#170839#170839

#170839 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.7% C 0.088 H 289.9°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#170839
RGB	rgb(23, 8, 57)
HSL	hsl(258, 75%, 13%)
HSV	hsv(258, 86%, 22%)
CMYK	cmyk(59.6%, 86%, 0%, 77.6%)
CIE-LAB	lab(5.88, 21.41, -28.39)
CIE-LCH	lch(5.88, 35.56, 307.02°)
OKLab	oklab(19.67% 0.0299 -0.0826)
OKLCH	oklch(19.67% 0.088 289.9)
XYZ	xyz(1.1785, 0.6512, 3.9337)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170839 #2A3908

analogous

#081239 #170839 #2F0839

triadic

#170839 #391708 #083917

tetradic

#170839 #390812 #2A3908 #08392F

square

#170839 #390812 #2A3908 #08392F

split-complementary

#170839 #392F08 #123908

monochromatic

#0B041B #0B041B #170839 #2D106F #4217A4

Accessibility & contrast

On white

18.58

#170839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170839

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170839	#FFFFFF	#000000	##FFFFFF
##170839	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#001238

Tritanopia (blue-blind)

#0B1520

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170839;
/* rgb */ color: rgb(23, 8, 57);
/* oklch */ color: oklch(19.7% 0.088 289.9);

Tailwind

colors: {
  custom: {
    50: '#584970',
    500: '#170839',
    950: '#000000',
  },
}

SCSS

$custom: #170839;
$custom-light: #584970;
$custom-dark: #000000;

JSON

{
  "hex": "#170839",
  "rgb": {
    "r": 23,
    "g": 8,
    "b": 57
  },
  "hsl": {
    "h": 258.367,
    "s": 75.385,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19673,
    "c": 0.08789,
    "h": 289.9
  },
  "luminance": 0.00651
}

Semantic roles & 50–950 ramp

primary

#170839

secondary

#5E7825

accent

#F236B8

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170839

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

Preview Lab → · Contrast checker → · Palette generator →