#170B52#170B52

#170B52 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.1% C 0.119 H 279.4°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#170B52
RGB	rgb(23, 11, 82)
HSL	hsl(250, 76%, 18%)
HSV	hsv(250, 87%, 32%)
CMYK	cmyk(72%, 86.6%, 0%, 67.8%)
CIE-LAB	lab(9.24, 29.13, -40.50)
CIE-LCH	lch(9.24, 49.89, 305.72°)
OKLab	oklab(23.06% 0.0193 -0.117)
OKLCH	oklch(23.06% 0.119 279.4)
XYZ	xyz(1.9955, 1.0305, 8.0748)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B52 #46520B

analogous

#0B2252 #170B52 #3A0B52

triadic

#170B52 #52170B #0B5217

tetradic

#170B52 #520B22 #46520B #0B523A

square

#170B52 #520B22 #46520B #0B523A

split-complementary

#170B52 #523A0B #22520B

monochromatic

#08041B #08041C #170B52 #261288 #3519BE

Accessibility & contrast

On white

17.41

#170B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#170B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B52

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B52	#FFFFFF	#000000	##FFFFFF
##170B52	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D54

Deuteranopia (green-blind)

#001751

Tritanopia (blue-blind)

#00212F

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #170b52;
/* rgb */ color: rgb(23, 11, 82);
/* oklch */ color: oklch(23.1% 0.119 279.4);

Tailwind

colors: {
  custom: {
    50: '#5f4c83',
    500: '#170b52',
    950: '#000000',
  },
}

SCSS

$custom: #170b52;
$custom-light: #5f4c83;
$custom-dark: #000000;

JSON

{
  "hex": "#170b52",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 82
  },
  "hsl": {
    "h": 250.141,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23063,
    "c": 0.11854,
    "h": 279.4
  },
  "luminance": 0.01031
}

Semantic roles & 50–950 ramp

primary

#170B52

secondary

#7D8E2B

accent

#F335D3

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #170B52

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

Preview Lab → · Contrast checker → · Palette generator →