#1F0739#1F0739

#1F0739 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.6% C 0.090 H 300.4°. Best body text is #FFFFFF at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F0739
RGB	rgb(31, 7, 57)
HSL	hsl(269, 78%, 13%)
HSV	hsv(269, 88%, 22%)
CMYK	cmyk(45.6%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(6.67, 24.23, -27.06)
CIE-LCH	lch(6.67, 36.33, 311.85°)
OKLab	oklab(20.59% 0.0456 -0.0777)
OKLCH	oklch(20.59% 0.09 300.4)
XYZ	xyz(1.3794, 0.7387, 3.9400)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0739 #213907

analogous

#070839 #1F0739 #380739

triadic

#1F0739 #391F07 #07391F

tetradic

#1F0739 #390708 #213907 #073938

square

#1F0739 #390708 #213907 #073938

split-complementary

#1F0739 #393807 #083907

monochromatic

#0F031B #0F031B #1F0739 #3D0E70 #5A14A6

Accessibility & contrast

On white

18.30

#1F0739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1F0739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0739

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0739	#FFFFFF	#000000	##FFFFFF
##1F0739	1.00	18.30	1.15	18.30
#FFFFFF	18.30	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#19141F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1f0739;
/* rgb */ color: rgb(31, 7, 57);
/* oklch */ color: oklch(20.6% 0.090 300.4);

Tailwind

colors: {
  custom: {
    50: '#5e4970',
    500: '#1f0739',
    950: '#000000',
  },
}

SCSS

$custom: #1f0739;
$custom-light: #5e4970;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0739",
  "rgb": {
    "r": 31,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 268.8,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.20587,
    "c": 0.09011,
    "h": 300.4
  },
  "luminance": 0.00739
}

Semantic roles & 50–950 ramp

primary

#1F0739

secondary

#507923

accent

#F53398

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #1F0739

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

Preview Lab → · Contrast checker → · Palette generator →