#170D39#170D39

#170D39 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.5% C 0.081 H 287.5°. Best body text is #FFFFFF at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#170D39
RGB	rgb(23, 13, 57)
HSL	hsl(254, 63%, 14%)
HSV	hsv(254, 77%, 22%)
CMYK	cmyk(59.6%, 77.2%, 0%, 77.6%)
CIE-LAB	lab(6.91, 18.80, -26.72)
CIE-LCH	lch(6.91, 32.67, 305.13°)
OKLab	oklab(20.53% 0.0243 -0.0769)
OKLCH	oklch(20.53% 0.081 287.5)
XYZ	xyz(1.2356, 0.7654, 3.9527)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D39 #2F390D

analogous

#0D1939 #170D39 #2D0D39

triadic

#170D39 #39170D #0D3917

tetradic

#170D39 #390D19 #2F390D #0D392D

square

#170D39 #390D19 #2F390D #0D392D

split-complementary

#170D39 #392D0D #19390D

monochromatic

#0A0619 #0A0619 #170D39 #2B186B #3F249D

Accessibility & contrast

On white

18.21

#170D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D39

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D39	#FFFFFF	#000000	##FFFFFF
##170D39	1.00	18.21	1.15	18.21
#FFFFFF	18.21	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#0A1821

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170d39;
/* rgb */ color: rgb(23, 13, 57);
/* oklch */ color: oklch(20.5% 0.081 287.5);

Tailwind

colors: {
  custom: {
    50: '#584c70',
    500: '#170d39',
    950: '#000000',
  },
}

SCSS

$custom: #170d39;
$custom-light: #584c70;
$custom-dark: #000000;

JSON

{
  "hex": "#170d39",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 57
  },
  "hsl": {
    "h": 253.636,
    "s": 62.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20527,
    "c": 0.08066,
    "h": 287.5
  },
  "luminance": 0.00765
}

Semantic roles & 50–950 ramp

primary

#170D39

secondary

#64742D

accent

#E642C1

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170D39

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

Preview Lab → · Contrast checker → · Palette generator →