#170640#170640

#170640 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.2% C 0.100 H 287.1°. Best body text is #FFFFFF at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#170640
RGB	rgb(23, 6, 64)
HSL	hsl(258, 83%, 14%)
HSV	hsv(258, 91%, 25%)
CMYK	cmyk(64.1%, 90.6%, 0%, 74.9%)
CIE-LAB	lab(6.17, 25.36, -32.97)
CIE-LCH	lch(6.17, 41.60, 307.56°)
OKLab	oklab(20.16% 0.0295 -0.0957)
OKLCH	oklch(20.16% 0.1 287.1)
XYZ	xyz(1.3436, 0.6825, 4.9104)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170640 #2F4006

analogous

#061240 #170640 #340640

triadic

#170640 #401706 #064017

tetradic

#170640 #400612 #2F4006 #064034

square

#170640 #400612 #2F4006 #064034

split-complementary

#170640 #403406 #124006

monochromatic

#0A031C #0A031C #170640 #2B0B78 #3F10B0

Accessibility & contrast

On white

18.48

#170640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170640

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170640	#FFFFFF	#000000	##FFFFFF
##170640	1.00	18.48	1.14	18.48
#FFFFFF	18.48	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001542

Deuteranopia (green-blind)

#00123F

Tritanopia (blue-blind)

#051723

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #170640;
/* rgb */ color: rgb(23, 6, 64);
/* oklch */ color: oklch(20.2% 0.100 287.1);

Tailwind

colors: {
  custom: {
    50: '#5a4875',
    500: '#170640',
    950: '#000000',
  },
}

SCSS

$custom: #170640;
$custom-light: #5a4875;
$custom-dark: #000000;

JSON

{
  "hex": "#170640",
  "rgb": {
    "r": 23,
    "g": 6,
    "b": 64
  },
  "hsl": {
    "h": 257.586,
    "s": 82.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20158,
    "c": 0.10019,
    "h": 287.1
  },
  "luminance": 0.00683
}

Semantic roles & 50–950 ramp

primary

#170640

secondary

#648022

accent

#F92FBE

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #170640

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

Preview Lab → · Contrast checker → · Palette generator →