#3680BE#3680BE

#3680BE is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.120 H 247.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3680BE
RGB	rgb(54, 128, 190)
HSL	hsl(207, 56%, 48%)
HSV	hsv(207, 72%, 75%)
CMYK	cmyk(71.6%, 32.6%, 0%, 25.5%)
CIE-LAB	lab(51.77, -2.17, -39.07)
CIE-LCH	lch(51.77, 39.13, 266.82°)
OKLab	oklab(58.24% -0.0467 -0.1107)
OKLCH	oklch(58.24% 0.12 247.1)
XYZ	xyz(18.5312, 19.9383, 51.5770)
Luminance	0.1994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680BE #BE7436

analogous

#36BEB8 #3680BE #363CBE

triadic

#3680BE #BE3680 #80BE36

tetradic

#3680BE #B836BE #BE7436 #3CBE36

square

#3680BE #B836BE #BE7436 #3CBE36

split-complementary

#3680BE #BE363C #BEB836

monochromatic

#1B405F #28608E #3680BE #609ED2 #8FBBDF

Accessibility & contrast

On white

4.21

#3680BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3680BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680BE

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680BE	#FFFFFF	#000000	##000000
##3680BE	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C1

Deuteranopia (green-blind)

#5176BD

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3680be;
/* rgb */ color: rgb(54, 128, 190);
/* oklch */ color: oklch(58.2% 0.120 247.1);

Tailwind

colors: {
  custom: {
    50: '#7ea4d2',
    500: '#3680be',
    950: '#000000',
  },
}

SCSS

$custom: #3680be;
$custom-light: #7ea4d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3680be",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 190
  },
  "hsl": {
    "h": 207.353,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58244,
    "c": 0.12021,
    "h": 247.1
  },
  "luminance": 0.1994
}

Semantic roles & 50–950 ramp

primary

#3680BE

secondary

#CAA586

accent

#8D49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3680BE

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

Preview Lab → · Contrast checker → · Palette generator →