#173367#173367

#173367 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.1% C 0.098 H 261.5°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#173367
RGB	rgb(23, 51, 103)
HSL	hsl(219, 63%, 25%)
HSV	hsv(219, 78%, 40%)
CMYK	cmyk(77.7%, 50.5%, 0%, 59.6%)
CIE-LAB	lab(22.05, 9.70, -33.64)
CIE-LCH	lch(22.05, 35.01, 286.08°)
OKLab	oklab(33.12% -0.0145 -0.0965)
OKLCH	oklch(33.12% 0.098 261.5)
XYZ	xyz(3.9845, 3.5286, 13.3004)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173367 #674B17

analogous

#175B67 #173367 #231767

triadic

#173367 #671733 #336717

tetradic

#173367 #67175B #674B17 #176723

square

#173367 #67175B #674B17 #176723

split-complementary

#173367 #672317 #5B6717

monochromatic

#060C19 #0C1A35 #173367 #224C99 #2D65CB

Accessibility & contrast

On white

12.31

#173367 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#173367 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173367

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173367	#FFFFFF	#000000	##FFFFFF
##173367	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173969

Deuteranopia (green-blind)

#023166

Tritanopia (blue-blind)

#003F48

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173367;
/* rgb */ color: rgb(23, 51, 103);
/* oklch */ color: oklch(33.1% 0.098 261.5);

Tailwind

colors: {
  custom: {
    50: '#606a93',
    500: '#173367',
    950: '#000000',
  },
}

SCSS

$custom: #173367;
$custom-light: #606a93;
$custom-dark: #000000;

JSON

{
  "hex": "#173367",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 103
  },
  "hsl": {
    "h": 219,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.33119,
    "c": 0.0976,
    "h": 261.5
  },
  "luminance": 0.03529
}

Semantic roles & 50–950 ramp

primary

#173367

secondary

#9D7B3D

accent

#AD41E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #173367

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

Preview Lab → · Contrast checker → · Palette generator →