#3170BF#3170BF

#3170BF is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.5% C 0.139 H 255.6°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3170BF
RGB	rgb(49, 112, 191)
HSL	hsl(213, 59%, 47%)
HSV	hsv(213, 74%, 75%)
CMYK	cmyk(74.3%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(46.98, 7.26, -47.25)
CIE-LCH	lch(46.98, 47.80, 278.73°)
OKLab	oklab(54.47% -0.0346 -0.135)
OKLCH	oklch(54.47% 0.139 255.6)
XYZ	xyz(16.4613, 16.0010, 51.5011)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170BF #BF8031

analogous

#31B7BF #3170BF #3931BF

triadic

#3170BF #BF3170 #70BF31

tetradic

#3170BF #BF31B7 #BF8031 #31BF39

square

#3170BF #BF31B7 #BF8031 #31BF39

split-complementary

#3170BF #BF3931 #B7BF31

monochromatic

#18375E #25538E #3170BF #5990D4 #8AB0E1

Accessibility & contrast

On white

5.00

#3170BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3170BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170BF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170BF	#FFFFFF	#000000	##FFFFFF
##3170BF	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A76C2

Deuteranopia (green-blind)

#3269BD

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3170bf;
/* rgb */ color: rgb(49, 112, 191);
/* oklch */ color: oklch(54.5% 0.139 255.6);

Tailwind

colors: {
  custom: {
    50: '#7c98d3',
    500: '#3170bf',
    950: '#000000',
  },
}

SCSS

$custom: #3170bf;
$custom-light: #7c98d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3170bf",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 213.38,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54467,
    "c": 0.13938,
    "h": 255.6
  },
  "luminance": 0.16003
}

Semantic roles & 50–950 ramp

primary

#3170BF

secondary

#CBAA81

accent

#9D45E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3170BF

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

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