#1F032B#1F032B

#1F032B is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.5% C 0.081 H 313.8°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F032B
RGB	rgb(31, 3, 43)
HSL	hsl(282, 87%, 9%)
HSV	hsv(282, 93%, 17%)
CMYK	cmyk(27.9%, 93%, 0%, 83.1%)
CIE-LAB	lab(4.80, 21.14, -19.70)
CIE-LCH	lch(4.80, 28.89, 317.02°)
OKLab	oklab(18.51% 0.0561 -0.0584)
OKLCH	oklch(18.51% 0.081 313.8)
XYZ	xyz(1.0336, 0.5309, 2.3331)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F032B #0F2B03

analogous

#0B032B #1F032B #2B0323

triadic

#1F032B #2B1F03 #032B1F

tetradic

#1F032B #2B0B03 #0F2B03 #03232B

square

#1F032B #2B0B03 #0F2B03 #03232B

split-complementary

#1F032B #232B03 #032B0B

monochromatic

#15021D #15021D #1F032B #480764 #710B9D

Accessibility & contrast

On white

18.98

#1F032B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1F032B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F032B

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F032B	#FFFFFF	#000000	##FFFFFF
##1F032B	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2C

Deuteranopia (green-blind)

#01112A

Tritanopia (blue-blind)

#1E0B16

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1f032b;
/* rgb */ color: rgb(31, 3, 43);
/* oklch */ color: oklch(18.5% 0.081 313.8);

Tailwind

colors: {
  custom: {
    50: '#5c4764',
    500: '#1f032b',
    950: '#000000',
  },
}

SCSS

$custom: #1f032b;
$custom-light: #5c4764;
$custom-dark: #000000;

JSON

{
  "hex": "#1f032b",
  "rgb": {
    "r": 31,
    "g": 3,
    "b": 43
  },
  "hsl": {
    "h": 282,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18508,
    "c": 0.08097,
    "h": 313.8
  },
  "luminance": 0.00531
}

Semantic roles & 50–950 ramp

primary

#1F032B

secondary

#346F1B

accent

#FD2B6A

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1F032B

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

Preview Lab → · Contrast checker → · Palette generator →