#3673BC#3673BC

#3673BC is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.1% C 0.130 H 254.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3673BC
RGB	rgb(54, 115, 188)
HSL	hsl(213, 55%, 47%)
HSV	hsv(213, 71%, 74%)
CMYK	cmyk(71.3%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(47.85, 4.98, -44.12)
CIE-LCH	lch(47.85, 44.40, 276.45°)
OKLab	oklab(55.14% -0.0347 -0.1257)
OKLCH	oklch(55.14% 0.13 254.6)
XYZ	xyz(16.7258, 16.6748, 49.9043)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673BC #BC7F36

analogous

#36B6BC #3673BC #3C36BC

triadic

#3673BC #BC3673 #73BC36

tetradic

#3673BC #BC36B6 #BC7F36 #36BC3C

square

#3673BC #BC36B6 #BC7F36 #36BC3C

split-complementary

#3673BC #BC3C36 #B6BC36

monochromatic

#1B395D #28568C #3673BC #5E92D1 #8EB3DF

Accessibility & contrast

On white

4.84

#3673BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3673BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673BC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673BC	#FFFFFF	#000000	##FFFFFF
##3673BC	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#3D6CBB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3673bc;
/* rgb */ color: rgb(54, 115, 188);
/* oklch */ color: oklch(55.1% 0.130 254.6);

Tailwind

colors: {
  custom: {
    50: '#7d9ad0',
    500: '#3673bc',
    950: '#000000',
  },
}

SCSS

$custom: #3673bc;
$custom-light: #7d9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3673bc",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 212.687,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55138,
    "c": 0.13042,
    "h": 254.6
  },
  "luminance": 0.16677
}

Semantic roles & 50–950 ramp

primary

#3673BC

secondary

#C9AA85

accent

#9B49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3673BC

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

Preview Lab → · Contrast checker → · Palette generator →