#17022B#17022B

#17022B is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.9% C 0.081 H 303.1°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#17022B
RGB	rgb(23, 2, 43)
HSL	hsl(271, 91%, 9%)
HSV	hsv(271, 95%, 17%)
CMYK	cmyk(46.5%, 95.3%, 0%, 83.1%)
CIE-LAB	lab(3.61, 17.65, -21.63)
CIE-LCH	lch(3.61, 27.91, 309.22°)
OKLab	oklab(16.93% 0.044 -0.0677)
OKLCH	oklch(16.93% 0.081 303.1)
XYZ	xyz(0.8110, 0.4000, 2.3195)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17022B #162B02

analogous

#03022B #17022B #2B022B

triadic

#17022B #2B1702 #022B17

tetradic

#17022B #2B0302 #162B02 #022B2B

square

#17022B #2B0302 #162B02 #022B2B

split-complementary

#17022B #2B2B02 #022B03

monochromatic

#10011D #10011D #17022B #360565 #5607A0

Accessibility & contrast

On white

19.44

#17022B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#17022B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17022B

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17022B	#FFFFFF	#000000	##FFFFFF
##17022B	1.00	19.44	1.08	19.44
#FFFFFF	19.44	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#000D2A

Tritanopia (blue-blind)

#130B16

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #17022b;
/* rgb */ color: rgb(23, 2, 43);
/* oklch */ color: oklch(16.9% 0.081 303.1);

Tailwind

colors: {
  custom: {
    50: '#554764',
    500: '#17022b',
    950: '#000000',
  },
}

SCSS

$custom: #17022b;
$custom-light: #554764;
$custom-dark: #000000;

JSON

{
  "hex": "#17022b",
  "rgb": {
    "r": 23,
    "g": 2,
    "b": 43
  },
  "hsl": {
    "h": 270.732,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.16929,
    "c": 0.08075,
    "h": 303.1
  },
  "luminance": 0.004
}

Semantic roles & 50–950 ramp

primary

#17022B

secondary

#437019

accent

#FF2991

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030005

muted

#78777A

Preview Lab

Preview with #17022B

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

Preview Lab → · Contrast checker → · Palette generator →