#170D33#170D33

#170D33 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.9% C 0.071 H 290.6°. Best body text is #FFFFFF at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#170D33
RGB	rgb(23, 13, 51)
HSL	hsl(256, 59%, 13%)
HSV	hsv(256, 75%, 20%)
CMYK	cmyk(54.9%, 74.5%, 0%, 80%)
CIE-LAB	lab(6.40, 16.34, -23.16)
CIE-LCH	lch(6.40, 28.34, 305.21°)
OKLab	oklab(19.93% 0.0251 -0.0668)
OKLCH	oklch(19.93% 0.071 290.6)
XYZ	xyz(1.0946, 0.7090, 3.2105)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 4.78

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D33 #29330D

analogous

#0D1633 #170D33 #2A0D33

triadic

#170D33 #33170D #0D3317

tetradic

#170D33 #330D16 #29330D #0D332A

square

#170D33 #330D16 #29330D #0D332A

split-complementary

#170D33 #332A0D #16330D

monochromatic

#0B0618 #0B0618 #170D33 #2D1964 #432695

Accessibility & contrast

On white

18.39

#170D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D33

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D33	#FFFFFF	#000000	##FFFFFF
##170D33	1.00	18.39	1.14	18.39
#FFFFFF	18.39	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001534

Deuteranopia (green-blind)

#001332

Tritanopia (blue-blind)

#0E161E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #170d33;
/* rgb */ color: rgb(23, 13, 51);
/* oklch */ color: oklch(19.9% 0.071 290.6);

Tailwind

colors: {
  custom: {
    50: '#574c6b',
    500: '#170d33',
    950: '#000000',
  },
}

SCSS

$custom: #170d33;
$custom-light: #574c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#170d33",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 51
  },
  "hsl": {
    "h": 255.789,
    "s": 59.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.1993,
    "c": 0.07136,
    "h": 290.6
  },
  "luminance": 0.00709
}

Semantic roles & 50–950 ramp

primary

#170D33

secondary

#5D6E2E

accent

#E345B9

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170D33

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

Preview Lab → · Contrast checker → · Palette generator →