#170A2F#170A2F

#170A2F is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.070 H 295.0°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#170A2F
RGB	rgb(23, 10, 47)
HSL	hsl(261, 65%, 11%)
HSV	hsv(261, 79%, 18%)
CMYK	cmyk(51.1%, 78.7%, 0%, 81.6%)
CIE-LAB	lab(5.46, 16.13, -21.71)
CIE-LCH	lch(5.46, 27.05, 306.62°)
OKLab	oklab(18.98% 0.0297 -0.0636)
OKLCH	oklch(18.98% 0.07 295)
XYZ	xyz(0.9748, 0.6045, 2.7541)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.09

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A2F #222F0A

analogous

#0A0F2F #170A2F #290A2F

triadic

#170A2F #2F170A #0A2F17

tetradic

#170A2F #2F0A0F #222F0A #0A2F29

square

#170A2F #2F0A0F #222F0A #0A2F29

split-complementary

#170A2F #2F290A #0F2F0A

monochromatic

#0C0519 #0C0519 #170A2F #301561 #481F94

Accessibility & contrast

On white

18.74

#170A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A2F

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A2F	#FFFFFF	#000000	##FFFFFF
##170A2F	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001230

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#11131B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170a2f;
/* rgb */ color: rgb(23, 10, 47);
/* oklch */ color: oklch(19.0% 0.070 295.0);

Tailwind

colors: {
  custom: {
    50: '#564a68',
    500: '#170a2f',
    950: '#000000',
  },
}

SCSS

$custom: #170a2f;
$custom-light: #564a68;
$custom-dark: #000000;

JSON

{
  "hex": "#170a2f",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 47
  },
  "hsl": {
    "h": 261.081,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.18976,
    "c": 0.07017,
    "h": 295
  },
  "luminance": 0.00604
}

Semantic roles & 50–950 ramp

primary

#170A2F

secondary

#546C29

accent

#E840AD

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170A2F

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

Preview Lab → · Contrast checker → · Palette generator →