#170D43#170D43

#170D43 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.6% C 0.096 H 283.4°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#170D43
RGB	rgb(23, 13, 67)
HSL	hsl(251, 68%, 16%)
HSV	hsv(251, 81%, 26%)
CMYK	cmyk(65.7%, 80.6%, 0%, 73.7%)
CIE-LAB	lab(7.91, 22.66, -32.26)
CIE-LCH	lch(7.91, 39.42, 305.08°)
OKLab	oklab(21.6% 0.0222 -0.0929)
OKLCH	oklch(21.6% 0.096 283.4)
XYZ	xyz(1.5101, 0.8752, 5.3985)
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

#170D43 #39430D

analogous

#0D1E43 #170D43 #320D43

triadic

#170D43 #43170D #0D4317

tetradic

#170D43 #430D1E #39430D #0D4332

square

#170D43 #430D1E #39430D #0D4332

split-complementary

#170D43 #43320D #1E430D

monochromatic

#09051A #09051A #170D43 #291776 #3A21AA

Accessibility & contrast

On white

17.87

#170D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#170D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D43

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D43	#FFFFFF	#000000	##FFFFFF
##170D43	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)

#001945

Deuteranopia (green-blind)

#001642

Tritanopia (blue-blind)

#011C27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #170d43;
/* rgb */ color: rgb(23, 13, 67);
/* oklch */ color: oklch(21.6% 0.096 283.4);

Tailwind

colors: {
  custom: {
    50: '#5b4c78',
    500: '#170d43',
    950: '#000000',
  },
}

SCSS

$custom: #170d43;
$custom-light: #5b4c78;
$custom-dark: #000000;

JSON

{
  "hex": "#170d43",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 67
  },
  "hsl": {
    "h": 251.111,
    "s": 67.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.21596,
    "c": 0.09552,
    "h": 283.4
  },
  "luminance": 0.00875
}

Semantic roles & 50–950 ramp

primary

#170D43

secondary

#6F7E2D

accent

#EA3DCA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #170D43

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

Preview Lab → · Contrast checker → · Palette generator →