#3171C5#3171C5

#3171C5 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 55.1% C 0.146 H 256.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3171C5
RGB	rgb(49, 113, 197)
HSL	hsl(214, 60%, 48%)
HSV	hsv(214, 75%, 77%)
CMYK	cmyk(75.1%, 42.6%, 0%, 22.7%)
CIE-LAB	lab(47.61, 8.87, -49.69)
CIE-LCH	lch(47.61, 50.47, 280.12°)
OKLab	oklab(55.08% -0.0342 -0.1421)
OKLCH	oklch(55.08% 0.146 256.5)
XYZ	xyz(17.2461, 16.4925, 55.0869)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171C5 #C58531

analogous

#31BBC5 #3171C5 #3B31C5

triadic

#3171C5 #C53171 #71C531

tetradic

#3171C5 #C531BB #C58531 #31C53B

square

#3171C5 #C531BB #C58531 #31C53B

split-complementary

#3171C5 #C53B31 #BBC531

monochromatic

#193963 #255594 #3171C5 #5D91D7 #8EB2E3

Accessibility & contrast

On white

4.89

#3171C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3171C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171C5

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171C5	#FFFFFF	#000000	##FFFFFF
##3171C5	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4878C8

Deuteranopia (green-blind)

#2D6BC3

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3171c5;
/* rgb */ color: rgb(49, 113, 197);
/* oklch */ color: oklch(55.1% 0.146 256.5);

Tailwind

colors: {
  custom: {
    50: '#7d99d7',
    500: '#3171c5',
    950: '#000000',
  },
}

SCSS

$custom: #3171c5;
$custom-light: #7d99d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3171c5",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 197
  },
  "hsl": {
    "h": 214.054,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55076,
    "c": 0.14621,
    "h": 256.5
  },
  "luminance": 0.16494
}

Semantic roles & 50–950 ramp

primary

#3171C5

secondary

#CDAE85

accent

#9F44E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3171C5

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

Preview Lab → · Contrast checker → · Palette generator →