#170C4C#170C4C

#170C4C is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.5% C 0.109 H 280.8°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#170C4C
RGB	rgb(23, 12, 76)
HSL	hsl(250, 73%, 17%)
HSV	hsv(250, 84%, 30%)
CMYK	cmyk(69.7%, 84.2%, 0%, 70.2%)
CIE-LAB	lab(8.71, 26.48, -37.24)
CIE-LCH	lch(8.71, 45.70, 305.42°)
OKLab	oklab(22.48% 0.0205 -0.1075)
OKLCH	oklch(22.48% 0.109 280.8)
XYZ	xyz(1.7889, 0.9668, 6.9284)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C4C #414C0C

analogous

#0C214C #170C4C #370C4C

triadic

#170C4C #4C170C #0C4C17

tetradic

#170C4C #4C0C21 #414C0C #0C4C37

square

#170C4C #4C0C21 #414C0C #0C4C37

split-complementary

#170C4C #4C370C #214C0C

monochromatic

#08041A #08041A #170C4C #271481 #371DB6

Accessibility & contrast

On white

17.60

#170C4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170C4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C4C

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C4C	#FFFFFF	#000000	##FFFFFF
##170C4C	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4E

Deuteranopia (green-blind)

#00174B

Tritanopia (blue-blind)

#001F2B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170c4c;
/* rgb */ color: rgb(23, 12, 76);
/* oklch */ color: oklch(22.5% 0.109 280.8);

Tailwind

colors: {
  custom: {
    50: '#5d4c7f',
    500: '#170c4c',
    950: '#000000',
  },
}

SCSS

$custom: #170c4c;
$custom-light: #5d4c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#170c4c",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 76
  },
  "hsl": {
    "h": 250.313,
    "s": 72.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22476,
    "c": 0.1094,
    "h": 280.8
  },
  "luminance": 0.00967
}

Semantic roles & 50–950 ramp

primary

#170C4C

secondary

#78882C

accent

#EF38D0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170C4C

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

Preview Lab → · Contrast checker → · Palette generator →