#17179E#17179E

#17179E is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.1% C 0.202 H 268.7°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#17179E
RGB	rgb(23, 23, 158)
HSL	hsl(240, 75%, 35%)
HSV	hsv(240, 85%, 62%)
CMYK	cmyk(85.4%, 85.4%, 0%, 38%)
CIE-LAB	lab(21.07, 48.09, -69.90)
CIE-LCH	lch(21.07, 84.85, 304.53°)
OKLab	oklab(34.06% -0.0045 -0.2024)
OKLCH	oklch(34.06% 0.202 268.7)
XYZ	xyz(6.8292, 3.2627, 32.6110)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17179E #9E9E17

analogous

#175A9E #17179E #5A179E

triadic

#17179E #9E1717 #179E17

tetradic

#17179E #9E175A #9E9E17 #179E5A

square

#17179E #9E175A #9E9E17 #179E5A

split-complementary

#17179E #9E5A17 #5A9E17

monochromatic

#070733 #0F0F69 #17179E #1F1FD3 #4B4BE5

Accessibility & contrast

On white

12.71

#17179E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#17179E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17179E

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17179E	#FFFFFF	#000000	##FFFFFF
##17179E	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002B9C

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17179e;
/* rgb */ color: rgb(23, 23, 158);
/* oklch */ color: oklch(34.1% 0.202 268.7);

Tailwind

colors: {
  custom: {
    50: '#7259bc',
    500: '#17179e',
    950: '#000000',
  },
}

SCSS

$custom: #17179e;
$custom-light: #7259bc;
$custom-dark: #000000;

JSON

{
  "hex": "#17179e",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 158
  },
  "hsl": {
    "h": 240,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34062,
    "c": 0.20241,
    "h": 268.7
  },
  "luminance": 0.03264
}

Semantic roles & 50–950 ramp

primary

#17179E

secondary

#C6C64A

accent

#F137F1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #17179E

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

Preview Lab → · Contrast checker → · Palette generator →