#3699C3#3699C3

#3699C3 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.109 H 230.3°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#3699C3
RGB	rgb(54, 153, 195)
HSL	hsl(198, 57%, 49%)
HSV	hsv(198, 72%, 76%)
CMYK	cmyk(72.3%, 21.5%, 0%, 23.5%)
CIE-LAB	lab(59.44, -14.68, -29.92)
CIE-LCH	lch(59.44, 33.32, 243.86°)
OKLab	oklab(64.4% -0.0697 -0.084)
OKLCH	oklch(64.4% 0.109 230.3)
XYZ	xyz(22.7589, 27.5042, 55.7286)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699C3 #C36036

analogous

#36C3A7 #3699C3 #3653C3

triadic

#3699C3 #C33699 #99C336

tetradic

#3699C3 #A736C3 #C36036 #53C336

square

#3699C3 #A736C3 #C36036 #53C336

split-complementary

#3699C3 #C33653 #C3A736

monochromatic

#1B4E63 #297393 #3699C3 #63B2D4 #92CAE1

Accessibility & contrast

On white

3.23

#3699C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#3699C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699C3

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699C3	#FFFFFF	#000000	##000000
##3699C3	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8497C5

Deuteranopia (green-blind)

#7089C2

Tritanopia (blue-blind)

#00A5A7

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3699c3;
/* rgb */ color: rgb(54, 153, 195);
/* oklch */ color: oklch(64.4% 0.109 230.3);

Tailwind

colors: {
  custom: {
    50: '#7fb7d5',
    500: '#3699c3',
    950: '#000000',
  },
}

SCSS

$custom: #3699c3;
$custom-light: #7fb7d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3699c3",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 195
  },
  "hsl": {
    "h": 197.872,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64402,
    "c": 0.10916,
    "h": 230.3
  },
  "luminance": 0.27507
}

Semantic roles & 50–950 ramp

primary

#3699C3

secondary

#CC9D89

accent

#7548E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #3699C3

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

Preview Lab → · Contrast checker → · Palette generator →