#170D3A#170D3A

#170D3A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.6% C 0.082 H 287.0°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#170D3A
RGB	rgb(23, 13, 58)
HSL	hsl(253, 63%, 14%)
HSV	hsv(253, 78%, 23%)
CMYK	cmyk(60.3%, 77.6%, 0%, 77.3%)
CIE-LAB	lab(7.00, 19.20, -27.29)
CIE-LCH	lch(7.00, 33.37, 305.13°)
OKLab	oklab(20.63% 0.0241 -0.0786)
OKLCH	oklch(20.63% 0.082 287)
XYZ	xyz(1.2608, 0.7754, 4.0854)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D3A #303A0D

analogous

#0D1A3A #170D3A #2E0D3A

triadic

#170D3A #3A170D #0D3A17

tetradic

#170D3A #3A0D1A #303A0D #0D3A2E

square

#170D3A #3A0D1A #303A0D #0D3A2E

split-complementary

#170D3A #3A2E0D #1A3A0D

monochromatic

#0A0619 #0A0619 #170D3A #2B186C #3F239E

Accessibility & contrast

On white

18.18

#170D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D3A

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D3A	#FFFFFF	#000000	##FFFFFF
##170D3A	1.00	18.18	1.16	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#0A1822

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170d3a;
/* rgb */ color: rgb(23, 13, 58);
/* oklch */ color: oklch(20.6% 0.082 287.0);

Tailwind

colors: {
  custom: {
    50: '#584c71',
    500: '#170d3a',
    950: '#000000',
  },
}

SCSS

$custom: #170d3a;
$custom-light: #584c71;
$custom-dark: #000000;

JSON

{
  "hex": "#170d3a",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 58
  },
  "hsl": {
    "h": 253.333,
    "s": 63.38,
    "l": 13.922
  },
  "oklch": {
    "l": 0.2063,
    "c": 0.08218,
    "h": 287
  },
  "luminance": 0.00775
}

Semantic roles & 50–950 ramp

primary

#170D3A

secondary

#65762D

accent

#E641C2

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170D3A

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

Preview Lab → · Contrast checker → · Palette generator →