#170C2B#170C2B

#170C2B is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.060 H 296.6°. Best body text is #FFFFFF at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#170C2B
RGB	rgb(23, 12, 43)
HSL	hsl(261, 56%, 11%)
HSV	hsv(261, 72%, 17%)
CMYK	cmyk(46.5%, 72.1%, 0%, 83.1%)
CIE-LAB	lab(5.60, 13.50, -18.50)
CIE-LCH	lch(5.60, 22.90, 306.13°)
OKLab	oklab(18.99% 0.027 -0.054)
OKLCH	oklch(18.99% 0.06 296.6)
XYZ	xyz(0.9208, 0.6195, 2.3561)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C2B #202B0C

analogous

#0C102B #170C2B #260C2B

triadic

#170C2B #2B170C #0C2B17

tetradic

#170C2B #2B0C10 #202B0C #0C2B26

square

#170C2B #2B0C10 #202B0C #0C2B26

split-complementary

#170C2B #2B260C #102B0C

monochromatic

#0D0718 #0D0718 #170C2B #31195B #4A278B

Accessibility & contrast

On white

18.68

#170C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C2B

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C2B	#FFFFFF	#000000	##FFFFFF
##170C2B	1.00	18.68	1.12	18.68
#FFFFFF	18.68	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01122C

Deuteranopia (green-blind)

#03122A

Tritanopia (blue-blind)

#121319

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170c2b;
/* rgb */ color: rgb(23, 12, 43);
/* oklch */ color: oklch(19.0% 0.060 296.6);

Tailwind

colors: {
  custom: {
    50: '#554c64',
    500: '#170c2b',
    950: '#000000',
  },
}

SCSS

$custom: #170c2b;
$custom-light: #554c64;
$custom-dark: #000000;

JSON

{
  "hex": "#170c2b",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 43
  },
  "hsl": {
    "h": 261.29,
    "s": 56.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.1899,
    "c": 0.06035,
    "h": 296.6
  },
  "luminance": 0.0062
}

Semantic roles & 50–950 ramp

primary

#170C2B

secondary

#52662C

accent

#E048AA

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030105

muted

#78777A

Preview Lab

Preview with #170C2B

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

Preview Lab → · Contrast checker → · Palette generator →