#3697D8#3697D8

#3697D8 is a light, vivid cyan. Relative luminance 0.279; OKLCH L 65.0% C 0.131 H 242.4°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3697D8
RGB	rgb(54, 151, 216)
HSL	hsl(204, 68%, 53%)
HSV	hsv(204, 75%, 85%)
CMYK	cmyk(75%, 30.1%, 0%, 15.3%)
CIE-LAB	lab(59.77, -6.34, -41.16)
CIE-LCH	lch(59.77, 41.64, 261.24°)
OKLab	oklab(64.97% -0.0608 -0.1166)
OKLCH	oklch(64.97% 0.131 242.4)
XYZ	xyz(24.9778, 27.8724, 69.0159)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3697D8 #D87736

analogous

#36D8C8 #3697D8 #3646D8

triadic

#3697D8 #D83697 #97D836

tetradic

#3697D8 #C836D8 #D87736 #46D836

square

#3697D8 #C836D8 #D87736 #46D836

split-complementary

#3697D8 #D83646 #D8C836

monochromatic

#18547C #2276AF #3697D8 #69B2E2 #9DCCEC

Accessibility & contrast

On white

3.19

#3697D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#3697D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697D8

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3697D8	#FFFFFF	#000000	##000000
##3697D8	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7998DB

Deuteranopia (green-blind)

#6289D7

Tritanopia (blue-blind)

#00A7AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3697d8;
/* rgb */ color: rgb(54, 151, 216);
/* oklch */ color: oklch(65.0% 0.131 242.4);

Tailwind

colors: {
  custom: {
    50: '#83b5e4',
    500: '#3697d8',
    950: '#000000',
  },
}

SCSS

$custom: #3697d8;
$custom-light: #83b5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3697d8",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 216
  },
  "hsl": {
    "h": 204.074,
    "s": 67.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.64973,
    "c": 0.13147,
    "h": 242.4
  },
  "luminance": 0.27875
}

Semantic roles & 50–950 ramp

primary

#3697D8

secondary

#D8AE92

accent

#833DEA

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1115

muted

#7D8084

Preview Lab

Preview with #3697D8

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

Preview Lab → · Contrast checker → · Palette generator →