#1F1044#1F1044

#1F1044 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.1% C 0.092 H 290.6°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F1044
RGB	rgb(31, 16, 68)
HSL	hsl(257, 62%, 16%)
HSV	hsv(257, 76%, 27%)
CMYK	cmyk(54.4%, 76.5%, 0%, 73.3%)
CIE-LAB	lab(9.63, 22.62, -30.10)
CIE-LCH	lch(9.63, 37.65, 306.93°)
OKLab	oklab(23.09% 0.0324 -0.0863)
OKLCH	oklch(23.09% 0.092 290.6)
XYZ	xyz(1.7935, 1.0792, 5.5815)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1044 #354410

analogous

#101B44 #1F1044 #391044

triadic

#1F1044 #441F10 #10441F

tetradic

#1F1044 #44101B #354410 #104439

square

#1F1044 #44101B #354410 #104439

split-complementary

#1F1044 #443910 #1B4410

monochromatic

#0B0619 #0B0619 #1F1044 #361C76 #4C27A7

Accessibility & contrast

On white

17.27

#1F1044 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#1F1044 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1044

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1044	#FFFFFF	#000000	##FFFFFF
##1F1044	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C46

Deuteranopia (green-blind)

#001A43

Tritanopia (blue-blind)

#131D28

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1f1044;
/* rgb */ color: rgb(31, 16, 68);
/* oklch */ color: oklch(23.1% 0.092 290.6);

Tailwind

colors: {
  custom: {
    50: '#5f4f78',
    500: '#1f1044',
    950: '#000000',
  },
}

SCSS

$custom: #1f1044;
$custom-light: #5f4f78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1044",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 68
  },
  "hsl": {
    "h": 257.308,
    "s": 61.905,
    "l": 16.471
  },
  "oklch": {
    "l": 0.23085,
    "c": 0.09216,
    "h": 290.6
  },
  "luminance": 0.01079
}

Semantic roles & 50–950 ramp

primary

#1F1044

secondary

#687E32

accent

#E543B6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050209

muted

#79787B

Preview Lab

Preview with #1F1044

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

Preview Lab → · Contrast checker → · Palette generator →