#170B50#170B50

#170B50 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.8% C 0.116 H 279.9°. Best body text is #FFFFFF at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#170B50
RGB	rgb(23, 11, 80)
HSL	hsl(250, 76%, 18%)
HSV	hsv(250, 86%, 31%)
CMYK	cmyk(71.2%, 86.3%, 0%, 68.6%)
CIE-LAB	lab(9.00, 28.45, -39.54)
CIE-LCH	lch(9.00, 48.71, 305.73°)
OKLab	oklab(22.82% 0.0199 -0.1141)
OKLCH	oklch(22.82% 0.116 279.9)
XYZ	xyz(1.9205, 1.0005, 7.6798)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B50 #44500B

analogous

#0B2150 #170B50 #390B50

triadic

#170B50 #50170B #0B5017

tetradic

#170B50 #500B21 #44500B #0B5039

square

#170B50 #500B21 #44500B #0B5039

split-complementary

#170B50 #50390B #21500B

monochromatic

#08041B #08041B #170B50 #261286 #361ABC

Accessibility & contrast

On white

17.50

#170B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#170B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B50

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B50	#FFFFFF	#000000	##FFFFFF
##170B50	1.00	17.50	1.20	17.50
#FFFFFF	17.50	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C52

Deuteranopia (green-blind)

#00174F

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170b50;
/* rgb */ color: rgb(23, 11, 80);
/* oklch */ color: oklch(22.8% 0.116 279.9);

Tailwind

colors: {
  custom: {
    50: '#5e4c82',
    500: '#170b50',
    950: '#000000',
  },
}

SCSS

$custom: #170b50;
$custom-light: #5e4c82;
$custom-dark: #000000;

JSON

{
  "hex": "#170b50",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 80
  },
  "hsl": {
    "h": 250.435,
    "s": 75.824,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22818,
    "c": 0.11588,
    "h": 279.9
  },
  "luminance": 0.01001
}

Semantic roles & 50–950 ramp

primary

#170B50

secondary

#7B8C2B

accent

#F235D2

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #170B50

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

Preview Lab → · Contrast checker → · Palette generator →