#170C3A#170C3A

#170C3A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.5% C 0.084 H 287.6°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#170C3A
RGB	rgb(23, 12, 58)
HSL	hsl(254, 66%, 14%)
HSV	hsv(254, 79%, 23%)
CMYK	cmyk(60.3%, 79.3%, 0%, 77.3%)
CIE-LAB	lab(6.78, 19.78, -27.66)
CIE-LCH	lch(6.78, 34.00, 305.57°)
OKLab	oklab(20.45% 0.0252 -0.0798)
OKLCH	oklch(20.45% 0.084 287.6)
XYZ	xyz(1.2483, 0.7505, 4.0813)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C3A #2F3A0C

analogous

#0C183A #170C3A #2E0C3A

triadic

#170C3A #3A170C #0C3A17

tetradic

#170C3A #3A0C18 #2F3A0C #0C3A2E

square

#170C3A #3A0C18 #2F3A0C #0C3A2E

split-complementary

#170C3A #3A2E0C #183A0C

monochromatic

#0A0519 #0A0519 #170C3A #2B166D #3F219F

Accessibility & contrast

On white

18.26

#170C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C3A

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C3A	#FFFFFF	#000000	##FFFFFF
##170C3A	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#0A1821

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170c3a;
/* rgb */ color: rgb(23, 12, 58);
/* oklch */ color: oklch(20.5% 0.084 287.6);

Tailwind

colors: {
  custom: {
    50: '#584b71',
    500: '#170c3a',
    950: '#000000',
  },
}

SCSS

$custom: #170c3a;
$custom-light: #584b71;
$custom-dark: #000000;

JSON

{
  "hex": "#170c3a",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 58
  },
  "hsl": {
    "h": 254.348,
    "s": 65.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20451,
    "c": 0.08366,
    "h": 287.6
  },
  "luminance": 0.00751
}

Semantic roles & 50–950 ramp

primary

#170C3A

secondary

#64762C

accent

#E93FC0

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170C3A

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

Preview Lab → · Contrast checker → · Palette generator →