#3173C0#3173C0

#3173C0 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.137 H 254.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3173C0
RGB	rgb(49, 115, 192)
HSL	hsl(212, 59%, 47%)
HSV	hsv(212, 74%, 75%)
CMYK	cmyk(74.5%, 40.1%, 0%, 24.7%)
CIE-LAB	lab(47.90, 5.76, -46.35)
CIE-LCH	lch(47.90, 46.70, 277.09°)
OKLab	oklab(55.21% -0.0371 -0.1323)
OKLCH	oklch(55.21% 0.137 254.3)
XYZ	xyz(16.9083, 16.7183, 52.1948)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173C0 #C07E31

analogous

#31BAC0 #3173C0 #3731C0

triadic

#3173C0 #C03173 #73C031

tetradic

#3173C0 #C031BA #C07E31 #31C037

square

#3173C0 #C031BA #C07E31 #31C037

split-complementary

#3173C0 #C03731 #BAC031

monochromatic

#18395E #25568F #3173C0 #5992D5 #8AB2E1

Accessibility & contrast

On white

4.83

#3173C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3173C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173C0

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173C0	#FFFFFF	#000000	##FFFFFF
##3173C0	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E79C3

Deuteranopia (green-blind)

#376CBE

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3173c0;
/* rgb */ color: rgb(49, 115, 192);
/* oklch */ color: oklch(55.2% 0.137 254.3);

Tailwind

colors: {
  custom: {
    50: '#7c9ad3',
    500: '#3173c0',
    950: '#000000',
  },
}

SCSS

$custom: #3173c0;
$custom-light: #7c9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3173c0",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 192
  },
  "hsl": {
    "h": 212.308,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55207,
    "c": 0.13741,
    "h": 254.3
  },
  "luminance": 0.1672
}

Semantic roles & 50–950 ramp

primary

#3173C0

secondary

#CBA982

accent

#9A45E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3173C0

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

Preview Lab → · Contrast checker → · Palette generator →