#170437#170437

#170437 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.7% C 0.092 H 292.9°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#170437
RGB	rgb(23, 4, 55)
HSL	hsl(262, 86%, 12%)
HSV	hsv(262, 93%, 22%)
CMYK	cmyk(58.2%, 92.7%, 0%, 78.4%)
CIE-LAB	lab(4.92, 22.45, -28.48)
CIE-LCH	lch(4.92, 36.27, 308.24°)
OKLab	oklab(18.73% 0.0356 -0.0843)
OKLCH	oklch(18.73% 0.092 292.9)
XYZ	xyz(1.0862, 0.5448, 3.6616)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170437 #243704

analogous

#040B37 #170437 #310437

triadic

#170437 #371704 #043717

tetradic

#170437 #37040B #243704 #043731

square

#170437 #37040B #243704 #043731

split-complementary

#170437 #373104 #0B3704

monochromatic

#0C021D #0C021D #170437 #2F0870 #470CA9

Accessibility & contrast

On white

18.94

#170437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#170437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170437

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170437	#FFFFFF	#000000	##FFFFFF
##170437	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001138

Deuteranopia (green-blind)

#001036

Tritanopia (blue-blind)

#0C121D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #170437;
/* rgb */ color: rgb(23, 4, 55);
/* oklch */ color: oklch(18.7% 0.092 292.9);

Tailwind

colors: {
  custom: {
    50: '#58476e',
    500: '#170437',
    950: '#000000',
  },
}

SCSS

$custom: #170437;
$custom-light: #58476e;
$custom-dark: #000000;

JSON

{
  "hex": "#170437",
  "rgb": {
    "r": 23,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 262.353,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.18731,
    "c": 0.09153,
    "h": 292.9
  },
  "luminance": 0.00545
}

Semantic roles & 50–950 ramp

primary

#170437

secondary

#57791E

accent

#FD2BAF

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #170437

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

Preview Lab → · Contrast checker → · Palette generator →