#3697B7#3697B7

#3697B7 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.4% C 0.100 H 223.9°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3697B7
RGB	rgb(54, 151, 183)
HSL	hsl(195, 54%, 46%)
HSV	hsv(195, 70%, 72%)
CMYK	cmyk(70.5%, 17.5%, 0%, 28.2%)
CIE-LAB	lab(58.35, -17.58, -24.82)
CIE-LCH	lch(58.35, 30.42, 234.68°)
OKLab	oklab(63.37% -0.0722 -0.0694)
OKLCH	oklch(63.37% 0.1 223.9)
XYZ	xyz(21.1317, 26.3340, 48.7598)
Luminance	0.2634 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697B7 #B75636

analogous

#36B797 #3697B7 #3657B7

triadic

#3697B7 #B73697 #97B736

tetradic

#3697B7 #9736B7 #B75636 #57B736

square

#3697B7 #9736B7 #B75636 #57B736

split-complementary

#3697B7 #B73657 #B79736

monochromatic

#1A4958 #287088 #3697B7 #5BB2CF #8BC8DD

Accessibility & contrast

On white

3.35

#3697B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#3697B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697B7

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697B7	#FFFFFF	#000000	##000000
##3697B7	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8594B9

Deuteranopia (green-blind)

#7387B7

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3697b7;
/* rgb */ color: rgb(54, 151, 183);
/* oklch */ color: oklch(63.4% 0.100 223.9);

Tailwind

colors: {
  custom: {
    50: '#7eb5cc',
    500: '#3697b7',
    950: '#000000',
  },
}

SCSS

$custom: #3697b7;
$custom-light: #7eb5cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3697b7",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 183
  },
  "hsl": {
    "h": 194.884,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.63374,
    "c": 0.10012,
    "h": 223.9
  },
  "luminance": 0.26336
}

Semantic roles & 50–950 ramp

primary

#3697B7

secondary

#C79382

accent

#6F4ADE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3697B7

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

Preview Lab → · Contrast checker → · Palette generator →