#3680BD#3680BD

#3680BD is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.119 H 246.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3680BD
RGB	rgb(54, 128, 189)
HSL	hsl(207, 56%, 48%)
HSV	hsv(207, 71%, 74%)
CMYK	cmyk(71.4%, 32.3%, 0%, 25.9%)
CIE-LAB	lab(51.72, -2.53, -38.57)
CIE-LCH	lch(51.72, 38.65, 266.25°)
OKLab	oklab(58.19% -0.047 -0.1093)
OKLCH	oklch(58.19% 0.119 246.7)
XYZ	xyz(18.4223, 19.8947, 51.0034)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680BD #BD7336

analogous

#36BDB7 #3680BD #363CBD

triadic

#3680BD #BD3680 #80BD36

tetradic

#3680BD #B736BD #BD7336 #3CBD36

square

#3680BD #B736BD #BD7336 #3CBD36

split-complementary

#3680BD #BD363C #BDB736

monochromatic

#1B405E #28608D #3680BD #5F9ED1 #8FBBDF

Accessibility & contrast

On white

4.22

#3680BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3680BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680BD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680BD	#FFFFFF	#000000	##000000
##3680BD	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C0

Deuteranopia (green-blind)

#5176BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3680bd;
/* rgb */ color: rgb(54, 128, 189);
/* oklch */ color: oklch(58.2% 0.119 246.7);

Tailwind

colors: {
  custom: {
    50: '#7da4d1',
    500: '#3680bd',
    950: '#000000',
  },
}

SCSS

$custom: #3680bd;
$custom-light: #7da4d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3680bd",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 189
  },
  "hsl": {
    "h": 207.111,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58189,
    "c": 0.11899,
    "h": 246.7
  },
  "luminance": 0.19897
}

Semantic roles & 50–950 ramp

primary

#3680BD

secondary

#C9A485

accent

#8D49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3680BD

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

Preview Lab → · Contrast checker → · Palette generator →