#3170BD#3170BD

#3170BD is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.137 H 255.1°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3170BD
RGB	rgb(49, 112, 189)
HSL	hsl(213, 59%, 47%)
HSV	hsv(213, 74%, 74%)
CMYK	cmyk(74.1%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(46.86, 6.51, -46.28)
CIE-LCH	lch(46.86, 46.73, 278.01°)
OKLab	oklab(54.34% -0.035 -0.1322)
OKLCH	oklch(54.34% 0.137 255.1)
XYZ	xyz(16.2427, 15.9136, 50.3498)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170BD #BD7E31

analogous

#31B6BD #3170BD #3831BD

triadic

#3170BD #BD3170 #70BD31

tetradic

#3170BD #BD31B6 #BD7E31 #31BD38

square

#3170BD #BD31B6 #BD7E31 #31BD38

split-complementary

#3170BD #BD3831 #B6BD31

monochromatic

#18365C #24538C #3170BD #588FD4 #88B0E0

Accessibility & contrast

On white

5.02

#3170BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3170BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170BD

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170BD	#FFFFFF	#000000	##FFFFFF
##3170BD	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B76C0

Deuteranopia (green-blind)

#3469BB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3170bd;
/* rgb */ color: rgb(49, 112, 189);
/* oklch */ color: oklch(54.3% 0.137 255.1);

Tailwind

colors: {
  custom: {
    50: '#7c98d1',
    500: '#3170bd',
    950: '#000000',
  },
}

SCSS

$custom: #3170bd;
$custom-light: #7c98d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3170bd",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 213,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5434,
    "c": 0.13673,
    "h": 255.1
  },
  "luminance": 0.15915
}

Semantic roles & 50–950 ramp

primary

#3170BD

secondary

#CAA980

accent

#9C46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3170BD

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

Preview Lab → · Contrast checker → · Palette generator →