#170838#170838

#170838 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.6% C 0.086 H 290.4°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#170838
RGB	rgb(23, 8, 56)
HSL	hsl(259, 75%, 13%)
HSV	hsv(259, 86%, 22%)
CMYK	cmyk(58.9%, 85.7%, 0%, 78%)
CIE-LAB	lab(5.79, 20.98, -27.81)
CIE-LCH	lch(5.79, 34.83, 307.03°)
OKLab	oklab(19.56% 0.0302 -0.081)
OKLCH	oklch(19.56% 0.086 290.4)
XYZ	xyz(1.1538, 0.6413, 3.8036)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170838 #293808

analogous

#081138 #170838 #2F0838

triadic

#170838 #381708 #083817

tetradic

#170838 #380811 #293808 #08382F

square

#170838 #380811 #293808 #08382F

split-complementary

#170838 #382F08 #113808

monochromatic

#0B041B #0B041B #170838 #2D106E #4317A3

Accessibility & contrast

On white

18.61

#170838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170838

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170838	#FFFFFF	#000000	##FFFFFF
##170838	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001439

Deuteranopia (green-blind)

#001237

Tritanopia (blue-blind)

#0B151F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170838;
/* rgb */ color: rgb(23, 8, 56);
/* oklch */ color: oklch(19.6% 0.086 290.4);

Tailwind

colors: {
  custom: {
    50: '#58496f',
    500: '#170838',
    950: '#000000',
  },
}

SCSS

$custom: #170838;
$custom-light: #58496f;
$custom-dark: #000000;

JSON

{
  "hex": "#170838",
  "rgb": {
    "r": 23,
    "g": 8,
    "b": 56
  },
  "hsl": {
    "h": 258.75,
    "s": 75,
    "l": 12.549
  },
  "oklch": {
    "l": 0.19561,
    "c": 0.08649,
    "h": 290.4
  },
  "luminance": 0.00641
}

Semantic roles & 50–950 ramp

primary

#170838

secondary

#5D7725

accent

#F236B7

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #170838

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

Preview Lab → · Contrast checker → · Palette generator →