#3686B8#3686B8

#3686B8 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.3% C 0.109 H 239.8°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3686B8
RGB	rgb(54, 134, 184)
HSL	hsl(203, 55%, 47%)
HSV	hsv(203, 71%, 72%)
CMYK	cmyk(70.7%, 27.2%, 0%, 27.8%)
CIE-LAB	lab(53.27, -7.79, -33.27)
CIE-LCH	lch(53.27, 34.17, 256.82°)
OKLab	oklab(59.34% -0.0546 -0.0938)
OKLCH	oklch(59.34% 0.109 239.8)
XYZ	xyz(18.6948, 21.2931, 48.4628)
Luminance	0.2130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3686B8 #B86836

analogous

#36B8A9 #3686B8 #3645B8

triadic

#3686B8 #B83686 #86B836

tetradic

#3686B8 #A936B8 #B86836 #45B836

square

#3686B8 #A936B8 #B86836 #45B836

split-complementary

#3686B8 #B83645 #B8A936

monochromatic

#1A4159 #286489 #3686B8 #5CA3CF #8BBEDD

Accessibility & contrast

On white

3.99

#3686B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3686B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3686B8

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3686B8	#FFFFFF	#000000	##000000
##3686B8	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F86BA

Deuteranopia (green-blind)

#5D7AB7

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3686b8;
/* rgb */ color: rgb(54, 134, 184);
/* oklch */ color: oklch(59.3% 0.109 239.8);

Tailwind

colors: {
  custom: {
    50: '#7da9cd',
    500: '#3686b8',
    950: '#000000',
  },
}

SCSS

$custom: #3686b8;
$custom-light: #7da9cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3686b8",
  "rgb": {
    "r": 54,
    "g": 134,
    "b": 184
  },
  "hsl": {
    "h": 203.077,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.59336,
    "c": 0.10855,
    "h": 239.8
  },
  "luminance": 0.21295
}

Semantic roles & 50–950 ramp

primary

#3686B8

secondary

#C79D82

accent

#834ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3686B8

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

Preview Lab → · Contrast checker → · Palette generator →