#170A3A#170A3A

#170A3A is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.1% C 0.086 H 288.5°. Best body text is #FFFFFF at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#170A3A
RGB	rgb(23, 10, 58)
HSL	hsl(256, 71%, 13%)
HSV	hsv(256, 83%, 23%)
CMYK	cmyk(60.3%, 82.8%, 0%, 77.3%)
CIE-LAB	lab(6.37, 20.84, -28.33)
CIE-LCH	lch(6.37, 35.17, 306.34°)
OKLab	oklab(20.11% 0.0274 -0.082)
OKLCH	oklch(20.11% 0.086 288.5)
XYZ	xyz(1.2254, 0.7047, 4.0736)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A3A #2D3A0A

analogous

#0A153A #170A3A #2F0A3A

triadic

#170A3A #3A170A #0A3A17

tetradic

#170A3A #3A0A15 #2D3A0A #0A3A2F

square

#170A3A #3A0A15 #2D3A0A #0A3A2F

split-complementary

#170A3A #3A2F0A #153A0A

monochromatic

#0A051A #0A051A #170A3A #2C136E #401CA2

Accessibility & contrast

On white

18.40

#170A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A3A

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A3A	#FFFFFF	#000000	##FFFFFF
##170A3A	1.00	18.40	1.14	18.40
#FFFFFF	18.40	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153B

Deuteranopia (green-blind)

#001339

Tritanopia (blue-blind)

#0A1721

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #170a3a;
/* rgb */ color: rgb(23, 10, 58);
/* oklch */ color: oklch(20.1% 0.086 288.5);

Tailwind

colors: {
  custom: {
    50: '#594a71',
    500: '#170a3a',
    950: '#000000',
  },
}

SCSS

$custom: #170a3a;
$custom-light: #594a71;
$custom-dark: #000000;

JSON

{
  "hex": "#170a3a",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 58
  },
  "hsl": {
    "h": 256.25,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20114,
    "c": 0.08648,
    "h": 288.5
  },
  "luminance": 0.00705
}

Semantic roles & 50–950 ramp

primary

#170A3A

secondary

#627728

accent

#ED3ABD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170A3A

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

Preview Lab → · Contrast checker → · Palette generator →