#170A38#170A38

#170A38 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.9% C 0.084 H 289.5°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#170A38
RGB	rgb(23, 10, 56)
HSL	hsl(257, 70%, 13%)
HSV	hsv(257, 82%, 22%)
CMYK	cmyk(58.9%, 82.1%, 0%, 78%)
CIE-LAB	lab(6.18, 20.00, -27.17)
CIE-LCH	lch(6.18, 33.74, 306.36°)
OKLab	oklab(19.9% 0.0279 -0.0788)
OKLCH	oklch(19.9% 0.084 289.5)
XYZ	xyz(1.1755, 0.6847, 3.8108)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A38 #2B380A

analogous

#0A1438 #170A38 #2E0A38

triadic

#170A38 #38170A #0A3817

tetradic

#170A38 #380A14 #2B380A #0A382E

square

#170A38 #380A14 #2B380A #0A382E

split-complementary

#170A38 #382E0A #14380A

monochromatic

#0B051A #0B051A #170A38 #2C136C #421DA0

Accessibility & contrast

On white

18.47

#170A38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170A38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A38

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A38	#FFFFFF	#000000	##FFFFFF
##170A38	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001539

Deuteranopia (green-blind)

#001337

Tritanopia (blue-blind)

#0B1620

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #170a38;
/* rgb */ color: rgb(23, 10, 56);
/* oklch */ color: oklch(19.9% 0.084 289.5);

Tailwind

colors: {
  custom: {
    50: '#584a6f',
    500: '#170a38',
    950: '#000000',
  },
}

SCSS

$custom: #170a38;
$custom-light: #584a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#170a38",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 56
  },
  "hsl": {
    "h": 256.957,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.19898,
    "c": 0.08358,
    "h": 289.5
  },
  "luminance": 0.00685
}

Semantic roles & 50–950 ramp

primary

#170A38

secondary

#607528

accent

#ED3BBA

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170A38

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

Preview Lab → · Contrast checker → · Palette generator →