#3697BC#3697BC

#3697BC is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.6% C 0.104 H 227.5°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3697BC
RGB	rgb(54, 151, 188)
HSL	hsl(197, 55%, 47%)
HSV	hsv(197, 71%, 74%)
CMYK	cmyk(71.3%, 19.7%, 0%, 26.3%)
CIE-LAB	lab(58.55, -15.93, -27.34)
CIE-LCH	lch(58.55, 31.64, 239.77°)
OKLab	oklab(63.6% -0.0703 -0.0766)
OKLCH	oklch(63.6% 0.104 227.5)
XYZ	xyz(21.6614, 26.5459, 51.5494)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697BC #BC5B36

analogous

#36BC9E #3697BC #3654BC

triadic

#3697BC #BC3697 #97BC36

tetradic

#3697BC #9E36BC #BC5B36 #54BC36

square

#3697BC #9E36BC #BC5B36 #54BC36

split-complementary

#3697BC #BC3654 #BC9E36

monochromatic

#1B4B5D #28718C #3697BC #5EB1D1 #8EC8DF

Accessibility & contrast

On white

3.33

#3697BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#3697BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697BC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697BC	#FFFFFF	#000000	##000000
##3697BC	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8394BE

Deuteranopia (green-blind)

#7187BC

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3697bc;
/* rgb */ color: rgb(54, 151, 188);
/* oklch */ color: oklch(63.6% 0.104 227.5);

Tailwind

colors: {
  custom: {
    50: '#7eb5d0',
    500: '#3697bc',
    950: '#000000',
  },
}

SCSS

$custom: #3697bc;
$custom-light: #7eb5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3697bc",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 188
  },
  "hsl": {
    "h": 196.567,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.63599,
    "c": 0.10397,
    "h": 227.5
  },
  "luminance": 0.26548
}

Semantic roles & 50–950 ramp

primary

#3697BC

secondary

#C99885

accent

#7249DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3697BC

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

Preview Lab → · Contrast checker → · Palette generator →