#3680C6#3680C6

#3680C6 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.130 H 250.0°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3680C6
RGB	rgb(54, 128, 198)
HSL	hsl(209, 57%, 49%)
HSV	hsv(209, 73%, 78%)
CMYK	cmyk(72.7%, 35.4%, 0%, 22.4%)
CIE-LAB	lab(52.17, 0.70, -43.00)
CIE-LCH	lch(52.17, 43.00, 270.93°)
OKLab	oklab(58.69% -0.0445 -0.1222)
OKLCH	oklch(58.69% 0.13 250)
XYZ	xyz(19.4297, 20.2977, 56.3090)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680C6 #C67C36

analogous

#36C6C4 #3680C6 #3638C6

triadic

#3680C6 #C63680 #80C636

tetradic

#3680C6 #C436C6 #C67C36 #38C636

square

#3680C6 #C436C6 #C67C36 #38C636

split-complementary

#3680C6 #C63638 #C6C436

monochromatic

#1C4266 #296196 #3680C6 #649ED5 #94BCE2

Accessibility & contrast

On white

4.15

#3680C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3680C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680C6

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680C6	#FFFFFF	#000000	##000000
##3680C6	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6084C9

Deuteranopia (green-blind)

#4B76C5

Tritanopia (blue-blind)

#00919A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3680c6;
/* rgb */ color: rgb(54, 128, 198);
/* oklch */ color: oklch(58.7% 0.130 250.0);

Tailwind

colors: {
  custom: {
    50: '#7fa4d7',
    500: '#3680c6',
    950: '#000000',
  },
}

SCSS

$custom: #3680c6;
$custom-light: #7fa4d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3680c6",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 198
  },
  "hsl": {
    "h": 209.167,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58694,
    "c": 0.13009,
    "h": 250
  },
  "luminance": 0.203
}

Semantic roles & 50–950 ramp

primary

#3680C6

secondary

#CDAB8B

accent

#9247E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3680C6

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

Preview Lab → · Contrast checker → · Palette generator →