#173161#173161

#173161 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.2% C 0.091 H 261.4°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#173161
RGB	rgb(23, 49, 97)
HSL	hsl(219, 62%, 24%)
HSV	hsv(219, 76%, 38%)
CMYK	cmyk(76.3%, 49.5%, 0%, 62%)
CIE-LAB	lab(20.99, 8.63, -31.43)
CIE-LCH	lch(20.99, 32.59, 285.35°)
OKLab	oklab(32.17% -0.0136 -0.0901)
OKLCH	oklch(32.17% 0.091 261.4)
XYZ	xyz(3.6086, 3.2415, 11.7424)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173161 #614717

analogous

#175661 #173161 #221761

triadic

#173161 #611731 #316117

tetradic

#173161 #611756 #614717 #176122

square

#173161 #611756 #614717 #176122

split-complementary

#173161 #612217 #566117

monochromatic

#060C19 #0B1830 #173161 #234A92 #2E63C4

Accessibility & contrast

On white

12.74

#173161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#173161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173161

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173161	#FFFFFF	#000000	##FFFFFF
##173161	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183663

Deuteranopia (green-blind)

#082F60

Tritanopia (blue-blind)

#003C44

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173161;
/* rgb */ color: rgb(23, 49, 97);
/* oklch */ color: oklch(32.2% 0.091 261.4);

Tailwind

colors: {
  custom: {
    50: '#5f688e',
    500: '#173161',
    950: '#000000',
  },
}

SCSS

$custom: #173161;
$custom-light: #5f688e;
$custom-dark: #000000;

JSON

{
  "hex": "#173161",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 97
  },
  "hsl": {
    "h": 218.919,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.32166,
    "c": 0.09109,
    "h": 261.4
  },
  "luminance": 0.03242
}

Semantic roles & 50–950 ramp

primary

#173161

secondary

#98773C

accent

#AC43E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #173161

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

Preview Lab → · Contrast checker → · Palette generator →