#3699C0#3699C0

#3699C0 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.107 H 228.4°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3699C0
RGB	rgb(54, 153, 192)
HSL	hsl(197, 56%, 48%)
HSV	hsv(197, 72%, 75%)
CMYK	cmyk(71.9%, 20.3%, 0%, 24.7%)
CIE-LAB	lab(59.32, -15.68, -28.42)
CIE-LCH	lch(59.32, 32.46, 241.11°)
OKLab	oklab(64.26% -0.0708 -0.0797)
OKLCH	oklch(64.26% 0.107 228.4)
XYZ	xyz(22.4231, 27.3699, 53.9601)
Luminance	0.2737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699C0 #C05D36

analogous

#36C0A2 #3699C0 #3654C0

triadic

#3699C0 #C03699 #99C036

tetradic

#3699C0 #A236C0 #C05D36 #54C036

square

#3699C0 #A236C0 #C05D36 #54C036

split-complementary

#3699C0 #C03654 #C0A236

monochromatic

#1B4D60 #297390 #3699C0 #61B2D2 #90C9E0

Accessibility & contrast

On white

3.24

#3699C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#3699C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699C0

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699C0	#FFFFFF	#000000	##000000
##3699C0	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8596C2

Deuteranopia (green-blind)

#7289BF

Tritanopia (blue-blind)

#00A4A6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3699c0;
/* rgb */ color: rgb(54, 153, 192);
/* oklch */ color: oklch(64.3% 0.107 228.4);

Tailwind

colors: {
  custom: {
    50: '#7fb7d3',
    500: '#3699c0',
    950: '#000000',
  },
}

SCSS

$custom: #3699c0;
$custom-light: #7fb7d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3699c0",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 192
  },
  "hsl": {
    "h": 196.957,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64263,
    "c": 0.1066,
    "h": 228.4
  },
  "luminance": 0.27373
}

Semantic roles & 50–950 ramp

primary

#3699C0

secondary

#CB9A87

accent

#7348DF

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3699C0

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

Preview Lab → · Contrast checker → · Palette generator →