#170B42#170B42

#170B42 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.2% C 0.097 H 284.6°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#170B42
RGB	rgb(23, 11, 66)
HSL	hsl(253, 71%, 15%)
HSV	hsv(253, 83%, 26%)
CMYK	cmyk(65.2%, 83.3%, 0%, 74.1%)
CIE-LAB	lab(7.36, 23.49, -32.44)
CIE-LCH	lch(7.36, 40.05, 305.91°)
OKLab	oklab(21.16% 0.0243 -0.0935)
OKLCH	oklch(21.16% 0.097 284.6)
XYZ	xyz(1.4561, 0.8148, 5.2337)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B42 #36420B

analogous

#0B1A42 #170B42 #330B42

triadic

#170B42 #42170B #0B4217

tetradic

#170B42 #420B1A #36420B #0B4233

square

#170B42 #420B1A #36420B #0B4233

split-complementary

#170B42 #42330B #1A420B

monochromatic

#09041A #09041A #170B42 #291476 #3C1CAB

Accessibility & contrast

On white

18.06

#170B42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170B42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B42

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B42	#FFFFFF	#000000	##FFFFFF
##170B42	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001844

Deuteranopia (green-blind)

#001441

Tritanopia (blue-blind)

#031A25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170b42;
/* rgb */ color: rgb(23, 11, 66);
/* oklch */ color: oklch(21.2% 0.097 284.6);

Tailwind

colors: {
  custom: {
    50: '#5a4b77',
    500: '#170b42',
    950: '#000000',
  },
}

SCSS

$custom: #170b42;
$custom-light: #5a4b77;
$custom-dark: #000000;

JSON

{
  "hex": "#170b42",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 66
  },
  "hsl": {
    "h": 253.091,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21164,
    "c": 0.09663,
    "h": 284.6
  },
  "luminance": 0.00815
}

Semantic roles & 50–950 ramp

primary

#170B42

secondary

#6C7F2A

accent

#EE3AC7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #170B42

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

Preview Lab → · Contrast checker → · Palette generator →