#170B48#170B48

#170B48 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.9% C 0.105 H 282.4°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#170B48
RGB	rgb(23, 11, 72)
HSL	hsl(252, 73%, 16%)
HSV	hsv(252, 85%, 28%)
CMYK	cmyk(68.1%, 84.7%, 0%, 71.8%)
CIE-LAB	lab(8.03, 25.68, -35.57)
CIE-LCH	lch(8.03, 43.87, 305.82°)
OKLab	oklab(21.86% 0.0225 -0.1026)
OKLCH	oklch(21.86% 0.105 282.4)
XYZ	xyz(1.6424, 0.8893, 6.2147)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B48 #3C480B

analogous

#0B1E48 #170B48 #360B48

triadic

#170B48 #48170B #0B4817

tetradic

#170B48 #480B1E #3C480B #0B4836

square

#170B48 #480B1E #3C480B #0B4836

split-complementary

#170B48 #48360B #1E480B

monochromatic

#08041B #08041B #170B48 #28137D #391BB2

Accessibility & contrast

On white

17.83

#170B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#170B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B48

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B48	#FFFFFF	#000000	##FFFFFF
##170B48	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4A

Deuteranopia (green-blind)

#001547

Tritanopia (blue-blind)

#001D29

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #170b48;
/* rgb */ color: rgb(23, 11, 72);
/* oklch */ color: oklch(21.9% 0.105 282.4);

Tailwind

colors: {
  custom: {
    50: '#5c4b7c',
    500: '#170b48',
    950: '#000000',
  },
}

SCSS

$custom: #170b48;
$custom-light: #5c4b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#170b48",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 72
  },
  "hsl": {
    "h": 251.803,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21858,
    "c": 0.10501,
    "h": 282.4
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#170B48

secondary

#73842A

accent

#F038CC

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #170B48

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

Preview Lab → · Contrast checker → · Palette generator →