#3686BC#3686BC

#3686BC is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.5% C 0.113 H 241.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3686BC
RGB	rgb(54, 134, 188)
HSL	hsl(204, 55%, 47%)
HSV	hsv(204, 71%, 74%)
CMYK	cmyk(71.3%, 28.7%, 0%, 26.3%)
CIE-LAB	lab(53.45, -6.40, -35.27)
CIE-LCH	lch(53.45, 35.85, 259.72°)
OKLab	oklab(59.54% -0.0533 -0.0996)
OKLCH	oklch(59.54% 0.113 241.9)
XYZ	xyz(19.1200, 21.4632, 50.7023)
Luminance	0.2147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3686BC #BC6C36

analogous

#36BCAF #3686BC #3643BC

triadic

#3686BC #BC3686 #86BC36

tetradic

#3686BC #AF36BC #BC6C36 #43BC36

square

#3686BC #AF36BC #BC6C36 #43BC36

split-complementary

#3686BC #BC3643 #BCAF36

monochromatic

#1B425D #28648C #3686BC #5EA3D1 #8EBEDF

Accessibility & contrast

On white

3.97

#3686BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3686BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3686BC

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3686BC	#FFFFFF	#000000	##000000
##3686BC	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D87BE

Deuteranopia (green-blind)

#5B7ABB

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3686bc;
/* rgb */ color: rgb(54, 134, 188);
/* oklch */ color: oklch(59.5% 0.113 241.9);

Tailwind

colors: {
  custom: {
    50: '#7da9d0',
    500: '#3686bc',
    950: '#000000',
  },
}

SCSS

$custom: #3686bc;
$custom-light: #7da9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3686bc",
  "rgb": {
    "r": 54,
    "g": 134,
    "b": 188
  },
  "hsl": {
    "h": 204.179,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59543,
    "c": 0.11299,
    "h": 241.9
  },
  "luminance": 0.21465
}

Semantic roles & 50–950 ramp

primary

#3686BC

secondary

#C9A085

accent

#8549DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3686BC

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

Preview Lab → · Contrast checker → · Palette generator →