#170C4A#170C4A

#170C4A is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.2% C 0.107 H 281.4°. Best body text is #FFFFFF at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#170C4A
RGB	rgb(23, 12, 74)
HSL	hsl(251, 72%, 17%)
HSV	hsv(251, 84%, 29%)
CMYK	cmyk(68.9%, 83.8%, 0%, 71%)
CIE-LAB	lab(8.48, 25.78, -36.24)
CIE-LCH	lch(8.48, 44.47, 305.43°)
OKLab	oklab(22.24% 0.0211 -0.1045)
OKLCH	oklch(22.24% 0.107 281.4)
XYZ	xyz(1.7205, 0.9394, 6.5679)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C4A #3F4A0C

analogous

#0C204A #170C4A #360C4A

triadic

#170C4A #4A170C #0C4A17

tetradic

#170C4A #4A0C20 #3F4A0C #0C4A36

square

#170C4A #4A0C20 #3F4A0C #0C4A36

split-complementary

#170C4A #4A360C #204A0C

monochromatic

#08041A #08041A #170C4A #27157F #381DB3

Accessibility & contrast

On white

17.68

#170C4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170C4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C4A

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C4A	#FFFFFF	#000000	##FFFFFF
##170C4A	1.00	17.68	1.19	17.68
#FFFFFF	17.68	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4C

Deuteranopia (green-blind)

#001649

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #170c4a;
/* rgb */ color: rgb(23, 12, 74);
/* oklch */ color: oklch(22.2% 0.107 281.4);

Tailwind

colors: {
  custom: {
    50: '#5c4c7d',
    500: '#170c4a',
    950: '#000000',
  },
}

SCSS

$custom: #170c4a;
$custom-light: #5c4c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#170c4a",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 74
  },
  "hsl": {
    "h": 250.645,
    "s": 72.093,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2224,
    "c": 0.10664,
    "h": 281.4
  },
  "luminance": 0.0094
}

Semantic roles & 50–950 ramp

primary

#170C4A

secondary

#76862C

accent

#EF39CF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170C4A

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

Preview Lab → · Contrast checker → · Palette generator →