#3685BC#3685BC

#3685BC is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.3% C 0.114 H 242.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3685BC
RGB	rgb(54, 133, 188)
HSL	hsl(205, 55%, 47%)
HSV	hsv(205, 71%, 74%)
CMYK	cmyk(71.3%, 29.3%, 0%, 26.3%)
CIE-LAB	lab(53.15, -5.82, -35.74)
CIE-LCH	lch(53.15, 36.21, 260.76°)
OKLab	oklab(59.31% -0.0523 -0.101)
OKLCH	oklch(59.31% 0.114 242.6)
XYZ	xyz(18.9825, 21.1881, 50.6565)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685BC #BC6D36

analogous

#36BCB0 #3685BC #3642BC

triadic

#3685BC #BC3685 #85BC36

tetradic

#3685BC #B036BC #BC6D36 #42BC36

square

#3685BC #B036BC #BC6D36 #42BC36

split-complementary

#3685BC #BC3642 #BCB036

monochromatic

#1B425D #28638C #3685BC #5EA2D1 #8EBDDF

Accessibility & contrast

On white

4.01

#3685BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3685BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685BC

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685BC	#FFFFFF	#000000	##000000
##3685BC	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C86BE

Deuteranopia (green-blind)

#5979BB

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3685bc;
/* rgb */ color: rgb(54, 133, 188);
/* oklch */ color: oklch(59.3% 0.114 242.6);

Tailwind

colors: {
  custom: {
    50: '#7da8d0',
    500: '#3685bc',
    950: '#000000',
  },
}

SCSS

$custom: #3685bc;
$custom-light: #7da8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3685bc",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 188
  },
  "hsl": {
    "h": 204.627,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59307,
    "c": 0.11373,
    "h": 242.6
  },
  "luminance": 0.2119
}

Semantic roles & 50–950 ramp

primary

#3685BC

secondary

#C9A185

accent

#8749DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3685BC

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

Preview Lab → · Contrast checker → · Palette generator →