#170538#170538

#170538 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.091 H 291.8°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#170538
RGB	rgb(23, 5, 56)
HSL	hsl(261, 84%, 12%)
HSV	hsv(261, 91%, 22%)
CMYK	cmyk(58.9%, 91.1%, 0%, 78%)
CIE-LAB	lab(5.20, 22.42, -28.76)
CIE-LCH	lch(5.20, 36.46, 307.94°)
OKLab	oklab(19.03% 0.0338 -0.0846)
OKLCH	oklch(19.03% 0.091 291.8)
XYZ	xyz(1.1212, 0.5762, 3.7927)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170538 #263805

analogous

#050D38 #170538 #310538

triadic

#170538 #381705 #053817

tetradic

#170538 #38050D #263805 #053831

square

#170538 #38050D #263805 #053831

split-complementary

#170538 #383105 #0D3805

monochromatic

#0C031C #0C031C #170538 #2E0A70 #450FA8

Accessibility & contrast

On white

18.83

#170538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170538

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170538	#FFFFFF	#000000	##FFFFFF
##170538	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001239

Deuteranopia (green-blind)

#001037

Tritanopia (blue-blind)

#0C131E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #170538;
/* rgb */ color: rgb(23, 5, 56);
/* oklch */ color: oklch(19.0% 0.091 291.8);

Tailwind

colors: {
  custom: {
    50: '#58486f',
    500: '#170538',
    950: '#000000',
  },
}

SCSS

$custom: #170538;
$custom-light: #58486f;
$custom-dark: #000000;

JSON

{
  "hex": "#170538",
  "rgb": {
    "r": 23,
    "g": 5,
    "b": 56
  },
  "hsl": {
    "h": 261.176,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19033,
    "c": 0.09116,
    "h": 291.8
  },
  "luminance": 0.00576
}

Semantic roles & 50–950 ramp

primary

#170538

secondary

#5A7920

accent

#FA2EB2

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #170538

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

Preview Lab → · Contrast checker → · Palette generator →