#170A4D#170A4D

#170A4D is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.3% C 0.113 H 281.0°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#170A4D
RGB	rgb(23, 10, 77)
HSL	hsl(252, 77%, 17%)
HSV	hsv(252, 87%, 30%)
CMYK	cmyk(70.1%, 87%, 0%, 69.8%)
CIE-LAB	lab(8.44, 27.97, -38.39)
CIE-LCH	lch(8.44, 47.50, 306.08°)
OKLab	oklab(22.32% 0.0216 -0.1108)
OKLCH	oklch(22.32% 0.113 281)
XYZ	xyz(1.8010, 0.9349, 7.1053)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A4D #404D0A

analogous

#0A1F4D #170A4D #390A4D

triadic

#170A4D #4D170A #0A4D17

tetradic

#170A4D #4D0A1F #404D0A #0A4D39

square

#170A4D #4D0A1F #404D0A #0A4D39

split-complementary

#170A4D #4D390A #1F4D0A

monochromatic

#08041B #08041B #170A4D #271183 #3718B9

Accessibility & contrast

On white

17.69

#170A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A4D

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A4D	#FFFFFF	#000000	##FFFFFF
##170A4D	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4F

Deuteranopia (green-blind)

#00164C

Tritanopia (blue-blind)

#001E2C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #170a4d;
/* rgb */ color: rgb(23, 10, 77);
/* oklch */ color: oklch(22.3% 0.113 281.0);

Tailwind

colors: {
  custom: {
    50: '#5d4b80',
    500: '#170a4d',
    950: '#000000',
  },
}

SCSS

$custom: #170a4d;
$custom-light: #5d4b80;
$custom-dark: #000000;

JSON

{
  "hex": "#170a4d",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 77
  },
  "hsl": {
    "h": 251.642,
    "s": 77.011,
    "l": 17.059
  },
  "oklch": {
    "l": 0.2232,
    "c": 0.11286,
    "h": 281
  },
  "luminance": 0.00935
}

Semantic roles & 50–950 ramp

primary

#170A4D

secondary

#778A29

accent

#F434CE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170A4D

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

Preview Lab → · Contrast checker → · Palette generator →