#170A4A#170A4A

#170A4A is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.109 H 282.0°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#170A4A
RGB	rgb(23, 10, 74)
HSL	hsl(252, 76%, 16%)
HSV	hsv(252, 86%, 29%)
CMYK	cmyk(68.9%, 86.5%, 0%, 71%)
CIE-LAB	lab(8.07, 26.94, -36.91)
CIE-LCH	lch(8.07, 45.69, 306.13°)
OKLab	oklab(21.96% 0.0226 -0.1065)
OKLCH	oklch(21.96% 0.109 282)
XYZ	xyz(1.6975, 0.8935, 6.5603)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A4A #3D4A0A

analogous

#0A1D4A #170A4A #370A4A

triadic

#170A4A #4A170A #0A4A17

tetradic

#170A4A #4A0A1D #3D4A0A #0A4A37

square

#170A4A #4A0A1D #3D4A0A #0A4A37

split-complementary

#170A4A #4A370A #1D4A0A

monochromatic

#08041B #08041B #170A4A #281180 #3919B6

Accessibility & contrast

On white

17.81

#170A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#170A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A4A

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A4A	#FFFFFF	#000000	##FFFFFF
##170A4A	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4C

Deuteranopia (green-blind)

#001549

Tritanopia (blue-blind)

#001D2A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #170a4a;
/* rgb */ color: rgb(23, 10, 74);
/* oklch */ color: oklch(22.0% 0.109 282.0);

Tailwind

colors: {
  custom: {
    50: '#5d4b7d',
    500: '#170a4a',
    950: '#000000',
  },
}

SCSS

$custom: #170a4a;
$custom-light: #5d4b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#170a4a",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 74
  },
  "hsl": {
    "h": 252.188,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.21956,
    "c": 0.10883,
    "h": 282
  },
  "luminance": 0.00894
}

Semantic roles & 50–950 ramp

primary

#170A4A

secondary

#748729

accent

#F335CC

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170A4A

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

Preview Lab → · Contrast checker → · Palette generator →