#3691BE#3691BE

#3691BE is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.3% C 0.108 H 234.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3691BE
RGB	rgb(54, 145, 190)
HSL	hsl(200, 56%, 48%)
HSV	hsv(200, 72%, 75%)
CMYK	cmyk(71.6%, 23.7%, 0%, 25.5%)
CIE-LAB	lab(56.83, -11.96, -31.14)
CIE-LCH	lch(56.83, 33.36, 248.99°)
OKLab	oklab(62.25% -0.0635 -0.0876)
OKLCH	oklch(62.25% 0.108 234)
XYZ	xyz(20.9373, 24.7504, 52.3791)
Luminance	0.2475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3691BE #BE6336

analogous

#36BEA7 #3691BE #364DBE

triadic

#3691BE #BE3691 #91BE36

tetradic

#3691BE #A736BE #BE6336 #4DBE36

square

#3691BE #A736BE #BE6336 #4DBE36

split-complementary

#3691BE #BE364D #BEA736

monochromatic

#1B485F #286D8E #3691BE #60ACD2 #8FC5DF

Accessibility & contrast

On white

3.53

#3691BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3691BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3691BE

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3691BE	#FFFFFF	#000000	##000000
##3691BE	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C0

Deuteranopia (green-blind)

#6983BD

Tritanopia (blue-blind)

#009DA0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3691be;
/* rgb */ color: rgb(54, 145, 190);
/* oklch */ color: oklch(62.3% 0.108 234.0);

Tailwind

colors: {
  custom: {
    50: '#7eb1d1',
    500: '#3691be',
    950: '#000000',
  },
}

SCSS

$custom: #3691be;
$custom-light: #7eb1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3691be",
  "rgb": {
    "r": 54,
    "g": 145,
    "b": 190
  },
  "hsl": {
    "h": 199.853,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.62254,
    "c": 0.1082,
    "h": 234
  },
  "luminance": 0.24753
}

Semantic roles & 50–950 ramp

primary

#3691BE

secondary

#CA9C86

accent

#7A49DF

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3691BE

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

Preview Lab → · Contrast checker → · Palette generator →