#3686B9#3686B9

#3686B9 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.4% C 0.110 H 240.4°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3686B9
RGB	rgb(54, 134, 185)
HSL	hsl(203, 55%, 47%)
HSV	hsv(203, 71%, 73%)
CMYK	cmyk(70.8%, 27.6%, 0%, 27.5%)
CIE-LAB	lab(53.31, -7.44, -33.77)
CIE-LCH	lch(53.31, 34.59, 257.57°)
OKLab	oklab(59.39% -0.0542 -0.0953)
OKLCH	oklch(59.39% 0.11 240.4)
XYZ	xyz(18.8000, 21.3352, 49.0168)
Luminance	0.2134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3686B9 #B96936

analogous

#36B9AB #3686B9 #3644B9

triadic

#3686B9 #B93686 #86B936

tetradic

#3686B9 #AB36B9 #B96936 #44B936

square

#3686B9 #AB36B9 #B96936 #44B936

split-complementary

#3686B9 #B93644 #B9AB36

monochromatic

#1A415A #28648A #3686B9 #5DA3D0 #8CBEDD

Accessibility & contrast

On white

3.99

#3686B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3686B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3686B9

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3686B9	#FFFFFF	#000000	##000000
##3686B9	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)

#6E86BB

Deuteranopia (green-blind)

#5C7AB8

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3686b9;
/* rgb */ color: rgb(54, 134, 185);
/* oklch */ color: oklch(59.4% 0.110 240.4);

Tailwind

colors: {
  custom: {
    50: '#7da9ce',
    500: '#3686b9',
    950: '#000000',
  },
}

SCSS

$custom: #3686b9;
$custom-light: #7da9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3686b9",
  "rgb": {
    "r": 54,
    "g": 134,
    "b": 185
  },
  "hsl": {
    "h": 203.359,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59387,
    "c": 0.10965,
    "h": 240.4
  },
  "luminance": 0.21337
}

Semantic roles & 50–950 ramp

primary

#3686B9

secondary

#C89E83

accent

#834ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3686B9

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

Preview Lab → · Contrast checker → · Palette generator →