#170739#170739

#170739 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.5% C 0.089 H 290.3°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#170739
RGB	rgb(23, 7, 57)
HSL	hsl(259, 78%, 13%)
HSV	hsv(259, 88%, 22%)
CMYK	cmyk(59.6%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(5.69, 21.89, -28.71)
CIE-LCH	lch(5.69, 36.10, 307.33°)
OKLab	oklab(19.5% 0.0311 -0.0838)
OKLCH	oklch(19.5% 0.089 290.3)
XYZ	xyz(1.1676, 0.6295, 3.9301)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170739 #293907

analogous

#071039 #170739 #300739

triadic

#170739 #391707 #073917

tetradic

#170739 #390710 #293907 #073930

square

#170739 #390710 #293907 #073930

split-complementary

#170739 #393007 #103907

monochromatic

#0B031B #0B031B #170739 #2D0E70 #4314A6

Accessibility & contrast

On white

18.65

#170739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170739

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170739	#FFFFFF	#000000	##FFFFFF
##170739	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#001138

Tritanopia (blue-blind)

#0B151F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170739;
/* rgb */ color: rgb(23, 7, 57);
/* oklch */ color: oklch(19.5% 0.089 290.3);

Tailwind

colors: {
  custom: {
    50: '#584970',
    500: '#170739',
    950: '#000000',
  },
}

SCSS

$custom: #170739;
$custom-light: #584970;
$custom-dark: #000000;

JSON

{
  "hex": "#170739",
  "rgb": {
    "r": 23,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 259.2,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.19502,
    "c": 0.08938,
    "h": 290.3
  },
  "luminance": 0.0063
}

Semantic roles & 50–950 ramp

primary

#170739

secondary

#5D7923

accent

#F533B7

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170739

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

Preview Lab → · Contrast checker → · Palette generator →