#1F0231#1F0231

#1F0231 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.9% C 0.090 H 308.6°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F0231
RGB	rgb(31, 2, 49)
HSL	hsl(277, 92%, 10%)
HSV	hsv(277, 96%, 19%)
CMYK	cmyk(36.7%, 95.9%, 0%, 80.8%)
CIE-LAB	lab(5.03, 23.85, -23.83)
CIE-LCH	lch(5.03, 33.72, 315.03°)
OKLab	oklab(18.92% 0.056 -0.0701)
OKLCH	oklch(18.92% 0.09 308.6)
XYZ	xyz(1.1410, 0.5565, 2.9524)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0231 #143102

analogous

#070231 #1F0231 #31022C

triadic

#1F0231 #311F02 #02311F

tetradic

#1F0231 #310702 #143102 #022C31

square

#1F0231 #310702 #143102 #022C31

split-complementary

#1F0231 #2C3102 #023107

monochromatic

#13011D #13011D #1F0231 #44046C #6907A7

Accessibility & contrast

On white

18.90

#1F0231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1F0231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0231

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0231	#FFFFFF	#000000	##FFFFFF
##1F0231	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001032

Deuteranopia (green-blind)

#001130

Tritanopia (blue-blind)

#1C0D19

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1f0231;
/* rgb */ color: rgb(31, 2, 49);
/* oklch */ color: oklch(18.9% 0.090 308.6);

Tailwind

colors: {
  custom: {
    50: '#5d4669',
    500: '#1f0231',
    950: '#000000',
  },
}

SCSS

$custom: #1f0231;
$custom-light: #5d4669;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0231",
  "rgb": {
    "r": 31,
    "g": 2,
    "b": 49
  },
  "hsl": {
    "h": 277.021,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.18915,
    "c": 0.08973,
    "h": 308.6
  },
  "luminance": 0.00556
}

Semantic roles & 50–950 ramp

primary

#1F0231

secondary

#3D7519

accent

#FF297B

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F0231

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

Preview Lab → · Contrast checker → · Palette generator →