#17175D#17175D

#17175D is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.2% C 0.120 H 274.3°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#17175D
RGB	rgb(23, 23, 93)
HSL	hsl(240, 60%, 23%)
HSV	hsv(240, 75%, 36%)
CMYK	cmyk(75.3%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(13.14, 25.73, -41.54)
CIE-LCH	lch(13.14, 48.86, 301.77°)
OKLab	oklab(26.2% 0.0089 -0.1201)
OKLCH	oklch(26.2% 0.12 274.3)
XYZ	xyz(2.6349, 1.5850, 10.5209)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17175D #5D5D17

analogous

#173A5D #17175D #3A175D

triadic

#17175D #5D1717 #175D17

tetradic

#17175D #5D173A #5D5D17 #175D3A

square

#17175D #5D173A #5D5D17 #175D3A

split-complementary

#17175D #5D3A17 #3A5D17

monochromatic

#060619 #0B0B2C #17175D #23238E #2F2FBF

Accessibility & contrast

On white

15.95

#17175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#17175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17175D

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17175D	#FFFFFF	#000000	##FFFFFF
##17175D	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #17175d;
/* rgb */ color: rgb(23, 23, 93);
/* oklch */ color: oklch(26.2% 0.120 274.3);

Tailwind

colors: {
  custom: {
    50: '#60548c',
    500: '#17175d',
    950: '#000000',
  },
}

SCSS

$custom: #17175d;
$custom-light: #60548c;
$custom-dark: #000000;

JSON

{
  "hex": "#17175d",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 240,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26199,
    "c": 0.1204,
    "h": 274.3
  },
  "luminance": 0.01585
}

Semantic roles & 50–950 ramp

primary

#17175D

secondary

#94943C

accent

#E344E3

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #17175D

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

Preview Lab → · Contrast checker → · Palette generator →