#170D37#170D37

#170D37 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.3% C 0.078 H 288.5°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#170D37
RGB	rgb(23, 13, 55)
HSL	hsl(254, 62%, 13%)
HSV	hsv(254, 76%, 22%)
CMYK	cmyk(58.2%, 76.4%, 0%, 78.4%)
CIE-LAB	lab(6.74, 17.99, -25.55)
CIE-LCH	lch(6.74, 31.25, 305.15°)
OKLab	oklab(20.32% 0.0246 -0.0736)
OKLCH	oklch(20.32% 0.078 288.5)
XYZ	xyz(1.1867, 0.7458, 3.6951)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D37 #2D370D

analogous

#0D1837 #170D37 #2C0D37

triadic

#170D37 #37170D #0D3717

tetradic

#170D37 #370D18 #2D370D #0D372C

square

#170D37 #370D18 #2D370D #0D372C

split-complementary

#170D37 #372C0D #18370D

monochromatic

#0A0619 #0A0619 #170D37 #2C1968 #40249A

Accessibility & contrast

On white

18.27

#170D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D37

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D37	#FFFFFF	#000000	##FFFFFF
##170D37	1.00	18.27	1.15	18.27
#FFFFFF	18.27	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#001436

Tritanopia (blue-blind)

#0C1720

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170d37;
/* rgb */ color: rgb(23, 13, 55);
/* oklch */ color: oklch(20.3% 0.078 288.5);

Tailwind

colors: {
  custom: {
    50: '#584c6e',
    500: '#170d37',
    950: '#000000',
  },
}

SCSS

$custom: #170d37;
$custom-light: #584c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#170d37",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 55
  },
  "hsl": {
    "h": 254.286,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20324,
    "c": 0.07759,
    "h": 288.5
  },
  "luminance": 0.00746
}

Semantic roles & 50–950 ramp

primary

#170D37

secondary

#62722D

accent

#E543BE

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170D37

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

Preview Lab → · Contrast checker → · Palette generator →