#170539#170539

#170539 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.092 H 291.2°. Best body text is #FFFFFF at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#170539
RGB	rgb(23, 5, 57)
HSL	hsl(261, 84%, 12%)
HSV	hsv(261, 91%, 22%)
CMYK	cmyk(59.6%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(5.29, 22.86, -29.34)
CIE-LCH	lch(5.29, 37.20, 307.93°)
OKLab	oklab(19.15% 0.0334 -0.0862)
OKLCH	oklch(19.15% 0.092 291.2)
XYZ	xyz(1.1459, 0.5861, 3.9228)
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

#170539 #273905

analogous

#050D39 #170539 #310539

triadic

#170539 #391705 #053917

tetradic

#170539 #39050D #273905 #053931

square

#170539 #39050D #273905 #053931

split-complementary

#170539 #393105 #0D3905

monochromatic

#0B021C #0B021C #170539 #2E0A71 #440FAA

Accessibility & contrast

On white

18.80

#170539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170539

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170539	#FFFFFF	#000000	##FFFFFF
##170539	1.00	18.80	1.12	18.80
#FFFFFF	18.80	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123A

Deuteranopia (green-blind)

#001038

Tritanopia (blue-blind)

#0B141F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170539;
/* rgb */ color: rgb(23, 5, 57);
/* oklch */ color: oklch(19.2% 0.092 291.2);

Tailwind

colors: {
  custom: {
    50: '#584870',
    500: '#170539',
    950: '#000000',
  },
}

SCSS

$custom: #170539;
$custom-light: #584870;
$custom-dark: #000000;

JSON

{
  "hex": "#170539",
  "rgb": {
    "r": 23,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 260.769,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19151,
    "c": 0.09247,
    "h": 291.2
  },
  "luminance": 0.00586
}

Semantic roles & 50–950 ramp

primary

#170539

secondary

#5B7A20

accent

#FA2EB3

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #170539

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

Preview Lab → · Contrast checker → · Palette generator →