#3186BC#3186BC

#3186BC is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.4% C 0.115 H 240.8°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3186BC
RGB	rgb(49, 134, 188)
HSL	hsl(203, 59%, 46%)
HSV	hsv(203, 74%, 74%)
CMYK	cmyk(73.9%, 28.7%, 0%, 26.3%)
CIE-LAB	lab(53.31, -7.09, -35.51)
CIE-LCH	lch(53.31, 36.21, 258.70°)
OKLab	oklab(59.39% -0.0561 -0.1004)
OKLCH	oklch(59.39% 0.115 240.8)
XYZ	xyz(18.8653, 21.3318, 50.6904)
Luminance	0.2133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3186BC #BC6731

analogous

#31BCAD #3186BC #3141BC

triadic

#3186BC #BC3186 #86BC31

tetradic

#3186BC #AD31BC #BC6731 #41BC31

square

#3186BC #AD31BC #BC6731 #41BC31

split-complementary

#3186BC #BC3141 #BCAD31

monochromatic

#18415B #24638B #3186BC #57A3D3 #88BEE0

Accessibility & contrast

On white

3.99

#3186BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3186BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3186BC

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3186BC	#FFFFFF	#000000	##000000
##3186BC	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D87BE

Deuteranopia (green-blind)

#5A79BB

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3186bc;
/* rgb */ color: rgb(49, 134, 188);
/* oklch */ color: oklch(59.4% 0.115 240.8);

Tailwind

colors: {
  custom: {
    50: '#7ca9d0',
    500: '#3186bc',
    950: '#000000',
  },
}

SCSS

$custom: #3186bc;
$custom-light: #7ca9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3186bc",
  "rgb": {
    "r": 49,
    "g": 134,
    "b": 188
  },
  "hsl": {
    "h": 203.309,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5939,
    "c": 0.11496,
    "h": 240.8
  },
  "luminance": 0.21334
}

Semantic roles & 50–950 ramp

primary

#3186BC

secondary

#CA9C7F

accent

#8346E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3186BC

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

Preview Lab → · Contrast checker → · Palette generator →