#3679D3#3679D3

#3679D3 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.9% C 0.154 H 256.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3679D3
RGB	rgb(54, 121, 211)
HSL	hsl(214, 64%, 52%)
HSV	hsv(214, 74%, 83%)
CMYK	cmyk(74.4%, 42.7%, 0%, 17.3%)
CIE-LAB	lab(50.87, 9.70, -52.46)
CIE-LCH	lch(50.87, 53.35, 280.48°)
OKLab	oklab(57.91% -0.0351 -0.1501)
OKLCH	oklch(57.91% 0.154 256.8)
XYZ	xyz(20.1122, 19.1599, 64.2536)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679D3 #D39036

analogous

#36C8D3 #3679D3 #4236D3

triadic

#3679D3 #D33679 #79D336

tetradic

#3679D3 #D336C8 #D39036 #36D342

square

#3679D3 #D336C8 #D39036 #36D342

split-complementary

#3679D3 #D34236 #C8D336

monochromatic

#1A4175 #255CA7 #3679D3 #689ADE #9ABCE9

Accessibility & contrast

On white

4.35

#3679D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3679D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679D3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679D3	#FFFFFF	#000000	##000000
##3679D3	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D81D6

Deuteranopia (green-blind)

#3072D1

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3679d3;
/* rgb */ color: rgb(54, 121, 211);
/* oklch */ color: oklch(57.9% 0.154 256.8);

Tailwind

colors: {
  custom: {
    50: '#829fe1',
    500: '#3679d3',
    950: '#000000',
  },
}

SCSS

$custom: #3679d3;
$custom-light: #829fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#3679d3",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 211
  },
  "hsl": {
    "h": 214.395,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57914,
    "c": 0.15414,
    "h": 256.8
  },
  "luminance": 0.19162
}

Semantic roles & 50–950 ramp

primary

#3679D3

secondary

#D5B790

accent

#A041E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3679D3

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

Preview Lab → · Contrast checker → · Palette generator →