#3680C3#3680C3

#3680C3 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.5% C 0.126 H 249.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3680C3
RGB	rgb(54, 128, 195)
HSL	hsl(209, 57%, 49%)
HSV	hsv(209, 72%, 76%)
CMYK	cmyk(72.3%, 34.4%, 0%, 23.5%)
CIE-LAB	lab(52.02, -0.38, -41.53)
CIE-LCH	lch(52.02, 41.53, 269.47°)
OKLab	oklab(58.52% -0.0453 -0.1179)
OKLCH	oklch(58.52% 0.126 249)
XYZ	xyz(19.0871, 20.1606, 54.5046)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680C3 #C37936

analogous

#36C3C0 #3680C3 #3639C3

triadic

#3680C3 #C33680 #80C336

tetradic

#3680C3 #C036C3 #C37936 #39C336

square

#3680C3 #C036C3 #C37936 #39C336

split-complementary

#3680C3 #C33639 #C3C036

monochromatic

#1B4163 #296193 #3680C3 #639ED4 #92BCE1

Accessibility & contrast

On white

4.17

#3680C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3680C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680C3

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680C3	#FFFFFF	#000000	##000000
##3680C3	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6283C6

Deuteranopia (green-blind)

#4D76C2

Tritanopia (blue-blind)

#009098

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3680c3;
/* rgb */ color: rgb(54, 128, 195);
/* oklch */ color: oklch(58.5% 0.126 249.0);

Tailwind

colors: {
  custom: {
    50: '#7fa4d5',
    500: '#3680c3',
    950: '#000000',
  },
}

SCSS

$custom: #3680c3;
$custom-light: #7fa4d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3680c3",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 195
  },
  "hsl": {
    "h": 208.511,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58523,
    "c": 0.12635,
    "h": 249
  },
  "luminance": 0.20163
}

Semantic roles & 50–950 ramp

primary

#3680C3

secondary

#CCA989

accent

#9048E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3680C3

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

Preview Lab → · Contrast checker → · Palette generator →