#1F112E#1F112E

#1F112E is a very dark, muted violet. Relative luminance 0.009; OKLCH L 21.3% C 0.057 H 304.3°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F112E
RGB	rgb(31, 17, 46)
HSL	hsl(269, 46%, 12%)
HSV	hsv(269, 63%, 18%)
CMYK	cmyk(32.6%, 63%, 0%, 82%)
CIE-LAB	lab(8.03, 14.69, -16.81)
CIE-LCH	lch(8.03, 22.32, 311.16°)
OKLab	oklab(21.33% 0.0322 -0.0472)
OKLCH	oklch(21.33% 0.057 304.3)
XYZ	xyz(1.2586, 0.8895, 2.6896)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F112E #202E11

analogous

#11112E #1F112E #2E112E

triadic

#1F112E #2E1F11 #112E1F

tetradic

#1F112E #2E1111 #202E11 #112E2E

square

#1F112E #2E1111 #202E11 #112E2E

split-complementary

#1F112E #2E2E11 #112E11

monochromatic

#0F0816 #0F0816 #1F112E #3D225B #5B3287

Accessibility & contrast

On white

17.83

#1F112E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#1F112E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F112E

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F112E	#FFFFFF	#000000	##FFFFFF
##1F112E	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08172F

Deuteranopia (green-blind)

#0C182D

Tritanopia (blue-blind)

#1C161D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1f112e;
/* rgb */ color: rgb(31, 17, 46);
/* oklch */ color: oklch(21.3% 0.057 304.3);

Tailwind

colors: {
  custom: {
    50: '#5c4f67',
    500: '#1f112e',
    950: '#000000',
  },
}

SCSS

$custom: #1f112e;
$custom-light: #5c4f67;
$custom-dark: #000000;

JSON

{
  "hex": "#1f112e",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 46
  },
  "hsl": {
    "h": 268.966,
    "s": 46.032,
    "l": 12.353
  },
  "oklch": {
    "l": 0.21331,
    "c": 0.05718,
    "h": 304.3
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#1F112E

secondary

#4E6634

accent

#D65296

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040206

muted

#79787A

Preview Lab

Preview with #1F112E

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

Preview Lab → · Contrast checker → · Palette generator →