#170939#170939

#170939 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.8% C 0.086 H 289.4°. Best body text is #FFFFFF at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#170939
RGB	rgb(23, 9, 57)
HSL	hsl(258, 73%, 13%)
HSV	hsv(258, 84%, 22%)
CMYK	cmyk(59.6%, 84.2%, 0%, 77.6%)
CIE-LAB	lab(6.08, 20.91, -28.07)
CIE-LCH	lch(6.08, 35.01, 306.69°)
OKLab	oklab(19.84% 0.0288 -0.0815)
OKLCH	oklch(19.84% 0.086 289.4)
XYZ	xyz(1.1893, 0.6729, 3.9373)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170939 #2B3909

analogous

#091339 #170939 #2F0939

triadic

#170939 #391709 #093917

tetradic

#170939 #390913 #2B3909 #09392F

square

#170939 #390913 #2B3909 #09392F

split-complementary

#170939 #392F09 #133909

monochromatic

#0B041A #0B041A #170939 #2C116E #421AA3

Accessibility & contrast

On white

18.51

#170939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170939

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170939	#FFFFFF	#000000	##FFFFFF
##170939	1.00	18.51	1.13	18.51
#FFFFFF	18.51	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#001238

Tritanopia (blue-blind)

#0B1620

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170939;
/* rgb */ color: rgb(23, 9, 57);
/* oklch */ color: oklch(19.8% 0.086 289.4);

Tailwind

colors: {
  custom: {
    50: '#584a70',
    500: '#170939',
    950: '#000000',
  },
}

SCSS

$custom: #170939;
$custom-light: #584a70;
$custom-dark: #000000;

JSON

{
  "hex": "#170939",
  "rgb": {
    "r": 23,
    "g": 9,
    "b": 57
  },
  "hsl": {
    "h": 257.5,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.19841,
    "c": 0.08645,
    "h": 289.4
  },
  "luminance": 0.00673
}

Semantic roles & 50–950 ramp

primary

#170939

secondary

#607727

accent

#EF38BA

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170939

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

Preview Lab → · Contrast checker → · Palette generator →