#170C38#170C38

#170C38 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.2% C 0.081 H 288.5°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#170C38
RGB	rgb(23, 12, 56)
HSL	hsl(255, 65%, 13%)
HSV	hsv(255, 79%, 22%)
CMYK	cmyk(58.9%, 78.6%, 0%, 78%)
CIE-LAB	lab(6.60, 18.96, -26.50)
CIE-LCH	lch(6.60, 32.59, 305.59°)
OKLab	oklab(20.24% 0.0256 -0.0765)
OKLCH	oklch(20.24% 0.081 288.5)
XYZ	xyz(1.1984, 0.7306, 3.8185)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C38 #2D380C

analogous

#0C1738 #170C38 #2D0C38

triadic

#170C38 #38170C #0C3817

tetradic

#170C38 #380C17 #2D380C #0C382D

square

#170C38 #380C17 #2D380C #0C382D

split-complementary

#170C38 #382D0C #17380C

monochromatic

#0A0519 #0A0519 #170C38 #2C176A #40229D

Accessibility & contrast

On white

18.32

#170C38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170C38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C38

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C38	#FFFFFF	#000000	##FFFFFF
##170C38	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001639

Deuteranopia (green-blind)

#001337

Tritanopia (blue-blind)

#0B1720

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170c38;
/* rgb */ color: rgb(23, 12, 56);
/* oklch */ color: oklch(20.2% 0.081 288.5);

Tailwind

colors: {
  custom: {
    50: '#584b6f',
    500: '#170c38',
    950: '#000000',
  },
}

SCSS

$custom: #170c38;
$custom-light: #584b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#170c38",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 56
  },
  "hsl": {
    "h": 255,
    "s": 64.706,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20243,
    "c": 0.08066,
    "h": 288.5
  },
  "luminance": 0.00731
}

Semantic roles & 50–950 ramp

primary

#170C38

secondary

#62742C

accent

#E840BE

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170C38

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

Preview Lab → · Contrast checker → · Palette generator →