#170B45#170B45

#170B45 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.5% C 0.101 H 283.4°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#170B45
RGB	rgb(23, 11, 69)
HSL	hsl(252, 73%, 16%)
HSV	hsv(252, 84%, 27%)
CMYK	cmyk(66.7%, 84.1%, 0%, 72.9%)
CIE-LAB	lab(7.69, 24.61, -34.03)
CIE-LCH	lch(7.69, 41.99, 305.87°)
OKLab	oklab(21.51% 0.0234 -0.0981)
OKLCH	oklch(21.51% 0.101 283.4)
XYZ	xyz(1.5469, 0.8511, 5.7118)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B45 #39450B

analogous

#0B1C45 #170B45 #340B45

triadic

#170B45 #45170B #0B4517

tetradic

#170B45 #450B1C #39450B #0B4534

square

#170B45 #450B1C #39450B #0B4534

split-complementary

#170B45 #45340B #1C450B

monochromatic

#09041A #09041A #170B45 #29137A #3A1CAF

Accessibility & contrast

On white

17.95

#170B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#170B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B45

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B45	#FFFFFF	#000000	##FFFFFF
##170B45	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001947

Deuteranopia (green-blind)

#001544

Tritanopia (blue-blind)

#001B27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #170b45;
/* rgb */ color: rgb(23, 11, 69);
/* oklch */ color: oklch(21.5% 0.101 283.4);

Tailwind

colors: {
  custom: {
    50: '#5b4b79',
    500: '#170b45',
    950: '#000000',
  },
}

SCSS

$custom: #170b45;
$custom-light: #5b4b79;
$custom-dark: #000000;

JSON

{
  "hex": "#170b45",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 69
  },
  "hsl": {
    "h": 252.414,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.21508,
    "c": 0.10084,
    "h": 283.4
  },
  "luminance": 0.00851
}

Semantic roles & 50–950 ramp

primary

#170B45

secondary

#6F812A

accent

#EF39C9

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #170B45

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

Preview Lab → · Contrast checker → · Palette generator →