#173172#173172

#173172 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.117 H 264.4°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#173172
RGB	rgb(23, 49, 114)
HSL	hsl(223, 66%, 27%)
HSV	hsv(223, 80%, 45%)
CMYK	cmyk(79.8%, 57%, 0%, 55.3%)
CIE-LAB	lab(22.28, 15.73, -40.36)
CIE-LCH	lch(22.28, 43.31, 291.29°)
OKLab	oklab(33.56% -0.0113 -0.1163)
OKLCH	oklch(33.56% 0.117 264.4)
XYZ	xyz(4.4878, 3.5932, 16.3734)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173172 #725817

analogous

#175F72 #173172 #2B1772

triadic

#173172 #721731 #317217

tetradic

#173172 #72175F #725817 #17722B

square

#173172 #72175F #725817 #17722B

split-complementary

#173172 #722B17 #5F7217

monochromatic

#050B19 #0D1B3F #173172 #2147A5 #2E5ED5

Accessibility & contrast

On white

12.22

#173172 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#173172 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173172

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173172	#FFFFFF	#000000	##FFFFFF
##173172	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A74

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173172;
/* rgb */ color: rgb(23, 49, 114);
/* oklch */ color: oklch(33.6% 0.117 264.4);

Tailwind

colors: {
  custom: {
    50: '#63689b',
    500: '#173172',
    950: '#000000',
  },
}

SCSS

$custom: #173172;
$custom-light: #63689b;
$custom-dark: #000000;

JSON

{
  "hex": "#173172",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 114
  },
  "hsl": {
    "h": 222.857,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33562,
    "c": 0.11689,
    "h": 264.4
  },
  "luminance": 0.03594
}

Semantic roles & 50–950 ramp

primary

#173172

secondary

#A8893D

accent

#B93EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173172

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

Preview Lab → · Contrast checker → · Palette generator →