#3685B9#3685B9

#3685B9 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.2% C 0.110 H 241.2°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3685B9
RGB	rgb(54, 133, 185)
HSL	hsl(204, 55%, 47%)
HSV	hsv(204, 71%, 73%)
CMYK	cmyk(70.8%, 28.1%, 0%, 27.5%)
CIE-LAB	lab(53.02, -6.87, -34.24)
CIE-LCH	lch(53.02, 34.92, 258.66°)
OKLab	oklab(59.15% -0.0532 -0.0967)
OKLCH	oklch(59.15% 0.11 241.2)
XYZ	xyz(18.6624, 21.0600, 48.9710)
Luminance	0.2106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685B9 #B96A36

analogous

#36B9AC #3685B9 #3643B9

triadic

#3685B9 #B93685 #85B936

tetradic

#3685B9 #AC36B9 #B96A36 #43B936

square

#3685B9 #AC36B9 #B96A36 #43B936

split-complementary

#3685B9 #B93643 #B9AC36

monochromatic

#1A415A #28638A #3685B9 #5DA2D0 #8CBDDD

Accessibility & contrast

On white

4.03

#3685B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#3685B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B9

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685B9	#FFFFFF	#000000	##000000
##3685B9	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D86BB

Deuteranopia (green-blind)

#5B79B8

Tritanopia (blue-blind)

#009297

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3685b9;
/* rgb */ color: rgb(54, 133, 185);
/* oklch */ color: oklch(59.2% 0.110 241.2);

Tailwind

colors: {
  custom: {
    50: '#7da8ce',
    500: '#3685b9',
    950: '#000000',
  },
}

SCSS

$custom: #3685b9;
$custom-light: #7da8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3685b9",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 185
  },
  "hsl": {
    "h": 203.817,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5915,
    "c": 0.11035,
    "h": 241.2
  },
  "luminance": 0.21062
}

Semantic roles & 50–950 ramp

primary

#3685B9

secondary

#C89E83

accent

#854ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3685B9

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

Preview Lab → · Contrast checker → · Palette generator →