#170C3E#170C3E

#170C3E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.090 H 285.8°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#170C3E
RGB	rgb(23, 12, 62)
HSL	hsl(253, 68%, 15%)
HSV	hsv(253, 81%, 24%)
CMYK	cmyk(62.9%, 80.6%, 0%, 75.7%)
CIE-LAB	lab(7.16, 21.38, -29.92)
CIE-LCH	lch(7.16, 36.77, 305.55°)
OKLab	oklab(20.88% 0.0244 -0.0862)
OKLCH	oklch(20.88% 0.09 285.8)
XYZ	xyz(1.3541, 0.7928, 4.6382)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C3E #333E0C

analogous

#0C1A3E #170C3E #300C3E

triadic

#170C3E #3E170C #0C3E17

tetradic

#170C3E #3E0C1A #333E0C #0C3E30

square

#170C3E #3E0C1A #333E0C #0C3E30

split-complementary

#170C3E #3E300C #1A3E0C

monochromatic

#0A051A #0A051A #170C3E #2A1671 #3D20A5

Accessibility & contrast

On white

18.13

#170C3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170C3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C3E

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C3E	#FFFFFF	#000000	##FFFFFF
##170C3E	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173F

Deuteranopia (green-blind)

#00143D

Tritanopia (blue-blind)

#061924

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170c3e;
/* rgb */ color: rgb(23, 12, 62);
/* oklch */ color: oklch(20.9% 0.090 285.8);

Tailwind

colors: {
  custom: {
    50: '#594c74',
    500: '#170c3e',
    950: '#000000',
  },
}

SCSS

$custom: #170c3e;
$custom-light: #594c74;
$custom-dark: #000000;

JSON

{
  "hex": "#170c3e",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 62
  },
  "hsl": {
    "h": 253.2,
    "s": 67.568,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2088,
    "c": 0.08958,
    "h": 285.8
  },
  "luminance": 0.00793
}

Semantic roles & 50–950 ramp

primary

#170C3E

secondary

#697A2C

accent

#EA3DC4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170C3E

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

Preview Lab → · Contrast checker → · Palette generator →