moderate violet. Relative luminance 0.014; OKLCH L 24.9% C 0.102 H 284.7°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F144F
RGB	rgb(31, 20, 79)
HSL	hsl(251, 60%, 19%)
HSV	hsv(251, 75%, 31%)
CMYK	cmyk(60.8%, 74.7%, 0%, 69%)
CIE-LAB	lab(11.66, 23.82, -34.44)
CIE-LCH	lch(11.66, 41.88, 304.68°)
OKLab	oklab(24.87% 0.026 -0.099)
OKLCH	oklch(24.87% 0.102 284.7)
XYZ	xyz(2.2261, 1.3560, 7.5401)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F144F #444F14

analogous

#14274F #1F144F #3D144F

triadic

#1F144F #4F1F14 #144F1F

tetradic

#1F144F #4F1427 #444F14 #144F3D

square

#1F144F #4F1427 #444F14 #144F3D

split-complementary

#1F144F #4F3D14 #274F14

monochromatic

#0A0618 #0C081E #1F144F #322080 #452DB1

Accessibility & contrast

On white

16.52

#1F144F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1F144F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F144F

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F144F	#FFFFFF	#000000	##FFFFFF
##1F144F	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002151

Deuteranopia (green-blind)

#001D4E

Tritanopia (blue-blind)

#09232F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1f144f;
/* rgb */ color: rgb(31, 20, 79);
/* oklch */ color: oklch(24.9% 0.102 284.7);

Tailwind

colors: {
  custom: {
    50: '#615281',
    500: '#1f144f',
    950: '#000000',
  },
}

SCSS

$custom: #1f144f;
$custom-light: #615281;
$custom-dark: #000000;

JSON

{
  "hex": "#1f144f",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 79
  },
  "hsl": {
    "h": 251.186,
    "s": 59.596,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24873,
    "c": 0.10237,
    "h": 284.7
  },
  "luminance": 0.01356
}

Semantic roles & 50–950 ramp

primary

#1F144F

secondary

#788738

accent

#E345C5

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05020A

muted

#7A787C

Preview Lab

Preview with #1F144F

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

Preview Lab → · Contrast checker → · Palette generator →