#3681C4#3681C4

#3681C4 is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 58.8% C 0.127 H 248.7°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3681C4
RGB	rgb(54, 129, 196)
HSL	hsl(208, 57%, 49%)
HSV	hsv(208, 72%, 77%)
CMYK	cmyk(72.4%, 34.2%, 0%, 23.1%)
CIE-LAB	lab(52.36, -0.62, -41.56)
CIE-LCH	lch(52.36, 41.56, 269.14°)
OKLab	oklab(58.81% -0.046 -0.118)
OKLCH	oklch(58.81% 0.127 248.7)
XYZ	xyz(19.3316, 20.4681, 55.1458)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681C4 #C47936

analogous

#36C4C0 #3681C4 #363AC4

triadic

#3681C4 #C43681 #81C436

tetradic

#3681C4 #C036C4 #C47936 #3AC436

square

#3681C4 #C036C4 #C47936 #3AC436

split-complementary

#3681C4 #C4363A #C4C036

monochromatic

#1C4264 #296194 #3681C4 #639FD4 #93BCE1

Accessibility & contrast

On white

4.12

#3681C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3681C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681C4

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681C4	#FFFFFF	#000000	##000000
##3681C4	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6384C7

Deuteranopia (green-blind)

#4E77C3

Tritanopia (blue-blind)

#009199

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3681c4;
/* rgb */ color: rgb(54, 129, 196);
/* oklch */ color: oklch(58.8% 0.127 248.7);

Tailwind

colors: {
  custom: {
    50: '#7fa5d6',
    500: '#3681c4',
    950: '#000000',
  },
}

SCSS

$custom: #3681c4;
$custom-light: #7fa5d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3681c4",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 196
  },
  "hsl": {
    "h": 208.31,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5881,
    "c": 0.12665,
    "h": 248.7
  },
  "luminance": 0.2047
}

Semantic roles & 50–950 ramp

primary

#3681C4

secondary

#CCA989

accent

#9048E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3681C4

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

Preview Lab → · Contrast checker → · Palette generator →