#3685D9#3685D9

#3685D9 is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 60.9% C 0.149 H 252.7°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3685D9
RGB	rgb(54, 133, 217)
HSL	hsl(211, 68%, 53%)
HSV	hsv(211, 75%, 85%)
CMYK	cmyk(75.1%, 38.7%, 0%, 14.9%)
CIE-LAB	lab(54.62, 4.57, -49.86)
CIE-LCH	lch(54.62, 50.07, 275.23°)
OKLab	oklab(60.94% -0.0443 -0.1423)
OKLCH	oklch(60.94% 0.149 252.7)
XYZ	xyz(22.4285, 22.5665, 68.8059)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685D9 #D98A36

analogous

#36D7D9 #3685D9 #3836D9

triadic

#3685D9 #D93685 #85D936

tetradic

#3685D9 #D936D7 #D98A36 #36D938

square

#3685D9 #D936D7 #D98A36 #36D938

split-complementary

#3685D9 #D93836 #D7D936

monochromatic

#18497D #2167B0 #3685D9 #69A4E3 #9DC3EC

Accessibility & contrast

On white

3.81

#3685D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#3685D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685D9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685D9	#FFFFFF	#000000	##000000
##3685D9	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8BDC

Deuteranopia (green-blind)

#447CD7

Tritanopia (blue-blind)

#0099A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3685d9;
/* rgb */ color: rgb(54, 133, 217);
/* oklch */ color: oklch(60.9% 0.149 252.7);

Tailwind

colors: {
  custom: {
    50: '#83a8e5',
    500: '#3685d9',
    950: '#000000',
  },
}

SCSS

$custom: #3685d9;
$custom-light: #83a8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3685d9",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 217
  },
  "hsl": {
    "h": 210.92,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.6094,
    "c": 0.149,
    "h": 252.7
  },
  "luminance": 0.22569
}

Semantic roles & 50–950 ramp

primary

#3685D9

secondary

#D9B692

accent

#973DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3685D9

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

Preview Lab → · Contrast checker → · Palette generator →