#3697B9#3697B9

#3697B9 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.5% C 0.102 H 225.4°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3697B9
RGB	rgb(54, 151, 185)
HSL	hsl(196, 55%, 47%)
HSV	hsv(196, 71%, 73%)
CMYK	cmyk(70.8%, 18.4%, 0%, 27.5%)
CIE-LAB	lab(58.43, -16.93, -25.83)
CIE-LCH	lch(58.43, 30.88, 236.76°)
OKLab	oklab(63.46% -0.0714 -0.0723)
OKLCH	oklch(63.46% 0.102 225.4)
XYZ	xyz(21.3413, 26.4178, 49.8639)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697B9 #B95836

analogous

#36B99A #3697B9 #3655B9

triadic

#3697B9 #B93697 #97B936

tetradic

#3697B9 #9A36B9 #B95836 #55B936

square

#3697B9 #9A36B9 #B95836 #55B936

split-complementary

#3697B9 #B93655 #B99A36

monochromatic

#1A4A5A #28708A #3697B9 #5DB2D0 #8CC8DD

Accessibility & contrast

On white

3.34

#3697B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3697B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697B9

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697B9	#FFFFFF	#000000	##000000
##3697B9	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BB

Deuteranopia (green-blind)

#7287B9

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3697b9;
/* rgb */ color: rgb(54, 151, 185);
/* oklch */ color: oklch(63.5% 0.102 225.4);

Tailwind

colors: {
  custom: {
    50: '#7eb5ce',
    500: '#3697b9',
    950: '#000000',
  },
}

SCSS

$custom: #3697b9;
$custom-light: #7eb5ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3697b9",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 185
  },
  "hsl": {
    "h": 195.573,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.63464,
    "c": 0.10161,
    "h": 225.4
  },
  "luminance": 0.2642
}

Semantic roles & 50–950 ramp

primary

#3697B9

secondary

#C89583

accent

#704ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3697B9

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

Preview Lab → · Contrast checker → · Palette generator →