#3679BC#3679BC

#3679BC is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.124 H 251.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3679BC
RGB	rgb(54, 121, 188)
HSL	hsl(210, 55%, 47%)
HSV	hsv(210, 71%, 74%)
CMYK	cmyk(71.3%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(49.60, 1.31, -41.34)
CIE-LCH	lch(49.60, 41.36, 271.82°)
OKLab	oklab(56.51% -0.0405 -0.1175)
OKLCH	oklch(56.51% 0.124 251)
XYZ	xyz(17.4324, 18.0880, 50.1398)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679BC #BC7936

analogous

#36BCBC #3679BC #3636BC

triadic

#3679BC #BC3679 #79BC36

tetradic

#3679BC #BC36BC #BC7936 #36BC36

square

#3679BC #BC36BC #BC7936 #36BC36

split-complementary

#3679BC #BC3636 #BCBC36

monochromatic

#1B3C5D #285A8C #3679BC #5E98D1 #8EB6DF

Accessibility & contrast

On white

4.55

#3679BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3679BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679BC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679BC	#FFFFFF	#000000	##000000
##3679BC	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#4770BB

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3679bc;
/* rgb */ color: rgb(54, 121, 188);
/* oklch */ color: oklch(56.5% 0.124 251.0);

Tailwind

colors: {
  custom: {
    50: '#7d9fd0',
    500: '#3679bc',
    950: '#000000',
  },
}

SCSS

$custom: #3679bc;
$custom-light: #7d9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3679bc",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 210,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5651,
    "c": 0.12426,
    "h": 251
  },
  "luminance": 0.1809
}

Semantic roles & 50–950 ramp

primary

#3679BC

secondary

#C9A785

accent

#9449DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3679BC

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

Preview Lab → · Contrast checker → · Palette generator →