#3699B2#3699B2

#3699B2 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.6% C 0.097 H 218.0°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3699B2
RGB	rgb(54, 153, 178)
HSL	hsl(192, 53%, 45%)
HSV	hsv(192, 70%, 70%)
CMYK	cmyk(69.7%, 14%, 0%, 30.2%)
CIE-LAB	lab(58.77, -20.27, -21.35)
CIE-LCH	lch(58.77, 29.44, 226.48°)
OKLab	oklab(63.65% -0.0762 -0.0595)
OKLCH	oklch(63.65% 0.097 218)
XYZ	xyz(20.9451, 26.7787, 46.1758)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3699B2 #B24F36

analogous

#36B28D #3699B2 #365BB2

triadic

#3699B2 #B23699 #99B236

tetradic

#3699B2 #8D36B2 #B24F36 #5BB236

square

#3699B2 #8D36B2 #B24F36 #5BB236

split-complementary

#3699B2 #B2365B #B28D36

monochromatic

#1A4854 #287183 #3699B2 #59B5CD #88CADB

Accessibility & contrast

On white

3.30

#3699B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#3699B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699B2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3699B2	#FFFFFF	#000000	##000000
##3699B2	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8995B3

Deuteranopia (green-blind)

#7888B2

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3699b2;
/* rgb */ color: rgb(54, 153, 178);
/* oklch */ color: oklch(63.6% 0.097 218.0);

Tailwind

colors: {
  custom: {
    50: '#7db7c9',
    500: '#3699b2',
    950: '#000000',
  },
}

SCSS

$custom: #3699b2;
$custom-light: #7db7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3699b2",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 178
  },
  "hsl": {
    "h": 192.097,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.63645,
    "c": 0.09668,
    "h": 218
  },
  "luminance": 0.26781
}

Semantic roles & 50–950 ramp

primary

#3699B2

secondary

#C58D7F

accent

#684BDD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3699B2

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

Preview Lab → · Contrast checker → · Palette generator →