#170F3A#170F3A

#170F3A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.0% C 0.079 H 285.9°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#170F3A
RGB	rgb(23, 15, 58)
HSL	hsl(251, 59%, 14%)
HSV	hsv(251, 74%, 23%)
CMYK	cmyk(60.3%, 74.1%, 0%, 77.3%)
CIE-LAB	lab(7.49, 17.95, -26.50)
CIE-LCH	lch(7.49, 32.01, 304.10°)
OKLab	oklab(21.01% 0.0217 -0.0761)
OKLCH	oklch(21.01% 0.079 285.9)
XYZ	xyz(1.2877, 0.8292, 4.0944)
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

#170F3A #323A0F

analogous

#0F1D3A #170F3A #2D0F3A

triadic

#170F3A #3A170F #0F3A17

tetradic

#170F3A #3A0F1D #323A0F #0F3A2D

square

#170F3A #3A0F1D #323A0F #0F3A2D

split-complementary

#170F3A #3A2D0F #1D3A0F

monochromatic

#0A0618 #0A0618 #170F3A #2A1C6B #3E289B

Accessibility & contrast

On white

18.01

#170F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#170F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F3A

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F3A	#FFFFFF	#000000	##FFFFFF
##170F3A	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)

#00183B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#091922

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170f3a;
/* rgb */ color: rgb(23, 15, 58);
/* oklch */ color: oklch(21.0% 0.079 285.9);

Tailwind

colors: {
  custom: {
    50: '#584d71',
    500: '#170f3a',
    950: '#000000',
  },
}

SCSS

$custom: #170f3a;
$custom-light: #584d71;
$custom-dark: #000000;

JSON

{
  "hex": "#170f3a",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 58
  },
  "hsl": {
    "h": 251.163,
    "s": 58.904,
    "l": 14.314
  },
  "oklch": {
    "l": 0.21005,
    "c": 0.07913,
    "h": 285.9
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary

#170F3A

secondary

#687430

accent

#E246C5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170F3A

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

Preview Lab → · Contrast checker → · Palette generator →