#173266#173266

#173266 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.097 H 261.9°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#173266
RGB	rgb(23, 50, 102)
HSL	hsl(219, 63%, 25%)
HSV	hsv(219, 77%, 40%)
CMYK	cmyk(77.5%, 51%, 0%, 60%)
CIE-LAB	lab(21.66, 10.00, -33.61)
CIE-LCH	lch(21.66, 35.06, 286.57°)
OKLab	oklab(32.8% -0.0137 -0.0965)
OKLCH	oklch(32.8% 0.097 261.9)
XYZ	xyz(3.8914, 3.4222, 13.0233)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173266 #664B17

analogous

#175A66 #173266 #241766

triadic

#173266 #661732 #326617

tetradic

#173266 #66175A #664B17 #176624

square

#173266 #66175A #664B17 #176624

split-complementary

#173266 #662417 #5A6617

monochromatic

#060C19 #0C1A34 #173266 #224A98 #2E63CA

Accessibility & contrast

On white

12.47

#173266 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#173266 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173266

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173266	#FFFFFF	#000000	##FFFFFF
##173266	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153868

Deuteranopia (green-blind)

#013165

Tritanopia (blue-blind)

#003E47

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173266;
/* rgb */ color: rgb(23, 50, 102);
/* oklch */ color: oklch(32.8% 0.097 261.9);

Tailwind

colors: {
  custom: {
    50: '#606992',
    500: '#173266',
    950: '#000000',
  },
}

SCSS

$custom: #173266;
$custom-light: #606992;
$custom-dark: #000000;

JSON

{
  "hex": "#173266",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 102
  },
  "hsl": {
    "h": 219.494,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.32799,
    "c": 0.09743,
    "h": 261.9
  },
  "luminance": 0.03423
}

Semantic roles & 50–950 ramp

primary

#173266

secondary

#9C7C3C

accent

#AE42E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #173266

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

Preview Lab → · Contrast checker → · Palette generator →