#3679B7#3679B7

#3679B7 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.2% C 0.118 H 249.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3679B7
RGB	rgb(54, 121, 183)
HSL	hsl(209, 54%, 46%)
HSV	hsv(209, 70%, 72%)
CMYK	cmyk(70.5%, 33.9%, 0%, 28.2%)
CIE-LAB	lab(49.35, -0.49, -38.86)
CIE-LCH	lch(49.35, 38.86, 269.28°)
OKLab	oklab(56.22% -0.0419 -0.1102)
OKLCH	oklch(56.22% 0.118 249.2)
XYZ	xyz(16.9027, 17.8761, 47.3502)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679B7 #B77436

analogous

#36B7B5 #3679B7 #3639B7

triadic

#3679B7 #B73679 #79B736

tetradic

#3679B7 #B536B7 #B77436 #39B736

square

#3679B7 #B536B7 #B77436 #39B736

split-complementary

#3679B7 #B73639 #B7B536

monochromatic

#1A3B58 #285A88 #3679B7 #5B97CF #8BB5DD

Accessibility & contrast

On white

4.59

#3679B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3679B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3679B7

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679B7	#FFFFFF	#000000	##FFFFFF
##3679B7	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7CBA

Deuteranopia (green-blind)

#4B70B6

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3679b7;
/* rgb */ color: rgb(54, 121, 183);
/* oklch */ color: oklch(56.2% 0.118 249.2);

Tailwind

colors: {
  custom: {
    50: '#7c9fcd',
    500: '#3679b7',
    950: '#000000',
  },
}

SCSS

$custom: #3679b7;
$custom-light: #7c9fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3679b7",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 183
  },
  "hsl": {
    "h": 208.837,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56224,
    "c": 0.11793,
    "h": 249.2
  },
  "luminance": 0.17878
}

Semantic roles & 50–950 ramp

primary

#3679B7

secondary

#C7A382

accent

#914ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3679B7

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

Preview Lab → · Contrast checker → · Palette generator →