#172983#172983

#172983 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.151 H 267.8°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#172983
RGB	rgb(23, 41, 131)
HSL	hsl(230, 70%, 30%)
HSV	hsv(230, 82%, 51%)
CMYK	cmyk(82.4%, 68.7%, 0%, 48.6%)
CIE-LAB	lab(21.60, 28.24, -52.26)
CIE-LCH	lch(21.60, 59.40, 298.39°)
OKLab	oklab(33.53% -0.0058 -0.1513)
OKLCH	oklch(33.53% 0.151 267.8)
XYZ	xyz(5.2416, 3.4061, 21.8495)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172983 #837117

analogous

#175F83 #172983 #3B1783

triadic

#172983 #831729 #298317

tetradic

#172983 #83175F #837117 #17833B

square

#172983 #83175F #837117 #17833B

split-complementary

#172983 #833B17 #5F8317

monochromatic

#05081B #0E194F #172983 #2039B7 #3854DC

Accessibility & contrast

On white

12.49

#172983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#172983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172983

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172983	#FFFFFF	#000000	##FFFFFF
##172983	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#002F81

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #172983;
/* rgb */ color: rgb(23, 41, 131);
/* oklch */ color: oklch(33.5% 0.151 267.8);

Tailwind

colors: {
  custom: {
    50: '#6962a8',
    500: '#172983',
    950: '#000000',
  },
}

SCSS

$custom: #172983;
$custom-light: #6962a8;
$custom-dark: #000000;

JSON

{
  "hex": "#172983",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 131
  },
  "hsl": {
    "h": 230,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33534,
    "c": 0.15145,
    "h": 267.8
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary

#172983

secondary

#B7A33F

accent

#CF3BED

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#070510

muted

#7A797F

Preview Lab

Preview with #172983

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

Preview Lab → · Contrast checker → · Palette generator →