#1F072F#1F072F

#1F072F is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.6% C 0.077 H 308.4°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F072F
RGB	rgb(31, 7, 47)
HSL	hsl(276, 74%, 11%)
HSV	hsv(276, 85%, 18%)
CMYK	cmyk(34%, 85.1%, 0%, 81.6%)
CIE-LAB	lab(5.86, 20.70, -21.02)
CIE-LCH	lch(5.86, 29.50, 314.57°)
OKLab	oklab(19.61% 0.0481 -0.0607)
OKLCH	oklch(19.61% 0.077 308.4)
XYZ	xyz(1.1540, 0.6485, 2.7532)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F072F #172F07

analogous

#0B072F #1F072F #2F072B

triadic

#1F072F #2F1F07 #072F1F

tetradic

#1F072F #2F0B07 #172F07 #072B2F

square

#1F072F #2F0B07 #172F07 #072B2F

split-complementary

#1F072F #2B2F07 #072F0B

monochromatic

#12041B #12041B #1F072F #420F64 #65179A

Accessibility & contrast

On white

18.59

#1F072F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1F072F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F072F

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F072F	#FFFFFF	#000000	##FFFFFF
##1F072F	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001230

Deuteranopia (green-blind)

#01132E

Tritanopia (blue-blind)

#1D101A

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1f072f;
/* rgb */ color: rgb(31, 7, 47);
/* oklch */ color: oklch(19.6% 0.077 308.4);

Tailwind

colors: {
  custom: {
    50: '#5c4968',
    500: '#1f072f',
    950: '#000000',
  },
}

SCSS

$custom: #1f072f;
$custom-light: #5c4968;
$custom-dark: #000000;

JSON

{
  "hex": "#1f072f",
  "rgb": {
    "r": 31,
    "g": 7,
    "b": 47
  },
  "hsl": {
    "h": 276,
    "s": 74.074,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1961,
    "c": 0.07742,
    "h": 308.4
  },
  "luminance": 0.00649
}

Semantic roles & 50–950 ramp

primary

#1F072F

secondary

#416F23

accent

#F13781

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #1F072F

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

Preview Lab → · Contrast checker → · Palette generator →