#3699BE#3699BE

#3699BE is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.2% C 0.105 H 227.0°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3699BE
RGB	rgb(54, 153, 190)
HSL	hsl(196, 56%, 48%)
HSV	hsv(196, 72%, 75%)
CMYK	cmyk(71.6%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(59.23, -16.35, -27.41)
CIE-LCH	lch(59.23, 31.92, 239.19°)
OKLab	oklab(64.17% -0.0715 -0.0768)
OKLCH	oklch(64.17% 0.105 227)
XYZ	xyz(22.2030, 27.2819, 52.8010)
Luminance	0.2728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699BE #BE5B36

analogous

#36BE9F #3699BE #3655BE

triadic

#3699BE #BE3699 #99BE36

tetradic

#3699BE #9F36BE #BE5B36 #55BE36

square

#3699BE #9F36BE #BE5B36 #55BE36

split-complementary

#3699BE #BE3655 #BE9F36

monochromatic

#1B4C5F #28738E #3699BE #60B3D2 #8FC9DF

Accessibility & contrast

On white

3.25

#3699BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#3699BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699BE

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699BE	#FFFFFF	#000000	##000000
##3699BE	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8596C0

Deuteranopia (green-blind)

#7389BE

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3699be;
/* rgb */ color: rgb(54, 153, 190);
/* oklch */ color: oklch(64.2% 0.105 227.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3699be",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 196.324,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64172,
    "c": 0.10498,
    "h": 227
  },
  "luminance": 0.27284
}

Semantic roles & 50–950 ramp

primary

#3699BE

secondary

#CA9886

accent

#7249DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3699BE

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

Preview Lab → · Contrast checker → · Palette generator →