#3699C9#3699C9

#3699C9 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.7% C 0.115 H 233.9°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3699C9
RGB	rgb(54, 153, 201)
HSL	hsl(200, 58%, 50%)
HSV	hsv(200, 73%, 79%)
CMYK	cmyk(73.1%, 23.9%, 0%, 21.2%)
CIE-LAB	lab(59.69, -12.65, -32.89)
CIE-LCH	lch(59.69, 35.24, 248.96°)
OKLab	oklab(64.69% -0.0676 -0.0926)
OKLCH	oklch(64.69% 0.115 233.9)
XYZ	xyz(23.4510, 27.7811, 59.3734)
Luminance	0.2778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699C9 #C96636

analogous

#36C9B0 #3699C9 #364FC9

triadic

#3699C9 #C93699 #99C936

tetradic

#3699C9 #B036C9 #C96636 #4FC936

square

#3699C9 #B036C9 #C96636 #4FC936

split-complementary

#3699C9 #C9364F #C9B036

monochromatic

#1C5069 #297499 #3699C9 #66B1D6 #96CAE3

Accessibility & contrast

On white

3.20

#3699C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#3699C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699C9

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699C9	#FFFFFF	#000000	##000000
##3699C9	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CB

Deuteranopia (green-blind)

#6E8AC8

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3699c9;
/* rgb */ color: rgb(54, 153, 201);
/* oklch */ color: oklch(64.7% 0.115 233.9);

Tailwind

colors: {
  custom: {
    50: '#80b7d9',
    500: '#3699c9',
    950: '#000000',
  },
}

SCSS

$custom: #3699c9;
$custom-light: #80b7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3699c9",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 201
  },
  "hsl": {
    "h": 199.592,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.64686,
    "c": 0.11463,
    "h": 233.9
  },
  "luminance": 0.27784
}

Semantic roles & 50–950 ramp

primary

#3699C9

secondary

#CEA28C

accent

#7947E1

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3699C9

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

Preview Lab → · Contrast checker → · Palette generator →