#170339#170339

#170339 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.8% C 0.096 H 292.1°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#170339
RGB	rgb(23, 3, 57)
HSL	hsl(262, 90%, 12%)
HSV	hsv(262, 95%, 22%)
CMYK	cmyk(59.6%, 94.7%, 0%, 77.6%)
CIE-LAB	lab(4.90, 23.83, -29.98)
CIE-LCH	lch(4.90, 38.30, 308.48°)
OKLab	oklab(18.79% 0.036 -0.0887)
OKLCH	oklch(18.79% 0.096 292.1)
XYZ	xyz(1.1242, 0.5426, 3.9156)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170339 #253903

analogous

#030A39 #170339 #320339

triadic

#170339 #391703 #033917

tetradic

#170339 #39030A #253903 #033932

square

#170339 #39030A #253903 #033932

split-complementary

#170339 #393203 #0A3903

monochromatic

#0C021D #0C021D #170339 #2E0673 #4609AD

Accessibility & contrast

On white

18.94

#170339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#170339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170339

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170339	#FFFFFF	#000000	##FFFFFF
##170339	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#000F38

Tritanopia (blue-blind)

#0B121E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #170339;
/* rgb */ color: rgb(23, 3, 57);
/* oklch */ color: oklch(18.8% 0.096 292.1);

Tailwind

colors: {
  custom: {
    50: '#584770',
    500: '#170339',
    950: '#000000',
  },
}

SCSS

$custom: #170339;
$custom-light: #584770;
$custom-dark: #000000;

JSON

{
  "hex": "#170339",
  "rgb": {
    "r": 23,
    "g": 3,
    "b": 57
  },
  "hsl": {
    "h": 262.222,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.18786,
    "c": 0.09573,
    "h": 292.1
  },
  "luminance": 0.00543
}

Semantic roles & 50–950 ramp

primary

#170339

secondary

#587C1C

accent

#FF29B0

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #170339

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

Preview Lab → · Contrast checker → · Palette generator →