#1F0738#1F0738

#1F0738 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.089 H 301.1°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F0738
RGB	rgb(31, 7, 56)
HSL	hsl(269, 78%, 12%)
HSV	hsv(269, 88%, 22%)
CMYK	cmyk(44.6%, 87.5%, 0%, 78%)
CIE-LAB	lab(6.58, 23.89, -26.48)
CIE-LCH	lch(6.58, 35.66, 312.05°)
OKLab	oklab(20.49% 0.0459 -0.0761)
OKLCH	oklch(20.49% 0.089 301.1)
XYZ	xyz(1.3547, 0.7288, 3.8099)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0738 #203807

analogous

#070738 #1F0738 #380738

triadic

#1F0738 #381F07 #07381F

tetradic

#1F0738 #380707 #203807 #073838

square

#1F0738 #380707 #203807 #073838

split-complementary

#1F0738 #383807 #073807

monochromatic

#0F031B #0F031B #1F0738 #3D0E6E #5B15A5

Accessibility & contrast

On white

18.33

#1F0738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1F0738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0738

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0738	#FFFFFF	#000000	##FFFFFF
##1F0738	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001439

Deuteranopia (green-blind)

#001437

Tritanopia (blue-blind)

#19131F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1f0738;
/* rgb */ color: rgb(31, 7, 56);
/* oklch */ color: oklch(20.5% 0.089 301.1);

Tailwind

colors: {
  custom: {
    50: '#5e496f',
    500: '#1f0738',
    950: '#000000',
  },
}

SCSS

$custom: #1f0738;
$custom-light: #5e496f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0738",
  "rgb": {
    "r": 31,
    "g": 7,
    "b": 56
  },
  "hsl": {
    "h": 269.388,
    "s": 77.778,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20485,
    "c": 0.08885,
    "h": 301.1
  },
  "luminance": 0.00729
}

Semantic roles & 50–950 ramp

primary

#1F0738

secondary

#4E7823

accent

#F43496

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1F0738

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

Preview Lab → · Contrast checker → · Palette generator →