#3173C1#3173C1

#3173C1 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.139 H 254.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3173C1
RGB	rgb(49, 115, 193)
HSL	hsl(213, 60%, 47%)
HSV	hsv(213, 75%, 76%)
CMYK	cmyk(74.6%, 40.4%, 0%, 24.3%)
CIE-LAB	lab(47.96, 6.13, -46.83)
CIE-LCH	lch(47.96, 47.23, 277.46°)
OKLab	oklab(55.27% -0.0369 -0.1337)
OKLCH	oklch(55.27% 0.139 254.6)
XYZ	xyz(17.0194, 16.7628, 52.7803)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173C1 #C17F31

analogous

#31BBC1 #3173C1 #3731C1

triadic

#3173C1 #C13173 #73C131

tetradic

#3173C1 #C131BB #C17F31 #31C137

square

#3173C1 #C131BB #C17F31 #31C137

split-complementary

#3173C1 #C13731 #BBC131

monochromatic

#18395F #255690 #3173C1 #5A92D5 #8BB3E2

Accessibility & contrast

On white

4.82

#3173C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3173C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173C1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173C1	#FFFFFF	#000000	##FFFFFF
##3173C1	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E79C4

Deuteranopia (green-blind)

#366CBF

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3173c1;
/* rgb */ color: rgb(49, 115, 193);
/* oklch */ color: oklch(55.3% 0.139 254.6);

Tailwind

colors: {
  custom: {
    50: '#7c9ad4',
    500: '#3173c1',
    950: '#000000',
  },
}

SCSS

$custom: #3173c1;
$custom-light: #7c9ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3173c1",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 193
  },
  "hsl": {
    "h": 212.5,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55269,
    "c": 0.13873,
    "h": 254.6
  },
  "luminance": 0.16765
}

Semantic roles & 50–950 ramp

primary

#3173C1

secondary

#CCAA82

accent

#9A45E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3173C1

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

Preview Lab → · Contrast checker → · Palette generator →