#3173A5#3173A5

#3173A5 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.6% C 0.103 H 244.5°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3173A5
RGB	rgb(49, 115, 165)
HSL	hsl(206, 54%, 42%)
HSV	hsv(206, 70%, 65%)
CMYK	cmyk(70.3%, 30.3%, 0%, 35.3%)
CIE-LAB	lab(46.48, -4.11, -32.91)
CIE-LCH	lch(46.48, 33.16, 262.89°)
OKLab	oklab(53.63% -0.0445 -0.093)
OKLCH	oklch(53.63% 0.103 244.5)
XYZ	xyz(14.1863, 15.6295, 37.8592)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173A5 #A56331

analogous

#31A59D #3173A5 #3139A5

triadic

#3173A5 #A53173 #73A531

tetradic

#3173A5 #9D31A5 #A56331 #39A531

square

#3173A5 #9D31A5 #A56331 #39A531

split-complementary

#3173A5 #A53139 #A59D31

monochromatic

#153147 #235276 #3173A5 #4A92C9 #79AFD7

Accessibility & contrast

On white

5.09

#3173A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3173A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173A5

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173A5	#FFFFFF	#000000	##FFFFFF
##3173A5	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C74A7

Deuteranopia (green-blind)

#4C69A4

Tritanopia (blue-blind)

#007F85

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3173a5;
/* rgb */ color: rgb(49, 115, 165);
/* oklch */ color: oklch(53.6% 0.103 244.5);

Tailwind

colors: {
  custom: {
    50: '#779bc0',
    500: '#3173a5',
    950: '#000000',
  },
}

SCSS

$custom: #3173a5;
$custom-light: #779bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#3173a5",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 165
  },
  "hsl": {
    "h": 205.862,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.53631,
    "c": 0.1031,
    "h": 244.5
  },
  "luminance": 0.15631
}

Semantic roles & 50–950 ramp

primary

#3173A5

secondary

#C09472

accent

#8A4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3173A5

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

Preview Lab → · Contrast checker → · Palette generator →