#170B47#170B47

#170B47 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.7% C 0.104 H 282.7°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#170B47
RGB	rgb(23, 11, 71)
HSL	hsl(252, 73%, 16%)
HSV	hsv(252, 85%, 28%)
CMYK	cmyk(67.6%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(7.92, 25.33, -35.06)
CIE-LCH	lch(7.92, 43.25, 305.84°)
OKLab	oklab(21.74% 0.0228 -0.1011)
OKLCH	oklch(21.74% 0.104 282.7)
XYZ	xyz(1.6100, 0.8763, 6.0443)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B47 #3B470B

analogous

#0B1D47 #170B47 #350B47

triadic

#170B47 #47170B #0B4717

tetradic

#170B47 #470B1D #3B470B #0B4735

square

#170B47 #470B1D #3B470B #0B4735

split-complementary

#170B47 #47350B #1D470B

monochromatic

#09041A #09041A #170B47 #28137C #391BB1

Accessibility & contrast

On white

17.87

#170B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#170B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B47

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B47	#FFFFFF	#000000	##FFFFFF
##170B47	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001949

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#001C28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #170b47;
/* rgb */ color: rgb(23, 11, 71);
/* oklch */ color: oklch(21.7% 0.104 282.7);

Tailwind

colors: {
  custom: {
    50: '#5c4b7b',
    500: '#170b47',
    950: '#000000',
  },
}

SCSS

$custom: #170b47;
$custom-light: #5c4b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#170b47",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 252,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21741,
    "c": 0.10363,
    "h": 282.7
  },
  "luminance": 0.00876
}

Semantic roles & 50–950 ramp

primary

#170B47

secondary

#72832A

accent

#F038CB

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #170B47

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

Preview Lab → · Contrast checker → · Palette generator →