#3673BB#3673BB

#3673BB is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.1% C 0.129 H 254.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3673BB
RGB	rgb(54, 115, 187)
HSL	hsl(212, 55%, 47%)
HSV	hsv(212, 71%, 73%)
CMYK	cmyk(71.1%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(47.79, 4.62, -43.63)
CIE-LCH	lch(47.79, 43.87, 276.05°)
OKLab	oklab(55.08% -0.035 -0.1243)
OKLCH	oklch(55.08% 0.129 254.3)
XYZ	xyz(16.6184, 16.6318, 49.3385)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673BB #BB7E36

analogous

#36B6BB #3673BB #3B36BB

triadic

#3673BB #BB3673 #73BB36

tetradic

#3673BB #BB36B6 #BB7E36 #36BB3B

square

#3673BB #BB36B6 #BB7E36 #36BB3B

split-complementary

#3673BB #BB3B36 #B6BB36

monochromatic

#1B395C #28568C #3673BB #5E92D0 #8DB2DE

Accessibility & contrast

On white

4.85

#3673BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3673BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673BB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673BB	#FFFFFF	#000000	##FFFFFF
##3673BB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BE

Deuteranopia (green-blind)

#3E6CBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3673bb;
/* rgb */ color: rgb(54, 115, 187);
/* oklch */ color: oklch(55.1% 0.129 254.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3673bb",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 212.481,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55077,
    "c": 0.12911,
    "h": 254.3
  },
  "luminance": 0.16634
}

Semantic roles & 50–950 ramp

primary

#3673BB

secondary

#C9A984

accent

#9A49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3673BB

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

Preview Lab → · Contrast checker → · Palette generator →