#3173C7#3173C7

#3173C7 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.6% C 0.147 H 256.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3173C7
RGB	rgb(49, 115, 199)
HSL	hsl(214, 60%, 49%)
HSV	hsv(214, 75%, 78%)
CMYK	cmyk(75.4%, 42.2%, 0%, 22%)
CIE-LAB	lab(48.31, 8.36, -49.73)
CIE-LCH	lch(48.31, 50.43, 279.55°)
OKLab	oklab(55.65% -0.0355 -0.1422)
OKLCH	oklch(55.65% 0.147 256)
XYZ	xyz(17.7024, 17.0359, 56.3770)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173C7 #C78531

analogous

#31BEC7 #3173C7 #3A31C7

triadic

#3173C7 #C73173 #73C731

tetradic

#3173C7 #C731BE #C78531 #31C73A

square

#3173C7 #C731BE #C78531 #31C73A

split-complementary

#3173C7 #C73A31 #BEC731

monochromatic

#193A65 #255796 #3173C7 #5E93D7 #8FB4E3

Accessibility & contrast

On white

4.76

#3173C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3173C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173C7

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173C7	#FFFFFF	#000000	##FFFFFF
##3173C7	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7ACA

Deuteranopia (green-blind)

#2F6CC5

Tritanopia (blue-blind)

#008793

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3173c7;
/* rgb */ color: rgb(49, 115, 199);
/* oklch */ color: oklch(55.6% 0.147 256.0);

Tailwind

colors: {
  custom: {
    50: '#7d9ad8',
    500: '#3173c7',
    950: '#000000',
  },
}

SCSS

$custom: #3173c7;
$custom-light: #7d9ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3173c7",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 199
  },
  "hsl": {
    "h": 213.6,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5565,
    "c": 0.14662,
    "h": 256
  },
  "luminance": 0.17038
}

Semantic roles & 50–950 ramp

primary

#3173C7

secondary

#CEAE86

accent

#9D44E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3173C7

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

Preview Lab → · Contrast checker → · Palette generator →