#17042B#17042B

#17042B is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.4% C 0.076 H 301.8°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#17042B
RGB	rgb(23, 4, 43)
HSL	hsl(269, 83%, 9%)
HSV	hsv(269, 91%, 17%)
CMYK	cmyk(46.5%, 90.7%, 0%, 83.1%)
CIE-LAB	lab(4.01, 16.85, -21.01)
CIE-LCH	lch(4.01, 26.93, 308.73°)
OKLab	oklab(17.38% 0.0401 -0.0646)
OKLCH	oklch(17.38% 0.076 301.8)
XYZ	xyz(0.8327, 0.4434, 2.3267)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.61

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17042B #182B04

analogous

#04042B #17042B #2B042B

triadic

#17042B #2B1704 #042B17

tetradic

#17042B #2B0404 #182B04 #042B2B

square

#17042B #2B0404 #182B04 #042B2B

split-complementary

#17042B #2B2B04 #042B04

monochromatic

#0F031C #0F031C #17042B #350963 #530E9B

Accessibility & contrast

On white

19.29

#17042B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#17042B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17042B

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17042B	#FFFFFF	#000000	##FFFFFF
##17042B	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#000E2A

Tritanopia (blue-blind)

#130D16

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #17042b;
/* rgb */ color: rgb(23, 4, 43);
/* oklch */ color: oklch(17.4% 0.076 301.8);

Tailwind

colors: {
  custom: {
    50: '#554864',
    500: '#17042b',
    950: '#000000',
  },
}

SCSS

$custom: #17042b;
$custom-light: #554864;
$custom-dark: #000000;

JSON

{
  "hex": "#17042b",
  "rgb": {
    "r": 23,
    "g": 4,
    "b": 43
  },
  "hsl": {
    "h": 269.231,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.17376,
    "c": 0.07608,
    "h": 301.8
  },
  "luminance": 0.00443
}

Semantic roles & 50–950 ramp

primary

#17042B

secondary

#466E1D

accent

#F92E96

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030005

muted

#78777A

Preview Lab

Preview with #17042B

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

Preview Lab → · Contrast checker → · Palette generator →