#3673BE#3673BE

#3673BE is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.133 H 255.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3673BE
RGB	rgb(54, 115, 190)
HSL	hsl(213, 56%, 48%)
HSV	hsv(213, 72%, 75%)
CMYK	cmyk(71.6%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(47.96, 5.72, -45.10)
CIE-LCH	lch(47.96, 45.46, 277.22°)
OKLab	oklab(55.26% -0.0343 -0.1286)
OKLCH	oklch(55.26% 0.133 255.1)
XYZ	xyz(16.9429, 16.7616, 51.0476)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673BE #BE8136

analogous

#36B7BE #3673BE #3D36BE

triadic

#3673BE #BE3673 #73BE36

tetradic

#3673BE #BE36B7 #BE8136 #36BE3D

square

#3673BE #BE36B7 #BE8136 #36BE3D

split-complementary

#3673BE #BE3D36 #B7BE36

monochromatic

#1B395F #28568E #3673BE #6093D2 #8FB3DF

Accessibility & contrast

On white

4.82

#3673BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3673BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673BE

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673BE	#FFFFFF	#000000	##FFFFFF
##3673BE	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5079C1

Deuteranopia (green-blind)

#3B6CBC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3673be;
/* rgb */ color: rgb(54, 115, 190);
/* oklch */ color: oklch(55.3% 0.133 255.1);

Tailwind

colors: {
  custom: {
    50: '#7e9ad2',
    500: '#3673be',
    950: '#000000',
  },
}

SCSS

$custom: #3673be;
$custom-light: #7e9ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3673be",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 213.088,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5526,
    "c": 0.13307,
    "h": 255.1
  },
  "luminance": 0.16763
}

Semantic roles & 50–950 ramp

primary

#3673BE

secondary

#CAAB86

accent

#9C49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3673BE

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

Preview Lab → · Contrast checker → · Palette generator →