#1F144E#1F144E

#1F144E is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.8% C 0.101 H 285.0°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F144E
RGB	rgb(31, 20, 78)
HSL	hsl(251, 59%, 19%)
HSV	hsv(251, 74%, 31%)
CMYK	cmyk(60.3%, 74.4%, 0%, 69.4%)
CIE-LAB	lab(11.56, 23.47, -33.91)
CIE-LCH	lch(11.56, 41.24, 304.69°)
OKLab	oklab(24.77% 0.0262 -0.0975)
OKLCH	oklch(24.77% 0.101 285)
XYZ	xyz(2.1900, 1.3416, 7.3498)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F144E #434E14

analogous

#14264E #1F144E #3C144E

triadic

#1F144E #4E1F14 #144E1F

tetradic

#1F144E #4E1426 #434E14 #144E3C

square

#1F144E #4E1426 #434E14 #144E3C

split-complementary

#1F144E #4E3C14 #264E14

monochromatic

#0A0618 #0C081D #1F144E #32207F #462DAF

Accessibility & contrast

On white

16.56

#1F144E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1F144E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F144E

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F144E	#FFFFFF	#000000	##FFFFFF
##1F144E	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002050

Deuteranopia (green-blind)

#001D4D

Tritanopia (blue-blind)

#0A232F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1f144e;
/* rgb */ color: rgb(31, 20, 78);
/* oklch */ color: oklch(24.8% 0.101 285.0);

Tailwind

colors: {
  custom: {
    50: '#615280',
    500: '#1f144e',
    950: '#000000',
  },
}

SCSS

$custom: #1f144e;
$custom-light: #615280;
$custom-dark: #000000;

JSON

{
  "hex": "#1f144e",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 78
  },
  "hsl": {
    "h": 251.379,
    "s": 59.184,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24772,
    "c": 0.10093,
    "h": 285
  },
  "luminance": 0.01342
}

Semantic roles & 50–950 ramp

primary

#1F144E

secondary

#778638

accent

#E245C5

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F144E

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

Preview Lab → · Contrast checker → · Palette generator →