#170A4E#170A4E

#170A4E is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.4% C 0.114 H 280.7°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#170A4E
RGB	rgb(23, 10, 78)
HSL	hsl(251, 77%, 17%)
HSV	hsv(251, 87%, 31%)
CMYK	cmyk(70.5%, 87.2%, 0%, 69.4%)
CIE-LAB	lab(8.56, 28.31, -38.88)
CIE-LCH	lch(8.56, 48.09, 306.06°)
OKLab	oklab(22.44% 0.0212 -0.1122)
OKLCH	oklch(22.44% 0.114 280.7)
XYZ	xyz(1.8366, 0.9492, 7.2927)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A4E #414E0A

analogous

#0A1F4E #170A4E #390A4E

triadic

#170A4E #4E170A #0A4E17

tetradic

#170A4E #4E0A1F #414E0A #0A4E39

square

#170A4E #4E0A1F #414E0A #0A4E39

split-complementary

#170A4E #4E390A #1F4E0A

monochromatic

#08031B #08031B #170A4E #271184 #3718BA

Accessibility & contrast

On white

17.65

#170A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A4E

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A4E	#FFFFFF	#000000	##FFFFFF
##170A4E	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B50

Deuteranopia (green-blind)

#00164D

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170a4e;
/* rgb */ color: rgb(23, 10, 78);
/* oklch */ color: oklch(22.4% 0.114 280.7);

Tailwind

colors: {
  custom: {
    50: '#5e4b80',
    500: '#170a4e',
    950: '#000000',
  },
}

SCSS

$custom: #170a4e;
$custom-light: #5e4b80;
$custom-dark: #000000;

JSON

{
  "hex": "#170a4e",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 78
  },
  "hsl": {
    "h": 251.471,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22442,
    "c": 0.11419,
    "h": 280.7
  },
  "luminance": 0.00949
}

Semantic roles & 50–950 ramp

primary

#170A4E

secondary

#788B29

accent

#F434CF

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170A4E

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

Preview Lab → · Contrast checker → · Palette generator →