#3679C1#3679C1

#3679C1 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.131 H 252.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3679C1
RGB	rgb(54, 121, 193)
HSL	hsl(211, 56%, 48%)
HSV	hsv(211, 72%, 76%)
CMYK	cmyk(72%, 37.3%, 0%, 24.3%)
CIE-LAB	lab(49.87, 3.12, -43.79)
CIE-LCH	lch(49.87, 43.90, 274.08°)
OKLab	oklab(56.8% -0.0392 -0.1247)
OKLCH	oklch(56.8% 0.131 252.5)
XYZ	xyz(17.9808, 18.3073, 53.0278)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679C1 #C17E36

analogous

#36BEC1 #3679C1 #3836C1

triadic

#3679C1 #C13679 #79C136

tetradic

#3679C1 #C136BE #C17E36 #36C138

square

#3679C1 #C136BE #C17E36 #36C138

split-complementary

#3679C1 #C13836 #BEC136

monochromatic

#1B3D61 #295B91 #3679C1 #6198D3 #91B7E0

Accessibility & contrast

On white

4.50

#3679C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3679C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679C1

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679C1	#FFFFFF	#000000	##000000
##3679C1	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587EC4

Deuteranopia (green-blind)

#4371C0

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3679c1;
/* rgb */ color: rgb(54, 121, 193);
/* oklch */ color: oklch(56.8% 0.131 252.5);

Tailwind

colors: {
  custom: {
    50: '#7e9fd4',
    500: '#3679c1',
    950: '#000000',
  },
}

SCSS

$custom: #3679c1;
$custom-light: #7e9fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3679c1",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 193
  },
  "hsl": {
    "h": 211.079,
    "s": 56.275,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56803,
    "c": 0.13068,
    "h": 252.5
  },
  "luminance": 0.18309
}

Semantic roles & 50–950 ramp

primary

#3679C1

secondary

#CBAB88

accent

#9748E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3679C1

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

Preview Lab → · Contrast checker → · Palette generator →