#3679B8#3679B8

#3679B8 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.119 H 249.6°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3679B8
RGB	rgb(54, 121, 184)
HSL	hsl(209, 55%, 47%)
HSV	hsv(209, 71%, 72%)
CMYK	cmyk(70.7%, 34.2%, 0%, 27.8%)
CIE-LAB	lab(49.40, -0.13, -39.36)
CIE-LCH	lch(49.40, 39.36, 269.81°)
OKLab	oklab(56.28% -0.0416 -0.1117)
OKLCH	oklch(56.28% 0.119 249.6)
XYZ	xyz(17.0072, 17.9179, 47.9003)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679B8 #B87536

analogous

#36B8B6 #3679B8 #3638B8

triadic

#3679B8 #B83679 #79B836

tetradic

#3679B8 #B636B8 #B87536 #38B836

square

#3679B8 #B636B8 #B87536 #38B836

split-complementary

#3679B8 #B83638 #B8B636

monochromatic

#1A3B59 #285A89 #3679B8 #5C97CF #8BB5DD

Accessibility & contrast

On white

4.58

#3679B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3679B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679B8

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679B8	#FFFFFF	#000000	##000000
##3679B8	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7CBB

Deuteranopia (green-blind)

#4A70B7

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3679b8;
/* rgb */ color: rgb(54, 121, 184);
/* oklch */ color: oklch(56.3% 0.119 249.6);

Tailwind

colors: {
  custom: {
    50: '#7c9fcd',
    500: '#3679b8',
    950: '#000000',
  },
}

SCSS

$custom: #3679b8;
$custom-light: #7c9fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3679b8",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 184
  },
  "hsl": {
    "h": 209.077,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56281,
    "c": 0.11919,
    "h": 249.6
  },
  "luminance": 0.1792
}

Semantic roles & 50–950 ramp

primary

#3679B8

secondary

#C7A482

accent

#924ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3679B8

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

Preview Lab → · Contrast checker → · Palette generator →