#3683BE#3683BE

#3683BE is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.118 H 245.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3683BE
RGB	rgb(54, 131, 190)
HSL	hsl(206, 56%, 48%)
HSV	hsv(206, 72%, 75%)
CMYK	cmyk(71.6%, 31.1%, 0%, 25.5%)
CIE-LAB	lab(52.66, -3.94, -37.67)
CIE-LCH	lch(52.66, 37.87, 264.02°)
OKLab	oklab(58.94% -0.0497 -0.1066)
OKLCH	oklch(58.94% 0.118 245)
XYZ	xyz(18.9283, 20.7325, 51.7094)
Luminance	0.2074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683BE #BE7136

analogous

#36BEB5 #3683BE #363FBE

triadic

#3683BE #BE3683 #83BE36

tetradic

#3683BE #B536BE #BE7136 #3FBE36

square

#3683BE #B536BE #BE7136 #3FBE36

split-complementary

#3683BE #BE363F #BEB536

monochromatic

#1B415F #28628E #3683BE #60A0D2 #8FBCDF

Accessibility & contrast

On white

4.08

#3683BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3683BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683BE

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683BE	#FFFFFF	#000000	##000000
##3683BE	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6885C1

Deuteranopia (green-blind)

#5578BD

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3683be;
/* rgb */ color: rgb(54, 131, 190);
/* oklch */ color: oklch(58.9% 0.118 245.0);

Tailwind

colors: {
  custom: {
    50: '#7ea6d2',
    500: '#3683be',
    950: '#000000',
  },
}

SCSS

$custom: #3683be;
$custom-light: #7ea6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3683be",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 190
  },
  "hsl": {
    "h": 206.029,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58944,
    "c": 0.11764,
    "h": 245
  },
  "luminance": 0.20735
}

Semantic roles & 50–950 ramp

primary

#3683BE

secondary

#CAA386

accent

#8A49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3683BE

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

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