#3679D1#3679D1

#3679D1 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.8% C 0.152 H 256.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3679D1
RGB	rgb(54, 121, 209)
HSL	hsl(214, 63%, 52%)
HSV	hsv(214, 74%, 82%)
CMYK	cmyk(74.2%, 42.1%, 0%, 18%)
CIE-LAB	lab(50.76, 8.97, -51.51)
CIE-LCH	lch(50.76, 52.28, 279.88°)
OKLab	oklab(57.79% -0.0355 -0.1473)
OKLCH	oklch(57.79% 0.152 256.4)
XYZ	xyz(19.8631, 19.0602, 62.9414)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679D1 #D18E36

analogous

#36C6D1 #3679D1 #4136D1

triadic

#3679D1 #D13679 #79D136

tetradic

#3679D1 #D136C6 #D18E36 #36D141

square

#3679D1 #D136C6 #D18E36 #36D141

split-complementary

#3679D1 #D14136 #C6D136

monochromatic

#1A4072 #265CA4 #3679D1 #689ADC #9ABBE8

Accessibility & contrast

On white

4.36

#3679D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3679D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679D1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679D1	#FFFFFF	#000000	##000000
##3679D1	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E81D4

Deuteranopia (green-blind)

#3372CF

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3679d1;
/* rgb */ color: rgb(54, 121, 209);
/* oklch */ color: oklch(57.8% 0.152 256.4);

Tailwind

colors: {
  custom: {
    50: '#819fdf',
    500: '#3679d1',
    950: '#000000',
  },
}

SCSS

$custom: #3679d1;
$custom-light: #819fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3679d1",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 209
  },
  "hsl": {
    "h": 214.065,
    "s": 62.753,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57786,
    "c": 0.15152,
    "h": 256.4
  },
  "luminance": 0.19062
}

Semantic roles & 50–950 ramp

primary

#3679D1

secondary

#D3B68F

accent

#9F42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3679D1

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

Preview Lab → · Contrast checker → · Palette generator →