#170D3F#170D3F

#170D3F is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.2% C 0.090 H 284.9°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#170D3F
RGB	rgb(23, 13, 63)
HSL	hsl(252, 66%, 15%)
HSV	hsv(252, 79%, 25%)
CMYK	cmyk(63.5%, 79.4%, 0%, 75.3%)
CIE-LAB	lab(7.49, 21.16, -30.10)
CIE-LCH	lch(7.49, 36.79, 305.11°)
OKLab	oklab(21.16% 0.0231 -0.0866)
OKLCH	oklch(21.16% 0.09 284.9)
XYZ	xyz(1.3942, 0.8288, 4.7882)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D3F #353F0D

analogous

#0D1C3F #170D3F #300D3F

triadic

#170D3F #3F170D #0D3F17

tetradic

#170D3F #3F0D1C #353F0D #0D3F30

square

#170D3F #3F0D1C #353F0D #0D3F30

split-complementary

#170D3F #3F300D #1C3F0D

monochromatic

#090519 #090519 #170D3F #2A1772 #3C22A4

Accessibility & contrast

On white

18.01

#170D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#170D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D3F

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D3F	#FFFFFF	#000000	##FFFFFF
##170D3F	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001841

Deuteranopia (green-blind)

#00153E

Tritanopia (blue-blind)

#051A24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170d3f;
/* rgb */ color: rgb(23, 13, 63);
/* oklch */ color: oklch(21.2% 0.090 284.9);

Tailwind

colors: {
  custom: {
    50: '#5a4c75',
    500: '#170d3f',
    950: '#000000',
  },
}

SCSS

$custom: #170d3f;
$custom-light: #5a4c75;
$custom-dark: #000000;

JSON

{
  "hex": "#170d3f",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 63
  },
  "hsl": {
    "h": 252,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21158,
    "c": 0.08967,
    "h": 284.9
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary

#170D3F

secondary

#6B7B2D

accent

#E93FC7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170D3F

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

Preview Lab → · Contrast checker → · Palette generator →