#170840#170840

#170840 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.098 H 286.4°. Best body text is #FFFFFF at 18.34:1 contrast (WCAG AA passes).

Color values

HEX	#170840
RGB	rgb(23, 8, 64)
HSL	hsl(256, 78%, 14%)
HSV	hsv(256, 88%, 25%)
CMYK	cmyk(64.1%, 87.5%, 0%, 74.9%)
CIE-LAB	lab(6.56, 24.32, -32.33)
CIE-LCH	lch(6.56, 40.46, 306.94°)
OKLab	oklab(20.47% 0.0276 -0.0936)
OKLCH	oklch(20.47% 0.098 286.4)
XYZ	xyz(1.3653, 0.7259, 4.9177)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170840 #314008

analogous

#081540 #170840 #330840

triadic

#170840 #401708 #084017

tetradic

#170840 #400815 #314008 #084033

square

#170840 #400815 #314008 #084033

split-complementary

#170840 #403308 #154008

monochromatic

#0A031B #0A031B #170840 #2B0F76 #3E16AD

Accessibility & contrast

On white

18.34

#170840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170840

18.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170840	#FFFFFF	#000000	##FFFFFF
##170840	1.00	18.34	1.15	18.34
#FFFFFF	18.34	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#051824

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170840;
/* rgb */ color: rgb(23, 8, 64);
/* oklch */ color: oklch(20.5% 0.098 286.4);

Tailwind

colors: {
  custom: {
    50: '#5a4975',
    500: '#170840',
    950: '#000000',
  },
}

SCSS

$custom: #170840;
$custom-light: #5a4975;
$custom-dark: #000000;

JSON

{
  "hex": "#170840",
  "rgb": {
    "r": 23,
    "g": 8,
    "b": 64
  },
  "hsl": {
    "h": 256.071,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20475,
    "c": 0.09756,
    "h": 286.4
  },
  "luminance": 0.00726
}

Semantic roles & 50–950 ramp

primary

#170840

secondary

#677E25

accent

#F434C1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170840

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

Preview Lab → · Contrast checker → · Palette generator →