#17479F#17479F

#17479F is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.2% C 0.152 H 261.3°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#17479F
RGB	rgb(23, 71, 159)
HSL	hsl(219, 75%, 36%)
HSV	hsv(219, 86%, 62%)
CMYK	cmyk(85.5%, 55.3%, 0%, 37.6%)
CIE-LAB	lab(32.24, 18.81, -52.14)
CIE-LCH	lch(32.24, 55.43, 289.84°)
OKLab	oklab(42.23% -0.0231 -0.1505)
OKLCH	oklch(42.23% 0.152 261.3)
XYZ	xyz(8.8623, 7.1907, 33.7150)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17479F #9F6F17

analogous

#178B9F #17479F #2B179F

triadic

#17479F #9F1747 #479F17

tetradic

#17479F #9F178B #9F6F17 #179F2B

square

#17479F #9F178B #9F6F17 #179F2B

split-complementary

#17479F #9F2B17 #8B9F17

monochromatic

#081734 #0F2F6A #17479F #1F5FD4 #4B82E5

Accessibility & contrast

On white

8.61

#17479F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#17479F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17479F

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17479F	#FFFFFF	#000000	##FFFFFF
##17479F	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #17479f;
/* rgb */ color: rgb(23, 71, 159);
/* oklch */ color: oklch(42.2% 0.152 261.3);

Tailwind

colors: {
  custom: {
    50: '#6e79bc',
    500: '#17479f',
    950: '#000000',
  },
}

SCSS

$custom: #17479f;
$custom-light: #6e79bc;
$custom-dark: #000000;

JSON

{
  "hex": "#17479f",
  "rgb": {
    "r": 23,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 218.824,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4223,
    "c": 0.1523,
    "h": 261.3
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#17479F

secondary

#C79B4B

accent

#AF36F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #17479F

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

Preview Lab → · Contrast checker → · Palette generator →