#17012B#17012B

#17012B is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.7% C 0.083 H 303.7°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#17012B
RGB	rgb(23, 1, 43)
HSL	hsl(271, 95%, 9%)
HSV	hsv(271, 98%, 17%)
CMYK	cmyk(46.5%, 97.7%, 0%, 83.1%)
CIE-LAB	lab(3.42, 18.05, -21.94)
CIE-LCH	lch(3.42, 28.40, 309.44°)
OKLab	oklab(16.7% 0.0461 -0.0693)
OKLCH	oklch(16.7% 0.083 303.7)
XYZ	xyz(0.8001, 0.3783, 2.3159)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17012B #152B01

analogous

#02012B #17012B #2B012A

triadic

#17012B #2B1701 #012B17

tetradic

#17012B #2B0201 #152B01 #012A2B

square

#17012B #2B0201 #152B01 #012A2B

split-complementary

#17012B #2A2B01 #012B02

monochromatic

#10011E #10011E #17012B #370267 #5704A3

Accessibility & contrast

On white

19.52

#17012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#17012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17012B

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17012B	#FFFFFF	#000000	##FFFFFF
##17012B	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2C

Deuteranopia (green-blind)

#000C2A

Tritanopia (blue-blind)

#130A15

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #17012b;
/* rgb */ color: rgb(23, 1, 43);
/* oklch */ color: oklch(16.7% 0.083 303.7);

Tailwind

colors: {
  custom: {
    50: '#544664',
    500: '#17012b',
    950: '#000000',
  },
}

SCSS

$custom: #17012b;
$custom-light: #544664;
$custom-dark: #000000;

JSON

{
  "hex": "#17012b",
  "rgb": {
    "r": 23,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 271.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.16696,
    "c": 0.08323,
    "h": 303.7
  },
  "luminance": 0.00378
}

Semantic roles & 50–950 ramp

primary

#17012B

secondary

#427117

accent

#FF298F

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#030005

muted

#78777A

Preview Lab

Preview with #17012B

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

Preview Lab → · Contrast checker → · Palette generator →