#173372#173372

#173372 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.114 H 263.5°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#173372
RGB	rgb(23, 51, 114)
HSL	hsl(222, 66%, 27%)
HSV	hsv(222, 80%, 45%)
CMYK	cmyk(79.8%, 55.3%, 0%, 55.3%)
CIE-LAB	lab(22.88, 14.29, -39.39)
CIE-LCH	lch(22.88, 41.90, 289.94°)
OKLab	oklab(34.02% -0.013 -0.1134)
OKLCH	oklch(34.02% 0.114 263.5)
XYZ	xyz(4.5734, 3.7642, 16.4019)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173372 #725617

analogous

#176172 #173372 #281772

triadic

#173372 #721733 #337217

tetradic

#173372 #721761 #725617 #177228

square

#173372 #721761 #725617 #177228

split-complementary

#173372 #722817 #617217

monochromatic

#050B19 #0D1C3F #173372 #214AA5 #2E62D5

Accessibility & contrast

On white

11.98

#173372 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#173372 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173372

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173372	#FFFFFF	#000000	##FFFFFF
##173372	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063B74

Deuteranopia (green-blind)

#003371

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173372;
/* rgb */ color: rgb(23, 51, 114);
/* oklch */ color: oklch(34.0% 0.114 263.5);

Tailwind

colors: {
  custom: {
    50: '#636a9b',
    500: '#173372',
    950: '#000000',
  },
}

SCSS

$custom: #173372;
$custom-light: #636a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#173372",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 114
  },
  "hsl": {
    "h": 221.538,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34015,
    "c": 0.11419,
    "h": 263.5
  },
  "luminance": 0.03765
}

Semantic roles & 50–950 ramp

primary

#173372

secondary

#A8873D

accent

#B53EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173372

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

Preview Lab → · Contrast checker → · Palette generator →