#3687A0#3687A0

#3687A0 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.4% C 0.086 H 221.7°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3687A0
RGB	rgb(54, 135, 160)
HSL	hsl(194, 50%, 42%)
HSV	hsv(194, 66%, 63%)
CMYK	cmyk(66.3%, 15.6%, 0%, 37.3%)
CIE-LAB	lab(52.56, -16.45, -20.55)
CIE-LCH	lch(52.56, 26.32, 231.33°)
OKLab	oklab(58.44% -0.0644 -0.0573)
OKLCH	oklch(58.44% 0.086 221.7)
XYZ	xyz(16.5279, 20.6485, 36.3654)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3687A0 #A04F36

analogous

#36A084 #3687A0 #3652A0

triadic

#3687A0 #A03687 #87A036

tetradic

#3687A0 #8436A0 #A04F36 #52A036

square

#3687A0 #8436A0 #A04F36 #52A036

split-complementary

#3687A0 #A03652 #A08436

monochromatic

#173A44 #276072 #3687A0 #4FA8C4 #7DBFD3

Accessibility & contrast

On white

4.09

#3687A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3687A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687A0

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3687A0	#FFFFFF	#000000	##000000
##3687A0	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7884A1

Deuteranopia (green-blind)

#6979A0

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3687a0;
/* rgb */ color: rgb(54, 135, 160);
/* oklch */ color: oklch(58.4% 0.086 221.7);

Tailwind

colors: {
  custom: {
    50: '#79aabc',
    500: '#3687a0',
    950: '#000000',
  },
}

SCSS

$custom: #3687a0;
$custom-light: #79aabc;
$custom-dark: #000000;

JSON

{
  "hex": "#3687a0",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 160
  },
  "hsl": {
    "h": 194.151,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5844,
    "c": 0.08619,
    "h": 221.7
  },
  "luminance": 0.2065
}

Semantic roles & 50–950 ramp

primary

#3687A0

secondary

#BC8675

accent

#6F4FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3687A0

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

Preview Lab → · Contrast checker → · Palette generator →