#3170BC#3170BC

#3170BC is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.135 H 254.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3170BC
RGB	rgb(49, 112, 188)
HSL	hsl(213, 59%, 46%)
HSV	hsv(213, 74%, 74%)
CMYK	cmyk(73.9%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(46.80, 6.14, -45.79)
CIE-LCH	lch(46.80, 46.20, 277.64°)
OKLab	oklab(54.28% -0.0353 -0.1307)
OKLCH	oklch(54.28% 0.135 254.9)
XYZ	xyz(16.1345, 15.8703, 49.7801)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170BC #BC7D31

analogous

#31B6BC #3170BC #3831BC

triadic

#3170BC #BC3170 #70BC31

tetradic

#3170BC #BC31B6 #BC7D31 #31BC38

square

#3170BC #BC31B6 #BC7D31 #31BC38

split-complementary

#3170BC #BC3831 #B6BC31

monochromatic

#18365B #24538B #3170BC #578FD3 #88B0E0

Accessibility & contrast

On white

5.03

#3170BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3170BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170BC

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170BC	#FFFFFF	#000000	##FFFFFF
##3170BC	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76BF

Deuteranopia (green-blind)

#3569BA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3170bc;
/* rgb */ color: rgb(49, 112, 188);
/* oklch */ color: oklch(54.3% 0.135 254.9);

Tailwind

colors: {
  custom: {
    50: '#7b98d0',
    500: '#3170bc',
    950: '#000000',
  },
}

SCSS

$custom: #3170bc;
$custom-light: #7b98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3170bc",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 212.806,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54277,
    "c": 0.13541,
    "h": 254.9
  },
  "luminance": 0.15872
}

Semantic roles & 50–950 ramp

primary

#3170BC

secondary

#CAA87F

accent

#9B46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3170BC

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

Preview Lab → · Contrast checker → · Palette generator →