#170639#170639

#170639 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.3% C 0.091 H 290.8°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#170639
RGB	rgb(23, 6, 57)
HSL	hsl(260, 81%, 12%)
HSV	hsv(260, 89%, 22%)
CMYK	cmyk(59.6%, 89.5%, 0%, 77.6%)
CIE-LAB	lab(5.49, 22.38, -29.02)
CIE-LCH	lch(5.49, 36.65, 307.64°)
OKLab	oklab(19.33% 0.0322 -0.085)
OKLCH	oklch(19.33% 0.091 290.8)
XYZ	xyz(1.1568, 0.6078, 3.9265)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170639 #283906

analogous

#060F39 #170639 #310639

triadic

#170639 #391706 #063917

tetradic

#170639 #39060F #283906 #063931

square

#170639 #39060F #283906 #063931

split-complementary

#170639 #393106 #0F3906

monochromatic

#0B031C #0B031C #170639 #2D0C70 #4412A8

Accessibility & contrast

On white

18.72

#170639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170639

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170639	#FFFFFF	#000000	##FFFFFF
##170639	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#001138

Tritanopia (blue-blind)

#0B141F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170639;
/* rgb */ color: rgb(23, 6, 57);
/* oklch */ color: oklch(19.3% 0.091 290.8);

Tailwind

colors: {
  custom: {
    50: '#584870',
    500: '#170639',
    950: '#000000',
  },
}

SCSS

$custom: #170639;
$custom-light: #584870;
$custom-dark: #000000;

JSON

{
  "hex": "#170639",
  "rgb": {
    "r": 23,
    "g": 6,
    "b": 57
  },
  "hsl": {
    "h": 260,
    "s": 80.952,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19328,
    "c": 0.09091,
    "h": 290.8
  },
  "luminance": 0.00608
}

Semantic roles & 50–950 ramp

primary

#170639

secondary

#5C7922

accent

#F730B5

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #170639

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

Preview Lab → · Contrast checker → · Palette generator →