#3687CA#3687CA

#3687CA is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.5% C 0.129 H 247.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3687CA
RGB	rgb(54, 135, 202)
HSL	hsl(207, 58%, 50%)
HSV	hsv(207, 73%, 79%)
CMYK	cmyk(73.3%, 33.2%, 0%, 20.8%)
CIE-LAB	lab(54.42, -2.03, -41.71)
CIE-LCH	lch(54.42, 41.76, 267.21°)
OKLab	oklab(60.53% -0.05 -0.1184)
OKLCH	oklch(60.53% 0.129 247.1)
XYZ	xyz(20.8419, 22.3741, 59.0859)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3687CA #CA7936

analogous

#36CAC3 #3687CA #363DCA

triadic

#3687CA #CA3687 #87CA36

tetradic

#3687CA #C336CA #CA7936 #3DCA36

square

#3687CA #C336CA #CA7936 #3DCA36

split-complementary

#3687CA #CA363D #CAC336

monochromatic

#1C466A #29679A #3687CA #66A4D7 #97C1E4

Accessibility & contrast

On white

3.84

#3687CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3687CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687CA

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3687CA	#FFFFFF	#000000	##000000
##3687CA	1.00	3.84	5.48	5.48
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ACD

Deuteranopia (green-blind)

#537CC9

Tritanopia (blue-blind)

#00979F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3687ca;
/* rgb */ color: rgb(54, 135, 202);
/* oklch */ color: oklch(60.5% 0.129 247.1);

Tailwind

colors: {
  custom: {
    50: '#80a9da',
    500: '#3687ca',
    950: '#000000',
  },
}

SCSS

$custom: #3687ca;
$custom-light: #80a9da;
$custom-dark: #000000;

JSON

{
  "hex": "#3687ca",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 202
  },
  "hsl": {
    "h": 207.162,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.60528,
    "c": 0.12852,
    "h": 247.1
  },
  "luminance": 0.22376
}

Semantic roles & 50–950 ramp

primary

#3687CA

secondary

#CFAB8D

accent

#8D46E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3687CA

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

Preview Lab → · Contrast checker → · Palette generator →