#172683#172683

#172683 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.155 H 268.4°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#172683
RGB	rgb(23, 38, 131)
HSL	hsl(232, 70%, 30%)
HSV	hsv(232, 82%, 51%)
CMYK	cmyk(82.4%, 71%, 0%, 48.6%)
CIE-LAB	lab(20.85, 30.25, -53.49)
CIE-LCH	lch(20.85, 61.46, 299.49°)
OKLab	oklab(32.99% -0.0043 -0.1549)
OKLCH	oklch(32.99% 0.155 268.4)
XYZ	xyz(5.1418, 3.2065, 21.8162)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172683 #837417

analogous

#175C83 #172683 #3E1783

triadic

#172683 #831726 #268317

tetradic

#172683 #83175C #837417 #17833E

square

#172683 #83175C #837417 #17833E

split-complementary

#172683 #833E17 #5C8317

monochromatic

#05081B #0E174F #172683 #2035B7 #384FDC

Accessibility & contrast

On white

12.79

#172683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#172683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172683

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172683	#FFFFFF	#000000	##FFFFFF
##172683	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003786

Deuteranopia (green-blind)

#002D81

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172683;
/* rgb */ color: rgb(23, 38, 131);
/* oklch */ color: oklch(33.0% 0.155 268.4);

Tailwind

colors: {
  custom: {
    50: '#6960a8',
    500: '#172683',
    950: '#000000',
  },
}

SCSS

$custom: #172683;
$custom-light: #6960a8;
$custom-dark: #000000;

JSON

{
  "hex": "#172683",
  "rgb": {
    "r": 23,
    "g": 38,
    "b": 131
  },
  "hsl": {
    "h": 231.667,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32988,
    "c": 0.15501,
    "h": 268.4
  },
  "luminance": 0.03207
}

Semantic roles & 50–950 ramp

primary

#172683

secondary

#B7A63F

accent

#D43BED

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#070510

muted

#7A797F

Preview Lab

Preview with #172683

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

Preview Lab → · Contrast checker → · Palette generator →