#3681BA#3681BA

#3681BA is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.115 H 244.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3681BA
RGB	rgb(54, 129, 186)
HSL	hsl(206, 55%, 47%)
HSV	hsv(206, 71%, 73%)
CMYK	cmyk(71%, 30.6%, 0%, 27.1%)
CIE-LAB	lab(51.87, -4.18, -36.61)
CIE-LCH	lch(51.87, 36.85, 263.48°)
OKLab	oklab(58.26% -0.0489 -0.1036)
OKLCH	oklch(58.26% 0.115 244.7)
XYZ	xyz(18.2311, 20.0279, 49.3498)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681BA #BA6F36

analogous

#36BAB1 #3681BA #363FBA

triadic

#3681BA #BA3681 #81BA36

tetradic

#3681BA #B136BA #BA6F36 #3FBA36

square

#3681BA #B136BA #BA6F36 #3FBA36

split-complementary

#3681BA #BA363F #BAB136

monochromatic

#1A3F5B #28608B #3681BA #5D9ED0 #8DBBDE

Accessibility & contrast

On white

4.19

#3681BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#3681BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681BA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681BA	#FFFFFF	#000000	##000000
##3681BA	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BC

Deuteranopia (green-blind)

#5576B9

Tritanopia (blue-blind)

#008F95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3681ba;
/* rgb */ color: rgb(54, 129, 186);
/* oklch */ color: oklch(58.3% 0.115 244.7);

Tailwind

colors: {
  custom: {
    50: '#7da5cf',
    500: '#3681ba',
    950: '#000000',
  },
}

SCSS

$custom: #3681ba;
$custom-light: #7da5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3681ba",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 186
  },
  "hsl": {
    "h": 205.909,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5826,
    "c": 0.11456,
    "h": 244.7
  },
  "luminance": 0.2003
}

Semantic roles & 50–950 ramp

primary

#3681BA

secondary

#C8A184

accent

#8A49DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3681BA

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

Preview Lab → · Contrast checker → · Palette generator →