#3674BC#3674BC

#3674BC is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.129 H 254.0°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3674BC
RGB	rgb(54, 116, 188)
HSL	hsl(212, 55%, 47%)
HSV	hsv(212, 71%, 74%)
CMYK	cmyk(71.3%, 38.3%, 0%, 26.3%)
CIE-LAB	lab(48.14, 4.37, -43.66)
CIE-LCH	lch(48.14, 43.87, 275.71°)
OKLab	oklab(55.36% -0.0357 -0.1243)
OKLCH	oklch(55.36% 0.129 254)
XYZ	xyz(16.8405, 16.9041, 49.9425)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674BC #BC7E36

analogous

#36B7BC #3674BC #3B36BC

triadic

#3674BC #BC3674 #74BC36

tetradic

#3674BC #BC36B7 #BC7E36 #36BC3B

square

#3674BC #BC36B7 #BC7E36 #36BC3B

split-complementary

#3674BC #BC3B36 #B7BC36

monochromatic

#1B395D #28578C #3674BC #5E93D1 #8EB3DF

Accessibility & contrast

On white

4.79

#3674BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3674BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3674BC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674BC	#FFFFFF	#000000	##FFFFFF
##3674BC	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#3F6DBB

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3674bc;
/* rgb */ color: rgb(54, 116, 188);
/* oklch */ color: oklch(55.4% 0.129 254.0);

Tailwind

colors: {
  custom: {
    50: '#7d9bd0',
    500: '#3674bc',
    950: '#000000',
  },
}

SCSS

$custom: #3674bc;
$custom-light: #7d9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3674bc",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 188
  },
  "hsl": {
    "h": 212.239,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55365,
    "c": 0.12936,
    "h": 254
  },
  "luminance": 0.16906
}

Semantic roles & 50–950 ramp

primary

#3674BC

secondary

#C9A985

accent

#9949DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3674BC

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

Preview Lab → · Contrast checker → · Palette generator →