#170B2D#170B2D

#170B2D is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.065 H 295.8°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#170B2D
RGB	rgb(23, 11, 45)
HSL	hsl(261, 61%, 11%)
HSV	hsv(261, 76%, 18%)
CMYK	cmyk(48.9%, 75.6%, 0%, 82.4%)
CIE-LAB	lab(5.52, 14.82, -20.12)
CIE-LCH	lch(5.52, 24.99, 306.38°)
OKLab	oklab(18.97% 0.0284 -0.0588)
OKLCH	oklch(18.97% 0.065 295.8)
XYZ	xyz(0.9466, 0.6109, 2.5502)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B2D #212D0B

analogous

#0B102D #170B2D #280B2D

triadic

#170B2D #2D170B #0B2D17

tetradic

#170B2D #2D0B10 #212D0B #0B2D28

square

#170B2D #2D0B10 #212D0B #0B2D28

split-complementary

#170B2D #2D280B #102D0B

monochromatic

#0D0619 #0D0619 #170B2D #30175E #49238F

Accessibility & contrast

On white

18.71

#170B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B2D

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B2D	#FFFFFF	#000000	##FFFFFF
##170B2D	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122E

Deuteranopia (green-blind)

#00122C

Tritanopia (blue-blind)

#11131A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170b2d;
/* rgb */ color: rgb(23, 11, 45);
/* oklch */ color: oklch(19.0% 0.065 295.8);

Tailwind

colors: {
  custom: {
    50: '#554b66',
    500: '#170b2d',
    950: '#000000',
  },
}

SCSS

$custom: #170b2d;
$custom-light: #554b66;
$custom-dark: #000000;

JSON

{
  "hex": "#170b2d",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 45
  },
  "hsl": {
    "h": 261.176,
    "s": 60.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18973,
    "c": 0.06536,
    "h": 295.8
  },
  "luminance": 0.00611
}

Semantic roles & 50–950 ramp

primary

#170B2D

secondary

#53692A

accent

#E444AB

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170B2D

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

Preview Lab → · Contrast checker → · Palette generator →