#3677BE#3677BE

#3677BE is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.129 H 252.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3677BE
RGB	rgb(54, 119, 190)
HSL	hsl(211, 56%, 48%)
HSV	hsv(211, 72%, 75%)
CMYK	cmyk(71.6%, 37.4%, 0%, 25.5%)
CIE-LAB	lab(49.12, 3.25, -43.25)
CIE-LCH	lch(49.12, 43.37, 274.30°)
OKLab	oklab(56.17% -0.0381 -0.1231)
OKLCH	oklch(56.17% 0.129 252.8)
XYZ	xyz(17.4090, 17.6937, 51.2030)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677BE #BE7D36

analogous

#36BBBE #3677BE #3936BE

triadic

#3677BE #BE3677 #77BE36

tetradic

#3677BE #BE36BB #BE7D36 #36BE39

square

#3677BE #BE36BB #BE7D36 #36BE39

split-complementary

#3677BE #BE3936 #BBBE36

monochromatic

#1B3B5F #28598E #3677BE #6096D2 #8FB5DF

Accessibility & contrast

On white

4.63

#3677BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3677BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3677BE

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677BE	#FFFFFF	#000000	##FFFFFF
##3677BE	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC1

Deuteranopia (green-blind)

#426FBD

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3677be;
/* rgb */ color: rgb(54, 119, 190);
/* oklch */ color: oklch(56.2% 0.129 252.8);

Tailwind

colors: {
  custom: {
    50: '#7e9dd2',
    500: '#3677be',
    950: '#000000',
  },
}

SCSS

$custom: #3677be;
$custom-light: #7e9dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3677be",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 190
  },
  "hsl": {
    "h": 211.324,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56169,
    "c": 0.12885,
    "h": 252.8
  },
  "luminance": 0.17696
}

Semantic roles & 50–950 ramp

primary

#3677BE

secondary

#CAA986

accent

#9749DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3677BE

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

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