#170737#170737

#170737 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.3% C 0.087 H 291.5°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#170737
RGB	rgb(23, 7, 55)
HSL	hsl(260, 77%, 12%)
HSV	hsv(260, 87%, 22%)
CMYK	cmyk(58.2%, 87.3%, 0%, 78.4%)
CIE-LAB	lab(5.51, 21.02, -27.53)
CIE-LCH	lch(5.51, 34.64, 307.36°)
OKLab	oklab(19.28% 0.0317 -0.0806)
OKLCH	oklch(19.28% 0.087 291.5)
XYZ	xyz(1.1187, 0.6099, 3.6725)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170737 #273707

analogous

#070F37 #170737 #2F0737

triadic

#170737 #371707 #073717

tetradic

#170737 #37070F #273707 #07372F

square

#170737 #37070F #273707 #07372F

split-complementary

#170737 #372F07 #0F3707

monochromatic

#0B031B #0B031B #170737 #2E0E6D #4415A4

Accessibility & contrast

On white

18.72

#170737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170737

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170737	#FFFFFF	#000000	##FFFFFF
##170737	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#001136

Tritanopia (blue-blind)

#0C141E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170737;
/* rgb */ color: rgb(23, 7, 55);
/* oklch */ color: oklch(19.3% 0.087 291.5);

Tailwind

colors: {
  custom: {
    50: '#58496e',
    500: '#170737',
    950: '#000000',
  },
}

SCSS

$custom: #170737;
$custom-light: #58496e;
$custom-dark: #000000;

JSON

{
  "hex": "#170737",
  "rgb": {
    "r": 23,
    "g": 7,
    "b": 55
  },
  "hsl": {
    "h": 260,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19276,
    "c": 0.08663,
    "h": 291.5
  },
  "luminance": 0.0061
}

Semantic roles & 50–950 ramp

primary

#170737

secondary

#5B7723

accent

#F434B4

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170737

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

Preview Lab → · Contrast checker → · Palette generator →