#3686BB#3686BB

#3686BB is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.5% C 0.112 H 241.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3686BB
RGB	rgb(54, 134, 187)
HSL	hsl(204, 55%, 47%)
HSV	hsv(204, 71%, 73%)
CMYK	cmyk(71.1%, 28.3%, 0%, 26.7%)
CIE-LAB	lab(53.41, -6.75, -34.77)
CIE-LCH	lch(53.41, 35.42, 259.02°)
OKLab	oklab(59.49% -0.0536 -0.0982)
OKLCH	oklch(59.49% 0.112 241.4)
XYZ	xyz(19.0126, 21.4202, 50.1366)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3686BB #BB6B36

analogous

#36BBAE #3686BB #3643BB

triadic

#3686BB #BB3686 #86BB36

tetradic

#3686BB #AE36BB #BB6B36 #43BB36

square

#3686BB #AE36BB #BB6B36 #43BB36

split-complementary

#3686BB #BB3643 #BBAE36

monochromatic

#1B425C #28648C #3686BB #5EA3D0 #8DBEDE

Accessibility & contrast

On white

3.97

#3686BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3686BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3686BB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3686BB	#FFFFFF	#000000	##000000
##3686BB	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E87BD

Deuteranopia (green-blind)

#5B7ABA

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3686bb;
/* rgb */ color: rgb(54, 134, 187);
/* oklch */ color: oklch(59.5% 0.112 241.4);

Tailwind

colors: {
  custom: {
    50: '#7da9cf',
    500: '#3686bb',
    950: '#000000',
  },
}

SCSS

$custom: #3686bb;
$custom-light: #7da9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3686bb",
  "rgb": {
    "r": 54,
    "g": 134,
    "b": 187
  },
  "hsl": {
    "h": 203.91,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59491,
    "c": 0.11186,
    "h": 241.4
  },
  "luminance": 0.21422
}

Semantic roles & 50–950 ramp

primary

#3686BB

secondary

#C99F84

accent

#8549DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3686BB

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

Preview Lab → · Contrast checker → · Palette generator →