#170637#170637

#170637 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.1% C 0.088 H 291.9°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#170637
RGB	rgb(23, 6, 55)
HSL	hsl(261, 80%, 12%)
HSV	hsv(261, 89%, 22%)
CMYK	cmyk(58.2%, 89.1%, 0%, 78.4%)
CIE-LAB	lab(5.31, 21.50, -27.85)
CIE-LCH	lch(5.31, 35.18, 307.67°)
OKLab	oklab(19.1% 0.033 -0.0818)
OKLCH	oklch(19.1% 0.088 291.9)
XYZ	xyz(1.1079, 0.5882, 3.6688)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170637 #263706

analogous

#060E37 #170637 #300637

triadic

#170637 #371706 #063717

tetradic

#170637 #37060E #263706 #063730

square

#170637 #37060E #263706 #063730

split-complementary

#170637 #373006 #0E3706

monochromatic

#0C031C #0C031C #170637 #2E0C6E #4512A5

Accessibility & contrast

On white

18.79

#170637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170637

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170637	#FFFFFF	#000000	##FFFFFF
##170637	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001238

Deuteranopia (green-blind)

#001136

Tritanopia (blue-blind)

#0C131E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170637;
/* rgb */ color: rgb(23, 6, 55);
/* oklch */ color: oklch(19.1% 0.088 291.9);

Tailwind

colors: {
  custom: {
    50: '#58486e',
    500: '#170637',
    950: '#000000',
  },
}

SCSS

$custom: #170637;
$custom-light: #58486e;
$custom-dark: #000000;

JSON

{
  "hex": "#170637",
  "rgb": {
    "r": 23,
    "g": 6,
    "b": 55
  },
  "hsl": {
    "h": 260.816,
    "s": 80.328,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19098,
    "c": 0.08821,
    "h": 291.9
  },
  "luminance": 0.00588
}

Semantic roles & 50–950 ramp

primary

#170637

secondary

#5A7721

accent

#F731B2

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030007

muted

#78777A

Preview Lab

Preview with #170637

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

Preview Lab → · Contrast checker → · Palette generator →