#170931#170931

#170931 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.075 H 294.2°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#170931
RGB	rgb(23, 9, 49)
HSL	hsl(261, 69%, 11%)
HSV	hsv(261, 82%, 19%)
CMYK	cmyk(53.1%, 81.6%, 0%, 80.8%)
CIE-LAB	lab(5.41, 17.46, -23.27)
CIE-LCH	lch(5.41, 29.09, 306.87°)
OKLab	oklab(18.99% 0.0307 -0.0683)
OKLCH	oklch(18.99% 0.075 294.2)
XYZ	xyz(1.0053, 0.5993, 2.9678)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.07

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170931 #233109

analogous

#090F31 #170931 #2B0931

triadic

#170931 #311709 #093117

tetradic

#170931 #31090F #233109 #09312B

square

#170931 #31090F #233109 #09312B

split-complementary

#170931 #312B09 #0F3109

monochromatic

#0C051A #0C051A #170931 #2F1265 #481C98

Accessibility & contrast

On white

18.75

#170931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170931

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170931	#FFFFFF	#000000	##FFFFFF
##170931	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001232

Deuteranopia (green-blind)

#001130

Tritanopia (blue-blind)

#10131B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170931;
/* rgb */ color: rgb(23, 9, 49);
/* oklch */ color: oklch(19.0% 0.075 294.2);

Tailwind

colors: {
  custom: {
    50: '#564a69',
    500: '#170931',
    950: '#000000',
  },
}

SCSS

$custom: #170931;
$custom-light: #564a69;
$custom-dark: #000000;

JSON

{
  "hex": "#170931",
  "rgb": {
    "r": 23,
    "g": 9,
    "b": 49
  },
  "hsl": {
    "h": 261,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18993,
    "c": 0.07484,
    "h": 294.2
  },
  "luminance": 0.00599
}

Semantic roles & 50–950 ramp

primary

#170931

secondary

#566F27

accent

#EC3CAE

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170931

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

Preview Lab → · Contrast checker → · Palette generator →