#170B2F#170B2F

#170B2F is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.068 H 294.4°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#170B2F
RGB	rgb(23, 11, 47)
HSL	hsl(260, 62%, 11%)
HSV	hsv(260, 77%, 18%)
CMYK	cmyk(51.1%, 76.6%, 0%, 81.6%)
CIE-LAB	lab(5.66, 15.68, -21.39)
CIE-LCH	lch(5.66, 26.52, 306.25°)
OKLab	oklab(19.16% 0.0283 -0.0624)
OKLCH	oklch(19.16% 0.068 294.4)
XYZ	xyz(0.9860, 0.6267, 2.7578)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B2F #232F0B

analogous

#0B112F #170B2F #290B2F

triadic

#170B2F #2F170B #0B2F17

tetradic

#170B2F #2F0B11 #232F0B #0B2F29

square

#170B2F #2F0B11 #232F0B #0B2F29

split-complementary

#170B2F #2F290B #112F0B

monochromatic

#0C0619 #0C0619 #170B2F #2F1761 #482292

Accessibility & contrast

On white

18.66

#170B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B2F

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B2F	#FFFFFF	#000000	##FFFFFF
##170B2F	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001330

Deuteranopia (green-blind)

#00122E

Tritanopia (blue-blind)

#11131B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170b2f;
/* rgb */ color: rgb(23, 11, 47);
/* oklch */ color: oklch(19.2% 0.068 294.4);

Tailwind

colors: {
  custom: {
    50: '#564b68',
    500: '#170b2f',
    950: '#000000',
  },
}

SCSS

$custom: #170b2f;
$custom-light: #564b68;
$custom-dark: #000000;

JSON

{
  "hex": "#170b2f",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 47
  },
  "hsl": {
    "h": 260,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.19162,
    "c": 0.06848,
    "h": 294.4
  },
  "luminance": 0.00627
}

Semantic roles & 50–950 ramp

primary

#170B2F

secondary

#566B2A

accent

#E543AF

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170B2F

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

Preview Lab → · Contrast checker → · Palette generator →