#3699BC#3699BC

#3699BC is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.1% C 0.103 H 225.6°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3699BC
RGB	rgb(54, 153, 188)
HSL	hsl(196, 55%, 47%)
HSV	hsv(196, 71%, 74%)
CMYK	cmyk(71.3%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(59.15, -17.01, -26.41)
CIE-LCH	lch(59.15, 31.41, 237.21°)
OKLab	oklab(64.08% -0.0723 -0.0739)
OKLCH	oklch(64.08% 0.103 225.6)
XYZ	xyz(21.9860, 27.1951, 51.6577)
Luminance	0.2720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699BC #BC5936

analogous

#36BC9C #3699BC #3656BC

triadic

#3699BC #BC3699 #99BC36

tetradic

#3699BC #9C36BC #BC5936 #56BC36

square

#3699BC #9C36BC #BC5936 #56BC36

split-complementary

#3699BC #BC3656 #BC9C36

monochromatic

#1B4C5D #28728C #3699BC #5EB3D1 #8EC9DF

Accessibility & contrast

On white

3.26

#3699BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#3699BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699BC

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699BC	#FFFFFF	#000000	##000000
##3699BC	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BE

Deuteranopia (green-blind)

#7489BC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3699bc;
/* rgb */ color: rgb(54, 153, 188);
/* oklch */ color: oklch(64.1% 0.103 225.6);

Tailwind

colors: {
  custom: {
    50: '#7eb7d0',
    500: '#3699bc',
    950: '#000000',
  },
}

SCSS

$custom: #3699bc;
$custom-light: #7eb7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3699bc",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 195.672,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64081,
    "c": 0.10341,
    "h": 225.6
  },
  "luminance": 0.27198
}

Semantic roles & 50–950 ramp

primary

#3699BC

secondary

#C99785

accent

#7049DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3699BC

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

Preview Lab → · Contrast checker → · Palette generator →