#3697B8#3697B8

#3697B8 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.101 H 224.6°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3697B8
RGB	rgb(54, 151, 184)
HSL	hsl(195, 55%, 47%)
HSV	hsv(195, 71%, 72%)
CMYK	cmyk(70.7%, 17.9%, 0%, 27.8%)
CIE-LAB	lab(58.39, -17.26, -25.32)
CIE-LCH	lch(58.39, 30.64, 235.73°)
OKLab	oklab(63.42% -0.0718 -0.0708)
OKLCH	oklch(63.42% 0.101 224.6)
XYZ	xyz(21.2361, 26.3758, 49.3099)
Luminance	0.2638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697B8 #B85736

analogous

#36B898 #3697B8 #3656B8

triadic

#3697B8 #B83697 #97B836

tetradic

#3697B8 #9836B8 #B85736 #56B836

square

#3697B8 #9836B8 #B85736 #56B836

split-complementary

#3697B8 #B83656 #B89836

monochromatic

#1A4959 #287089 #3697B8 #5CB2CF #8BC8DD

Accessibility & contrast

On white

3.35

#3697B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3697B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697B8

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697B8	#FFFFFF	#000000	##000000
##3697B8	1.00	3.35	6.28	6.28
#FFFFFF	3.35	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)

#8594BA

Deuteranopia (green-blind)

#7387B8

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3697b8;
/* rgb */ color: rgb(54, 151, 184);
/* oklch */ color: oklch(63.4% 0.101 224.6);

Tailwind

colors: {
  custom: {
    50: '#7eb5cd',
    500: '#3697b8',
    950: '#000000',
  },
}

SCSS

$custom: #3697b8;
$custom-light: #7eb5cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3697b8",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 184
  },
  "hsl": {
    "h": 195.231,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63419,
    "c": 0.10086,
    "h": 224.6
  },
  "luminance": 0.26378
}

Semantic roles & 50–950 ramp

primary

#3697B8

secondary

#C79482

accent

#6F4ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3697B8

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

Preview Lab → · Contrast checker → · Palette generator →