#3684BE#3684BE

#3684BE is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.2% C 0.117 H 244.3°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3684BE
RGB	rgb(54, 132, 190)
HSL	hsl(206, 56%, 48%)
HSV	hsv(206, 72%, 75%)
CMYK	cmyk(71.6%, 30.5%, 0%, 25.5%)
CIE-LAB	lab(52.95, -4.53, -37.20)
CIE-LCH	lch(52.95, 37.48, 263.06°)
OKLab	oklab(59.18% -0.0507 -0.1053)
OKLCH	oklch(59.18% 0.117 244.3)
XYZ	xyz(19.0633, 21.0024, 51.7544)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684BE #BE7036

analogous

#36BEB4 #3684BE #3640BE

triadic

#3684BE #BE3684 #84BE36

tetradic

#3684BE #B436BE #BE7036 #40BE36

square

#3684BE #B436BE #BE7036 #40BE36

split-complementary

#3684BE #BE3640 #BEB436

monochromatic

#1B425F #28638E #3684BE #60A1D2 #8FBDDF

Accessibility & contrast

On white

4.04

#3684BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3684BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684BE

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684BE	#FFFFFF	#000000	##000000
##3684BE	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A86C1

Deuteranopia (green-blind)

#5779BD

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3684be;
/* rgb */ color: rgb(54, 132, 190);
/* oklch */ color: oklch(59.2% 0.117 244.3);

Tailwind

colors: {
  custom: {
    50: '#7ea7d2',
    500: '#3684be',
    950: '#000000',
  },
}

SCSS

$custom: #3684be;
$custom-light: #7ea7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3684be",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 190
  },
  "hsl": {
    "h": 205.588,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.59178,
    "c": 0.11683,
    "h": 244.3
  },
  "luminance": 0.21005
}

Semantic roles & 50–950 ramp

primary

#3684BE

secondary

#CAA386

accent

#8949DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3684BE

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

Preview Lab → · Contrast checker → · Palette generator →