#3699BD#3699BD

#3699BD is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.1% C 0.104 H 226.3°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3699BD
RGB	rgb(54, 153, 189)
HSL	hsl(196, 56%, 48%)
HSV	hsv(196, 71%, 74%)
CMYK	cmyk(71.4%, 19%, 0%, 25.9%)
CIE-LAB	lab(59.19, -16.68, -26.91)
CIE-LCH	lch(59.19, 31.66, 238.21°)
OKLab	oklab(64.13% -0.0719 -0.0754)
OKLCH	oklch(64.13% 0.104 226.3)
XYZ	xyz(22.0941, 27.2383, 52.2273)
Luminance	0.2724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699BD #BD5A36

analogous

#36BD9E #3699BD #3655BD

triadic

#3699BD #BD3699 #99BD36

tetradic

#3699BD #9E36BD #BD5A36 #55BD36

square

#3699BD #9E36BD #BD5A36 #55BD36

split-complementary

#3699BD #BD3655 #BD9E36

monochromatic

#1B4C5E #28728D #3699BD #5FB3D1 #8FC9DF

Accessibility & contrast

On white

3.26

#3699BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#3699BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699BD

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699BD	#FFFFFF	#000000	##000000
##3699BD	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BF

Deuteranopia (green-blind)

#7389BD

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3699bd;
/* rgb */ color: rgb(54, 153, 189);
/* oklch */ color: oklch(64.1% 0.104 226.3);

Tailwind

colors: {
  custom: {
    50: '#7fb7d1',
    500: '#3699bd',
    950: '#000000',
  },
}

SCSS

$custom: #3699bd;
$custom-light: #7fb7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3699bd",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 189
  },
  "hsl": {
    "h": 196,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64127,
    "c": 0.10419,
    "h": 226.3
  },
  "luminance": 0.27241
}

Semantic roles & 50–950 ramp

primary

#3699BD

secondary

#C99885

accent

#7149DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3699BD

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

Preview Lab → · Contrast checker → · Palette generator →