#170F2F#170F2F

#170F2F is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.061 H 291.4°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#170F2F
RGB	rgb(23, 15, 47)
HSL	hsl(255, 52%, 12%)
HSV	hsv(255, 68%, 18%)
CMYK	cmyk(51.1%, 68.1%, 0%, 81.6%)
CIE-LAB	lab(6.58, 13.55, -19.92)
CIE-LCH	lch(6.58, 24.09, 304.23°)
OKLab	oklab(19.97% 0.0223 -0.0571)
OKLCH	oklch(19.97% 0.061 291.4)
XYZ	xyz(1.0371, 0.7290, 2.7748)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F2F #272F0F

analogous

#0F172F #170F2F #270F2F

triadic

#170F2F #2F170F #0F2F17

tetradic

#170F2F #2F0F17 #272F0F #0F2F27

square

#170F2F #2F0F17 #272F0F #0F2F27

split-complementary

#170F2F #2F270F #172F0F

monochromatic

#0B0717 #0B0717 #170F2F #2E1E5D #442D8C

Accessibility & contrast

On white

18.33

#170F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F2F

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F2F	#FFFFFF	#000000	##FFFFFF
##170F2F	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021530

Deuteranopia (green-blind)

#03142E

Tritanopia (blue-blind)

#10161D

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170f2f;
/* rgb */ color: rgb(23, 15, 47);
/* oklch */ color: oklch(20.0% 0.061 291.4);

Tailwind

colors: {
  custom: {
    50: '#564d68',
    500: '#170f2f',
    950: '#000000',
  },
}

SCSS

$custom: #170f2f;
$custom-light: #564d68;
$custom-dark: #000000;

JSON

{
  "hex": "#170f2f",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 47
  },
  "hsl": {
    "h": 255,
    "s": 51.613,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19971,
    "c": 0.06134,
    "h": 291.4
  },
  "luminance": 0.00729
}

Semantic roles & 50–950 ramp

primary

#170F2F

secondary

#5B6931

accent

#DB4DB7

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170F2F

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

Preview Lab → · Contrast checker → · Palette generator →