#3679BE#3679BE

#3679BE is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.6% C 0.127 H 251.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3679BE
RGB	rgb(54, 121, 190)
HSL	hsl(210, 56%, 48%)
HSV	hsv(210, 72%, 75%)
CMYK	cmyk(71.6%, 36.3%, 0%, 25.5%)
CIE-LAB	lab(49.71, 2.03, -42.32)
CIE-LCH	lch(49.71, 42.37, 272.75°)
OKLab	oklab(56.63% -0.04 -0.1203)
OKLCH	oklch(56.63% 0.127 251.6)
XYZ	xyz(17.6495, 18.1748, 51.2831)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679BE #BE7B36

analogous

#36BDBE #3679BE #3736BE

triadic

#3679BE #BE3679 #79BE36

tetradic

#3679BE #BE36BD #BE7B36 #36BE37

square

#3679BE #BE36BD #BE7B36 #36BE37

split-complementary

#3679BE #BE3736 #BDBE36

monochromatic

#1B3C5F #285B8E #3679BE #6098D2 #8FB7DF

Accessibility & contrast

On white

4.53

#3679BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3679BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679BE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679BE	#FFFFFF	#000000	##000000
##3679BE	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC1

Deuteranopia (green-blind)

#4670BD

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3679be;
/* rgb */ color: rgb(54, 121, 190);
/* oklch */ color: oklch(56.6% 0.127 251.6);

Tailwind

colors: {
  custom: {
    50: '#7e9fd2',
    500: '#3679be',
    950: '#000000',
  },
}

SCSS

$custom: #3679be;
$custom-light: #7e9fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3679be",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 190
  },
  "hsl": {
    "h": 210.441,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56626,
    "c": 0.12682,
    "h": 251.6
  },
  "luminance": 0.18177
}

Semantic roles & 50–950 ramp

primary

#3679BE

secondary

#CAA886

accent

#9549DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3679BE

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

Preview Lab → · Contrast checker → · Palette generator →