#3681BE#3681BE

#3681BE is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.5% C 0.119 H 246.4°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3681BE
RGB	rgb(54, 129, 190)
HSL	hsl(207, 56%, 48%)
HSV	hsv(207, 72%, 75%)
CMYK	cmyk(71.6%, 32.1%, 0%, 25.5%)
CIE-LAB	lab(52.06, -2.76, -38.60)
CIE-LCH	lch(52.06, 38.70, 265.90°)
OKLab	oklab(58.48% -0.0477 -0.1094)
OKLCH	oklch(58.48% 0.119 246.4)
XYZ	xyz(18.6623, 20.2004, 51.6207)
Luminance	0.2020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681BE #BE7336

analogous

#36BEB7 #3681BE #363DBE

triadic

#3681BE #BE3681 #81BE36

tetradic

#3681BE #B736BE #BE7336 #3DBE36

square

#3681BE #B736BE #BE7336 #3DBE36

split-complementary

#3681BE #BE363D #BEB736

monochromatic

#1B405F #28618E #3681BE #609ED2 #8FBBDF

Accessibility & contrast

On white

4.17

#3681BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3681BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681BE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681BE	#FFFFFF	#000000	##000000
##3681BE	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583C1

Deuteranopia (green-blind)

#5276BD

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3681be;
/* rgb */ color: rgb(54, 129, 190);
/* oklch */ color: oklch(58.5% 0.119 246.4);

Tailwind

colors: {
  custom: {
    50: '#7ea5d2',
    500: '#3681be',
    950: '#000000',
  },
}

SCSS

$custom: #3681be;
$custom-light: #7ea5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3681be",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 190
  },
  "hsl": {
    "h": 206.912,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58477,
    "c": 0.11934,
    "h": 246.4
  },
  "luminance": 0.20202
}

Semantic roles & 50–950 ramp

primary

#3681BE

secondary

#CAA486

accent

#8C49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3681BE

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

Preview Lab → · Contrast checker → · Palette generator →