#170C4D#170C4D

#170C4D is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.111 H 280.5°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#170C4D
RGB	rgb(23, 12, 77)
HSL	hsl(250, 73%, 17%)
HSV	hsv(250, 84%, 30%)
CMYK	cmyk(70.1%, 84.4%, 0%, 69.8%)
CIE-LAB	lab(8.83, 26.84, -37.74)
CIE-LCH	lch(8.83, 46.31, 305.42°)
OKLab	oklab(22.59% 0.0202 -0.1089)
OKLCH	oklch(22.59% 0.111 280.5)
XYZ	xyz(1.8240, 0.9808, 7.1129)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C4D #424D0C

analogous

#0C214D #170C4D #380C4D

triadic

#170C4D #4D170C #0C4D17

tetradic

#170C4D #4D0C21 #424D0C #0C4D38

square

#170C4D #4D0C21 #424D0C #0C4D38

split-complementary

#170C4D #4D380C #214D0C

monochromatic

#08041A #08041A #170C4D #271482 #371DB7

Accessibility & contrast

On white

17.56

#170C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#170C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C4D

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C4D	#FFFFFF	#000000	##FFFFFF
##170C4D	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4F

Deuteranopia (green-blind)

#00174C

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170c4d;
/* rgb */ color: rgb(23, 12, 77);
/* oklch */ color: oklch(22.6% 0.111 280.5);

Tailwind

colors: {
  custom: {
    50: '#5d4c80',
    500: '#170c4d',
    950: '#000000',
  },
}

SCSS

$custom: #170c4d;
$custom-light: #5d4c80;
$custom-dark: #000000;

JSON

{
  "hex": "#170c4d",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 77
  },
  "hsl": {
    "h": 250.154,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22594,
    "c": 0.11077,
    "h": 280.5
  },
  "luminance": 0.00981
}

Semantic roles & 50–950 ramp

primary

#170C4D

secondary

#79892C

accent

#F038D1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170C4D

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

Preview Lab → · Contrast checker → · Palette generator →