#1F092A#1F092A

#1F092A is a very dark, moderate purple. Relative luminance 0.007; OKLCH L 19.5% C 0.067 H 312.6°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F092A
RGB	rgb(31, 9, 42)
HSL	hsl(280, 65%, 10%)
HSV	hsv(280, 79%, 16%)
CMYK	cmyk(26.2%, 78.6%, 0%, 83.5%)
CIE-LAB	lab(5.91, 18.00, -17.19)
CIE-LCH	lch(5.91, 24.89, 316.33°)
OKLab	oklab(19.52% 0.0454 -0.0494)
OKLCH	oklch(19.52% 0.067 312.6)
XYZ	xyz(1.0806, 0.6539, 2.2593)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F092A #142A09

analogous

#0E092A #1F092A #2A0925

triadic

#1F092A #2A1F09 #092A1F

tetradic

#1F092A #2A0E09 #142A09 #09252A

square

#1F092A #2A0E09 #142A09 #09252A

split-complementary

#1F092A #252A09 #092A0E

monochromatic

#130519 #130519 #1F092A #44145C #691F8F

Accessibility & contrast

On white

18.57

#1F092A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1F092A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F092A

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F092A	#FFFFFF	#000000	##FFFFFF
##1F092A	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01122B

Deuteranopia (green-blind)

#071429

Tritanopia (blue-blind)

#1E0F18

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1f092a;
/* rgb */ color: rgb(31, 9, 42);
/* oklch */ color: oklch(19.5% 0.067 312.6);

Tailwind

colors: {
  custom: {
    50: '#5c4a63',
    500: '#1f092a',
    950: '#000000',
  },
}

SCSS

$custom: #1f092a;
$custom-light: #5c4a63;
$custom-dark: #000000;

JSON

{
  "hex": "#1f092a",
  "rgb": {
    "r": 31,
    "g": 9,
    "b": 42
  },
  "hsl": {
    "h": 280,
    "s": 64.706,
    "l": 10
  },
  "oklch": {
    "l": 0.19518,
    "c": 0.06709,
    "h": 312.6
  },
  "luminance": 0.00654
}

Semantic roles & 50–950 ramp

primary

#1F092A

secondary

#3D6827

accent

#E84078

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#040105

muted

#797779

Preview Lab

Preview with #1F092A

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

Preview Lab → · Contrast checker → · Palette generator →